Bulletin 331AA D VA N C E D T E C H N O L O G Y IN I N D U C E D D R A F T, C O U N T E R F L O W C O O L I N G T O W E R S 32 to 4120 NOMINAL TONS (139 TO 18,114kW) TECHNOLOGY FOR THE F U T U R E ...A VA I L A B L E T O D AY ! T H E A D VA N C E D T E C H N O L O G Y D E SI G N P R O V I D I N G EVAPCO, Inc., continues its dedication to advancements in induced draft, counterflow cooling tower technology and easy maintenance with the Advanced Technology Cooling Tower...The EVAPCO AT! The AT is the result of decades of engineering success based on easy maintenance, durable construction and a highly efficient design. The AT brings marquee features that make it the better choice in cooling towers. These features are presented in this exclusive AT Marketing brochure. Totally Enclosed Fan Motors • Motors positioned for external access. • Assures long life. • Motor location allows for easy accessibility and serviceability. • Five (5) Year motor warranty. S ince its founding in 1976, EVAPCO, Inc. has become a world-wide leader in supplying quality cooling equipment for thousands of customers in both the commercial and industrial markets. EVAPCO’s success has been the result of a continual commitment to product improvement, quality workmanship and a dedication to providing unparalleled service. EVAPCO Power-Band Drive System • The AT Cooling Tower features the highly successful, easy maintenance, heavy duty Power-Band Drive System. • Standard heavy-duty pillow block bearings with a minimum L10 life of 75,000 hours. • Extended lube lines. • External motor/belt adjustment. • Aluminum Alloy Sheaves, Solid-Back Multi-Groove Power-Band Belts and Totally Enclosed motors are standard. • Five (5) Year Motor and Drive Warranty. NEW! Louver Access Door • Hinged access panel with quick release mechanism • Allows easy access to perform routine maintenance and inspection of the makeup assembly, strainer screen and basin • Available on models with 5 ft. and 6 ft. tall louver sizes Our emphasis on research and development has led to many product innovations – a hallmark of EVAPCO through the years. NEW! Easy Field Assembly • A new field assembly seam design which ensures easier assembly and reduced potential for field seam leaks • Self-guided channels guide the fan casing section into position improving the quality of the field seam • Eliminates up to 66% of fasteners The ongoing R & D Program enables EVAPCO to provide the most advanced products in the industry – technology for the future, available today. With 16 facilities in seven countries and over 170 sales offices in 42 countries world-wide, EVAPCO is ready to assist in all your equipment needs. EVAPCOAT Corrosion Protection System • G-235 Galvanized Steel Construction and Stainless Steel Strainers–EVAPCO set the standard with 2.35oz. of zinc per square foot of surface area. • Another EVAPCO standard–the stainless steel suction strainer eliminates excessive wear and corrosion. • Non-corrosive PVC Water Distribution System, Drift Eliminators and Inlet Louvers. • This system provides maximum corrosion protection as standard. ©2008 EVAPCO, INC. 2 † Mark owned by the Cooling Technology Institute † E G EASIER SOLUTIONS AND BETTER CHOICES AT Available in 55 Cross Sections and a capacity range of 32 to 4120 Nominal Tons (139 to 18,114 kW)! The AT has a model for every application. If there is an application for which the standard catalog product line does not work, EVAPCO will make a cooling tower that will fit your requirement! Consult your local EVAPCO Representative or the factory for all your cooling tower needs. Optional Motor Davit and Working Platform CTI Certified-Standard 201 • Independent Certification. • Eliminates necessity for costly field performance tests. Motor Davit • Motor davit and bracket option for easy motor removal. • Also available for Gearbox removal. Platform • Platform and ladder arrangement available as an option. • Provides additional working surface for the service mechanic. Exclusive 5 Year Motor & Drive Warranty • Covers the complete drive system, including the motor. • Covers all drive components on belt or gear drive units. • Standard on all AT Models. • Upgraded 5 year Complete Product warranty on models with optional stainless steel construction. Smooth Flow Fan • Soft-connect blade to hub design. • VFD-friendly • Eliminates critical blade passing frequencies at any speed. (Not available on 4 ft. wide models) EVAPCO unequivocally guarantees the thermal performance of the AT cooling tower product line. NEW! EvapJet™ Nozzle Water Distribution System • Non-corrosive PVC construction with new EvapJet™ nozzles. • Large orifice nozzles prevent clogging and are threaded for easy removal and positive positioning. • 66% fewer nozzles! • System branches have threaded end caps to assist with debris removal. Clean Pan Sloped Basin Design Quick Connect Piping System • All inlet and outlet piping connections are beveled for welding and grooved to accept a mechanical coupling device as standard. • Facilitates easy pipe connections for quick installation. • Flanged connections are available as an option. (See page 10 Optional Equipment) 3 • Designed to completely drain the cold water basin. • Helps prevent buildup of sediment and biological film. • Eliminates standing water after drain down. (See details of design on page 6) 631580481 4 ** U. such as parking lots. Patent No. Consult your EVAPCO representative for further details. The cooled water drains to the basin at the bottom of the tower and is returned to the heat source. since the warm humid air is directed up and away from the unit. The warm moist air is drawn to the top of the cooling tower by the fan and discharged to the atmosphere. The low pressure drop results in lower fan energy consumption. the AT Cooling Tower saves valuable water and water treatment chemicals. Simultaneously. the structural integrity of the fill is greatly enhanced. thereby reducing the potential of algae formation. EVAPCO’s patented louver design completely encloses the basin area. reduces the chance of air recirculation.E S A S Y O L U T I O N S . The drift eliminators are constructed of an inert polyvinyl chloride (PVC) plastic material which effectively eliminates corrosion of these vital components. counterflow technology–the most efficient in the industry and the best design for operation in a freezing climate.S. Water treatment and maintenance costs are substantially reduced. Special drainage tips allow high water loadings without excessive pressure drop. In uni-planar louver systems used by other manufacturers. Patented** EVAPAK® Fill The patented EVAPAK® fill design used in the AT Cooling Tower is specially designed to induce highly turbulent mixing of the air and water for superior heat transfer. the louver design has a low pressure drop. The fill selected for the AT Cooling Tower has excellent fire resistant qualities.001% of the recirculating water rate. With the exclusive EVAPCO bi-planar louver system. The AT can be located in areas where minimum water carryover is critical. Because of the unique way in which the crossfluted sheets are bonded together.S. and the bottom support of the fill section. which reduces the operating costs of the cooling tower. The counterflow design provides the AT Cooling Tower with inherently better operational and maintenance features. The water is distributed over the wet deck fill by means of large orifice nozzles. and is formulated to withstand water temperatures of 130˚F (55˚C). Superior Air Inlet Louver and Screen Design Sunlight Air Intake Debris Splashout The air inlet louver screens on the AT are constructed of corrosion-free PVC. Principle of Operation Hot Saturated Discharge Air Hot Water In Cool Dry Entering Air Cooled Water Out Warm water from the heat source is pumped to the water distribution system at the top of the tower. With a low drift rate. Patent No. will not rot or decay. While effectively containing the recirculating water and blocking sunlight. They are a bi-planar design that eliminates splashout and reduces the potential for algae formation inside the tower. the water droplets are captured on the inward sloping pass. A small portion of the water is evaporated which removes the heat from the remaining water. Patented* Efficient Drift Eliminators An extremely efficient drift eliminator system is standard on the AT Cooling Tower. B E T T E R C H O I C E S ! D E S I G N A D VA N TA G E S The Advanced Technology Design The AT Cooling Tower product line is an Advanced Technology design which utilizes induced draft. They are assembled in sections to facilitate easy removal for inspection of the water distribution system. * U. air is drawn in through the air inlet louvers at the base of the tower and travels upward through the wet deck fill opposite the water flow. A higher temperature fill is available for water temperatures exceeding 130˚F (55˚C). For detailed layout information please consult EVAPCO’s Equipment Layout Guidelines Bulletin 311. The fill is constructed of inert polyvinyl chloride. (PVC). EVAPCO’s inlet louver screens are of a ‘Sight Tight’ design. In addition to eliminating splash out. 5124087 . These features are described below. The vertical air discharge of the AT design and the distance between the discharge air and fresh air intakes. especially when the fans are shut off. eliminating splashout and the problems associated with it. circulating water droplets tend to splashout. making the fill usable as a working platform. Direct sunlight is blocked from the water inside the cooling tower. AT Cooling Tower fill has a flame spread rating of 5 per ASTM-E84-81a. The system removes entrained water droplets from the air stream to limit the drift rate to less than 0. and protected from freezing winds thus inhibiting ice formation on the fill section. The counterflow design of the AT Cooling Tower fill section reduces the chance of ice formation and with bottom support. The wide orifice nozzles with anti-sludge ring used in the AT water distribution system helps prevent clogging. They also have an anti-sludge ring extending into the headers to prevent sediment from building up in the diffuser opening. The water diffusers have a 1 inch diameter (25mm) opening and are practically impossible to clog. The actual spray pressure will be shown New EvapJet nozzle compared on the certified drawings which are to previous EVAPCO nozzles prepared for each unit. the spray branches have threaded end caps to allow easy debris removal. further reducing the cost of tower installation. Fast. The wet deck surface is totally encased.E A S Y S O L U T I O N S . B E T T E R C H O I C E S ! D E S I G N A D VA N TA G E S Reduced Piping Costs Each cell of the AT Cooling Tower is furnished with one inlet and one outlet piping connection. reducing the maintenance costs of the water distribution system. The piping is easily removable for cleaning. Pressurized Water Distribution System The water distribution system is made of schedule 40 PVC pipe and EvapJet ABS plastic water diffusers for corrosion protection in this key area. Factory trained mechanics and EVAPCO’s strict quality control and inspection procedures guarantee the quality of every unit shipped. In addition. EVAPCO’s controlled factory environment ensures fast on-time shipments. The spray pressure for all AT Cooling Towers is between 1 and 6 psig (7 and 42 kPa) at the inlet header. The water distribution system is pressurized and self balancing. eliminates fill collapse should ice form. The even temperature gradient of the counterflow fill design makes the AT Cooling Tower the ideal unit for operation in freezing climates. Since field balancing is not required on the AT. expert in building cooling towers. Optimum Design for Freezing Climates The counterflow fill design used in the AT Cooling Tower is well suited for winter operation. the need for flow balancing valves is eliminated. This design reduces the amount of external piping and thereby lowers the installed cost of the cooling tower. On-Time Shipments The AT is a completely factory assembled cooling tower manufactured by a dedicated professional workforce. allowing the AT to be available WHEN THE CUSTOMER WANTS IT! 5 . B E T T E R C H O I C E S ! M A I N T E N A N C E A D VA N TA G E S The Advanced Technology Easy Maintenance Basin Design The cold water basin is the most important area of a cooling tower to maintain. Easy. Note: on 4' wide units. The louver access door is standard on models with 5 and 6 ft. the retaining bracket lifts away from the louver frame. the pan is sloped without the step Stainless Steel Strainers The EVAPCO standard for many years. the stainless steel strainer is one component of the cooling tower subject to excessive wear and corrosion. • Design allows quick removal of louvers. dirt and debris will collect in the basin and must be cleaned out on a regular basis. This open basin design enables the AT basin to be easily cleaned. tall louver sizes. 6 . strainer screen and basin without removing an entire inlet louver. The basin features the following: Easy Access The cold water basin section is easily accessible from ground level by simply loosening the (2) two Quick Release Fasteners on the inlet louver assemblies surrounding the cooling tower and lifting out the lightweight louver. • Louver fastener remains on the unit–eliminating the possibility of missing hardware. EVAPCO’s AT basin section is designed to allow quick and easy access—promoting maintenance of the cold water basin. biological films and minimizes standing water. • Louver fastener is large and easy to release. This “Clean Pan” design allows the water to be completely drained from the basin. The cooling tower water will drain from the upper section to the depressed lower pan section where the dirt and debris can be easily flushed out through the drain. all AT models can be equipped with an optional louver access door. Louver Access Door (optional) To aid in basin maintenance.2m) above the basin floor. this component will last the life of the cooling tower. The bottom of the fill section is a minimum of four (4) feet (1. As a result of the evaporation process in a cooling tower. Clean Pan Basin Design The AT features a completely sloped basin from the upper to lower pan section. The basin can be accessed from all (4) four sides of the cooling tower. With stainless steel construction. This design helps prevent buildup of sedimentary deposits. Removable Air Inlet Louvers with Quick Release Fasteners The AT features a Quick Release Fastener design consisting of (2) two large thumbscrews and a retaining bracket system. allowing the louver to be removed while the retaining bracket and thumbscrews stay on the cooling tower. This feature allows easy access to perform routine maintenance and inspection of the makeup assembly. By loosening the thumbscrews.E A S Y S O L U T I O N S . fan motor is mounted on an adjustable base which is supported by two heavy duty galvanized steel pipes. 7 .A. fan motor is mounted on the outside on these models and is protected from the weather by a cover which swings away for maintenance. A large hinged access door is located on the side of the unit for easy access to the fan drive system. gear reducers. The bearing lubrication lines have been extended to the exterior casing and are located by the access door. Models AT 110-112 through AT 428-1248 Motor Mount. There is no need to stand inside the cold water basin to service the bearings. thus making bearing lubrication easy. belts. The bearings can also be lubricated from the side of the unit. In addition. since all periodic maintenance can be safely performed from the side of the AT. Bearing lubrication fittings are extended to the side of the unit inside the access door to allow easy application of the bearing lubricant. The T. fan motor is located inside the fan casing on the large AT Cooling Tower.E. an optional motor davit is available.F. The innovative motor base features a unique locking mechanism for a positive belt adjustment and is also used to adjust the belt tension if a wrench is not available.O. This external location allows for easy servicing of the bearings and is another important advantage of EVAPCO equipment. Sloped access ladders and working platforms are available as an option to facilitate maintenance. The belt is adjusted by tightening an allthread which runs through the motor base. The T. The motor base is designed to swing completely to the outside of the unit through a very large hinged (14 square feet) (1. The belt can be adjusted by tightening the J-Bolts on the motor base and the tension can be checked easily through the access door. Power Band Belt Adjustment and Bearing Lubrication The T. there is no need for fan deck handrails or safety cages. Power Band Belt Adjustment and Bearing Lubrication The fan motor and drive assembly are designed to allow easy servicing of the motor and adjustment of the belt tension from the exterior of the unit. See Optional Equipment page 9 of this brochure.3 square meters) access door greatly simplifying motor maintenance. The unique swinging motor mount designed for these models features easy belt adjustment from the exterior of the unit. all while standing at the side of the unit.A.E.O.C. To facilitate motor removal. The most important features of this design are listed below. See page 9 Optional Equipment for details.E A S Y S O L U T I O N S . and is mounted on a rugged heavy duty motor base. B E T T E R C H O I C E S ! M A I N T E N A N C E A D VA N TA G E S The Advanced Technology Easy Maintenance Drive System The EVAPCO POWER-BAND drive system utilized on the AT Cooling Tower is the easiest drive system to maintain in the industry. Models AT 19-56 through AT 39-942 Motor Mount. floating shafts or electrical equipment.E. E. The drive belt is sized for 150 percent of the motor nameplate horsepower ensuring long and trouble free operation. On Models AT 14-64 through 14-912 On Models AT 19-56 through 39-942 On Models AT 110-112 through 428-1248 Power-Band Belt Drive The Power-Band drive is a solid-back multigroove belt system that has high lateral rigidity. The POWER-BAND Drive System has consistently provided trouble-free operation in the most severe duty cooling tower applications. The belt is designed for cooling tower service. making them the heaviest duty pillow block bearing in the industry used for cooling tower duty. gear box. swing away cover. moist atmosphere inside the cooling tower are constructed of an aluminum alloy. Fan Shaft Bearings The fan shaft bearings on the AT cooling tower are specially selected to provide long life. or T.O.F.F.000 hours. In addition.O.000 to 135. belts.A. and is constructed of neoprene with polyester cords. motors located inside the fan section on a heavy duty motor base which swings to the outside for repair or removal. The T. Those located externally are protected by a hinged protective cover. 8 . EVAPCO offers many optional motors to meet your specific needs. sheaves. Fan Motors All AT Cooling Tower models utilize heavy duty totally enclosed (T. They are rated for an L-10 life of 75. It is a comprehensive plan which includes the fan.C. minimizing costly downtime. fan shaft. driveshaft and the motor.E A S Y S O L U T I O N S .E. Drive System Sheaves Drive system sheaves located in the warm. the complete drive system including the fan motor is standard with a (5) Five Year Motor & Drive Warranty.A. motor is located inside the cooling tower. This unique warranty is designed to offer the end user optimum protection against fan drive and motor failure.E. The T.O. flexible coupling. B E T T E R C H O I C E S ! DRIVE SYSTEM DESIGN The Advanced Technology POWER-BAND Drive System Design The AT Cooling Tower features the highly successful EVAPCO POWER-BAND Belt Drive System engineered for heavy-duty operation.E.) fan motors designed specifically for cooling tower applications. Models AT 110-112 through 428-1248 have T.C. motors are located on the outside of the unit on Models AT 19-56 through AT 39-942 and are protected by a hinged. In addition to the standard motors offered on each cooling tower.E. fan bearings. including: • Premium Efficiency Motors • Multi-Speed Motors • Inverter-Duty Motors for VFD Applications Models AT 14-64 through 14-912 have a direct drive fan system. Five Year Motor and Drive Warranty EVAPCO provides a standard 5 year motor and drive warranty on all Power-Band belt drive and optional gear drive AT Cooling Towers.A. Sloped Access Ladders The EVAPCO designed access ladder features a sloped “ships type” ladder arrangement which provides fast and easy access to the water distribution system and drive components. the heavy duty galvanized steel platform is self-supportingwhich eliminates the need for any external support. EVAPCO offers an optional Stainless Steel Water Touch Basin. (The working platform and ladder meet all applicable OSHA requirements. In conjunction with the EVAPCOAT Corrosion Protection System. There are additional options which can make maintenance easier and extend the life of the cooling tower.Ships in Modules for Easy Installation 9 . Note: The sloped access ladder is available on all models AT 19-56 through AT 428-1248.Ladder Requires Field Support . A vertical ladder is available on models AT 1464 through 14-912. A handrail is attached to the sloped ladder for safe and easy ascent and descent.Platform Supported from Unit . Meets all applicable OSHA requirements. The ladder(s) will ship loose and must be field mounted. Basin Level Platform AT Cooling Towers are available on some box sizes with a basin level platform and ladder to allow easy servicing of the cold water basin. There is no need for safety cages with this design. The davit option eliminates crane rentals and facilitates the removal of motors and gear drives. Stainless Steel Water Touch Basin *Louver frame and support not in photo The AT Cooling Tower has a modular design which allows specific areas to be enhanced for increased corrosion protection. A less expensive alternative to field erected catwalks. The basin area of the cooling tower experiences turbulent mixing of air and water. The basin section provides the structural support for the unit and is the most important part of the cooling tower. The Stainless Steel Water Touch Basin provides maximum corrosion protection. These options are listed below. in addition to silt build-up. • Facilitates Maintenance . B E T T E R C H O I C E S ! OPTIONAL EQUIPMENT Optional Equipment The standard design of the EVAPCO AT provides the customer with the easiest cooling tower to maintain in the industry.) Note: The Working Platform is not available on models AT 14-64 through 14-912. Providing a convenient platform to perform work. The optional fan motor and gear davit ships loose and is installed in the field. the working platform option uses a straight ladder as standard and ships in sections for easy installation.Adjust Float Assembly . The davit and bracket are constructed of aluminum and are mounted on the side of the unit.E A S Y S O L U T I O N S . This option provides Type 304 or Type 316 stainless steel for the entire basin area including the support columns of the cooling tower and the louver frames. Working Platform & Ladder with Davit AT Cooling Towers are available with an external working platform and ladder to allow easy servicing of the fan motor and water distribution system.Clean Basin and Suction Strainer • Self Supporting and Easy Installation . E A S Y S O L U T I O N S . space and energy requirements. even under varying operating conditions. the stand pipe must be wrapped with electric heating cable and insulated to protect it from freezing. For winter operation. All components are enclosed in rugged. The control was designed by EVAPCO and is manufactured exclusively for EVAPCO. Electric Water Level Control EVAPCO cooling towers are available with an optional electric water level control system in place of the standard mechanical makeup valve and float assembly. Other Options Flanged Connections Bypass Connections with Diffuser Hood Equalizers and Flume Plates • Heater Control Packages • Hot Water or Steam Coils • Steam Injectors • Bottom Suction Connections • Vibration Isolators (single cell only) • Vibration Switches • Remote Sump Connections • Motors– Energy Efficient / Inverter Duty / 2S/1W and 2S/2W / Mill and Chem Duty Automotive Duty and Many More. equipment selections.pdf format readable using Adobe Acrobat. consult your local EVAPCO representative. unit drawing files and EVAPCO on-line information are readily available from the comfort of your own office! 10 . For alternate low ambient heater selections. Consult the Factory Technical Support Services iES the internet Equipment Solution EVAPCO’s Website iES is a Web based computer selection program which allows the design engineer to choose EVAPCO models and optimize unit selections. Heater control packages that include contactor. (*) . written specifications.com. The program allows the engineer to evaluate the equipment’s thermal performance.dwg format) are also available. for expanded product information. It consists of multiple heavy duty stainless steel electrodes.evapco. Users may make Requests for Quotations through the website or by e-mailing EVAPCO at this address marketing@evapco. Once the model is selected and optional equipment features are inserted. scaled isometric views of our equipment in CAD (.Electric heater selection based on 0°F (-18°C) ambient temperature. weather proof enclosures for outdoor use. They are furnished with a combination thermostat/low water protection device to cycle the heater on when required and to prevent the heater elements from energizing unless they are completely submerged. They are sized to maintain a +40° F (4.com Log on to EVAPCO’s new and improved website http://www. The iES Equipment Selection Software program may be accessed using Microsoft Internet Explorer after contacting your local EVAPCO sales representative. This package provides very accurate control for the basin water level and does not require field adjustment. These electrodes are mounted external to the unit in a vertical stand pipe. transformer or disconnects are available. the engineer may output a complete specification AND a unit drawing from this program. The weather protected slow closing solenoid valve(s) for the makeup water connection is factory supplied and is ready for piping to a water supply with a pressure between 25 and 50 psig (172 and 345 kPa). B E T T E R C H O I C E S ! OPTIONAL EQUIPMENT Electric Heaters Electric immersion heaters are available as an option and are located in the basin of the tower. Users can view and download unit certified and steel support drawings in a . The software is designed to provide the user with maximum flexibility in analyzing the various selection parameters while in a friendly and familiar Windows format. In addition. consult factory. Rigging and Maintenance Instructions and EVAPCO logo apparel and merchandise are all accessible online from your computer. With the internet Equipment Solution program.5°C) pan water temperature at 0°F (-18°C) ambient with the fans off*. Refer to the factory certified heater drawing for quantity and sizing of heaters. Product literature. depending on specific unit selection and measurement location.) Water Silencer– Reduces Water Noise in the Cold Water Basin up to 7 dB(A)! The water silencer option is available for all induced draft models and is located in the falling water area of the cold water basin. 11 . 20 ft. The Low Sound Fan shall utilize a unique soft-connect blade-to-hub design that is compatible with Variable Speed Drives.. The fans are high efficiency axial propeller type and are CTI Certified on the AT line of Cooling Towers. The water silencer will reduce the high frequency noise associated with the falling water and is capable of reducing overall sound levels 4 dB(A) to 7 dB(A) measured at 5 ft. depending on specific unit selection and measurement location compared to the original AT fan.. from the side or end of the unit when water is circulated with fans off. 14 ft. from the side or end of the unit. The water silencer will have no impact on unit thermal performance. Fan Discharge Sound Attenuation – Up to 10 dB(A) Reduction! The discharge attenuator is a factory assembled straight sided discharge hood designed to reduce overall discharge sound levels at full fan speed 5 dB(A) to 10 dB(A). * The CTI Certified Low Sound Fan will have a thermal performance derate up to 3. Note: These items are not available for the AT/USS 14-64 through 14-912 cooling towers.E A S Y S O L U T I O N S . The water silencers are constructed of lightweight PVC sections and can be easily removed for access to the basin area. B E T T E R C H O I C E S ! LOW SOUND SOLUTIONS The Expanded Family of the EVAPCO Super Low Sound Fans! Super Low Sound Fan 9 – 15 dB(A) Reduction! The Super Low Sound Fan offered by EVAPCO utilizes an extremely wide chord blade design available for sound sensitive applications where the lowest sound levels are desired.5%. wide AT Models with the Low Sound Fan option. The discharge attenuator will have a minimal impact on unit thermal performance (0%2% derate depending on specific unit selection). no vertical vibration forces are transmitted to the unit structure which totally eliminates sound pressure levels 4 dB(A) to 7 dB(A).. 12 ft. The discharge attenuator is available on 10 ft. Since the blades are not rigidly connected to the fan hub. The Super Low Sound fan is capable of reducing the unit sound pressure levels 9 dB(A) to 15 dB(A). The discharge attenuator is supported entirely by the unit and is shipped as an assembled section for easy mounting in the field. (Note: The Fan Discharge Attenuator Option is NOT available on UT or USS Models provided with the Super Low Sound Fan. The fan is one-piece molded heavy duty FRP construction utilizing a forward swept blade design. and 28 ft. The water silencers reduce overall sound levels 9 dB(A) to 12 dB(A) (depending on water loading and louver height) measured 5 ft. depending on specific unit selection and measurement location. 24 ft. The Low Sound Fan is NOT available on the UT Cooling Tower. The discharge attenuator is covered by a heavy gauge hot-dip galvanized steel fan guard to prevent debris from entering the attenuator. It is constructed of G-235 galvanized steel as standard (options available for Type 304 stainless steel) and includes insulated walls and a low pressure drop baffling system that is acoustically lined with high density fiberglass. Low Sound Fan* 4 – 7 dB(A) Reduction! The NEW Low Sound Fan offered by EVAPCO is a wide chord blade design for sound sensitive applications where low sound levels are desired. Consult the factory or iES Program for actual thermal performance.. B E T T E R C H O I C E S ! .E A S Y S O L U T I O N S Notes: 12 . Rain. With the advent dvent of the IBC.. 13 . compliance EVAPCO Cooling Towers…designed to withstand seismic or wind load forces.TECHNOLOGY FOR THE F U T U R E . EVAPCO is proud to introduce the new and d ine of AT. Earthquake and Hurricane e standard. UT and USS improved line Cooling Towers owers with IBC 2006 Wind. AV A I L A B L E T O D AY ! IBC COMPLIANCE We Stand Tall Through it All! IBC COMPLIANCE The International tional de (IBC) is a Building Code comprehensive sive set of regulations addressing ral design the structural and installation tion requirements nts for stems – building systems VAC including HVAC ind rial and industrial on refrigeration equipment. Critical use facilities. Highest Hazard %g How Does IBC 2006 Apply to Cooling Towers? 32+ 24-32 16-24 8-16 4-8 2-4 0-2 Lowest Hazard Based on the project zip code and site design factors. the IBC code provisions require that evaporative cooling equipment.usgs. A mechanical consulting engineer and/or design build contractor will then apply these factors to a series of charts and graphs to determine the appropriate seismic design factors based on the location of the installation and ultimately the “importance” of the facility.0 g seismic or 60 psf wind loads All locations with design criteria resulting in a seismic design force of up to 1. The IBC is intended to replace BOCA’s The National Building Code. from the US Geological Survey Website http://www. the upgraded structural design package option for the New AT is designed for 5. What is IBC? 145 psf velocity pressure. The New AT is offered with a choice of TWO structural design packages: • Standard Structural Design – For projects with < – 1. and all other components permanently installed on a structure. the requirements contained within the IBC address anchorage. The specific factors necessary for seismic design as well as a sample seismic calculation are shown on the next page. Simply stated. The highest “g force” location in North America is 5.0g.12 g and 145 psf making it applicable to ALL building locations in North America. such as hospitals. ICBO’s Uniform Building Code and SBCCI’s Standard Building Code. calculations are made to determine the equivalent seismic “g force” and wind load (in pounds per square foot – psf) on the unit. The highest wind load shown on the maps is 170 mph. structural integrity. Therefore.0g seismic or 60 psf wind loads • Upgraded Structural Design – Required for projects with >1. AV A I L A B L E T O D AY ! IBC COMPLIANCE In its continuing commitment to be the leader in evaporative cooling equipment design and services. Map courtesy US Geological Survey website The project architect or civil engineer is responsible for determining the seismic design factors to be used for the building design. are also more likely to require the upgraded design.12g. orange and yellow areas of the map are most likely to require the upgraded AT construction design based on the site seismic design factors. which is approximately equal to 14 .gov/ shows the potential seismic activity in the United States. Buildings constructed in the red. An upgraded structural design is available for installations with design criteria resulting in “g forces” greater than 1.0g or a wind load of 60 psf or below will be provided with the standard AT structural design.TECHNOLOGY FOR THE F U T U R E . and the operational capability of a component following either a seismic or wind load event. International Building Code The International Building Code (IBC) is a comprehensive set of regulations addressing both the structural design and the installation requirements for building systems – including HVAC and industrial refrigeration equipment. EVAPCO AT Cooling Towers are now Independently Certified to withstand Seismic and Wind Loads in ALL Geographic Locations and Installations in accordance with IBC 2006. Seismic Design The chart shown below. Compared to previous building codes that considered only the building structure and component anchorage. The cooling tower must be designed to withstand the greater of either the seismic or wind load. must be designed to meet the same seismic or wind load forces as the building to which they are attached. 15 . Seismic Load Calculations The data required to calculate the seismic load are: Occupancy Category – I. • Category III .seismic or wind . many chapters and paragraphs of ASCE 7 are superceded by the IBC. USS. This process ensures that the mechanical equipment and its components are compliant per the provisions of the IBC as given in the plans and specifications for the project.2 in the IBC 2006 Code Book defines each of the categories in detail. III or IV. EVAPCO’s online equipment selection software.structures that represent a low hazard to human life in the event of a failure. the following calculations must be completed.structures that represent a substantial hazard to human life in the event of a failure. ID IBC COC 001 If the seismic “g force” or wind load psf requirements for the project site are known. • Category II . • Category IV . Certificate of Compliance AT. IBC specifies site class “D” when soil properties are unknown. local regulations may be more stringent than these published speeds. these calculations are already incorporated into the selection process. The VMC Group. Table 1613. If the project requirements are unknown. will allow you to choose the required structural design package – either standard construction or upgraded construction. Applicable Building Codes: IBC 2006 ASCE-7 NFPA 5000 Whichever design force .com. E or F based on the types of soil and their engineering properties. to complete the independent equipment testing and analysis. governs the design of the building and all attached equipment.. III or IV depending on the nature of the building occupancy. However. UT Cooling Towers ATW Closed Circuit Coolers HTC. C. Referenced Report: VMA-43387 Approval Agency: VMC Seismic Consulting Group EVAPCO. The specific factors necessary for wind load as well as a sample wind load calculation are shown on Page 16. In summary the four categories are: Independent Certification Although the IBC references and is based on the structural building code ASCE 7. please contact your local EVAPCO Representative or visit www. Simply enter the required factors and the Seismic Design Force and Wind Load will be calculated automatically!! Wind Load Map Courtesy IBC 2006 Text – See full-sized map for location specific values For further questions regarding IBC compliance. When using the EVAPCO selection software to make a selection. ATC-E Evaporative Condensers Are certified to meet or exceed the Seismic and Wind Load Provisions set forth in the applicable building codes for this project.. Per the most recent edition of the code.is more severe for the building. iES. • Category I . UAT. Evapco has worked closely with the independent approval agency.structures designated as essential facilities.TECHNOLOGY FOR THE F U T U R E . the EVAPCO compliance process included an intensive analysis by an independent approval agency.Specialists in Heat Transfer Products and Services. D. Table 1604. Design Implementation EVAPCO applies the seismic design and wind load information provided for the project to determine the equipment design necessary to meet IBC requirements. Site Classification – A. As required by the International Building Code. II. independent certification and methods of analysis are such paragraphs. AV A I L A B L E T O D AY ! IBC COMPLIANCE Wind Design The IBC 2006 code book includes a map of basic wind speed (3-second gust) by contour lines. These products have been manufactured following all applicable quality assurance programs.5 in the IBC 2006 Code Book defines each of the four categories in detail.evapco. The certificate of compliance demonstrates that the equipment has been independently tested and analyzed in accordance with the IBC seismic and wind load requirements.any structures not listed in I.5. B. EVAPCO supplies a certificate of compliance as part of its submittal documents. 0 1. ASCE 7-05 Section 13.5. the default for cooling towers and closed circuit coolers ap = 2.gov/. because EVAPCO is expressing the force in terms of g’s and not lbs. SS = 1. Step 1: Calculate the Design Spectral Response Accelera- Design Spectral Response Acceleration (SDS) – A calculated value using the values for Ss and Fa. Because the seismic load requires the upgraded structural design.5. The New AT is offered with a choice of two structural design packages.4 (aP)(SDS)(WP) z 1+2 h RP IP ( ) ( ) = 0.5)(0. to which IBC often references.495)=0. as calculated in Step 1 Rp = 2. consisting of: Wind Load Calculations – Standard Structural Design ≤ 1. Due to its low inherent natural frequencies. Seismic Load Sample Calculation The following example demonstrates the procedure for determining which structural design package a Community Hospital located in Charleston. SDS = SDS = 2 (F )(S ) = 2 (1. Geological (USGS) data based on the Zip Code of the project.9966 3 a s 3 tion (SDS) 2 (F )(S ) 3 a s Where: Amplification Factor (ap) – 2. Table 13-6. life safety components required to function after a seismic event or component containing hazardous content. This number is calculated using the factors described above. B E T T E R C H O I C E S ! IBC COMPLIANCE Maximum Spectral Response Acceleration (Ss) – Numerical value found using the U.5 for flexible components or flexibly attached components.5.5.3 provides additional detail on importance factors. 1. the default for isolated equipment Ip = 1. most evaporative cooling equipment falls under the definition of flexible. This will require that the upgraded structure option be chosen to meet the seismic requirements of this project.6-1 in the American Society of Civil Engineers (ASCE) Standard 7-05.5 ( ) Step 2: Calculate the Seismic Design Force (Fp ) Component Operating Weight (Wp) – This weight term has been removed from the equation below. = 0.8 to 2.2 second maximum Ss. Seismic Design Force. In order to meet Code requirements. the cooling tower will be installed on a roof.3(1) in the IBC 2006 Code Book defines these values. Site Coefficient (Fa) – Values ranging from 0.3(1) in the IBC 2006 Code Book assuming a Site Classification of D FP Response Modification Factor (Rp) – 2.3. z = the height of the point of attachment of the component and h = the relative roof height. The site coefficient (Fa).0.5 for Occupancy Category IV.0)(1. the default for cooling towers and closed circuit coolers SDS = 0. the default for life safety components z/h = 1. the default for units on a rooftop Installation Location (Z/h) – 0 for units installed at ground level. for more information. Note the calculator assumes a site classification of B for the 0.0. In this example.24g 2. Therefore the default for Cooling Towers is 2. Wp = 1. Where: Importance Factor (Ip) – 1.S.1 of ASCE 7-05 provides additional information.0 for all other components. defined below.0 for units installed on a rooftop. the wind load calculation results will not change the design and are not required for this analysis. using the USGS Ground Motion Parameter Calculator Fa = 1.24 g.usgs. The unit will also be installed with a vibration isolation system.1. Table 1613.9966)(1) (1+2(1))=2.9966.0. (Fp) – “G-force” that the unit must be able to withstand. approximately 60 feet above grade.0 for vibration isolated evaporative cooling equipment.4 (2. 2.12g (the maximum value for North America) The data required to calculate the wind load are: 16 . See Table 13. This data point can be determined using the Ground Motion Parameter Calculator at http://www. 1.5.5 for non-isolated evaporative cooling equipment.0. from Table 1613.5 determined based on the Ss and the Site Classification.E A S Y S O L U T I O N S . the unit and its anchorage must be constructed to withstand 2. SC (zip code 29401) would require under the latest version of IBC.495. will correct for the actual site classification.0g – Upgraded Structural Design – up to 5. Per ASCE 7-05 Section 13. III or IV depending on the nature of the building occupancy. Based on an Occupancy Category of II.31.E S A S Y O L U T I O N S .0.Numerical value based on Exposure Category. Kzt = 1.6. I = 1. ASCE 7-05 Section 6. V = 145.7 provides additional detail on topographic factors. the unit and its attachments must be designed and constructed to withstand 59. These values are found in Table 6-1 of ASCE 7-05. Velocity Pressure (qz) – This number in pounds per square foot (psf) is calculated using the factors described above. 3 second Gust-Speed power Law Exponent (α) . Occupancy Category – I. ample. in miles per hour (mph) found in ASCE 7-05 Figures 6-1 (A.5.0) = 59.0. Table 6-4 of ASCE 7-05 provides additional information. default when topographic effects are not a factor.85. consisting of: – Standard Structural Design .up to 60 psf – Upgraded Structural Design . from ASCE 7-05 Table 2 using an Exposure = 0. wind speed from ASCE 7-05 Figure 6-1. In this ex- 17 .0 default when topographic effects are not a factor. Topographic Factor (Kzt) – 1. α = 11. the cooling tower will be installed on the top of Wind Directionality Factor (Kd) – 0.85 for building components and cladding. C or D as defined in Section 6. In order to meet Code requirements. FL (zip code 33101) would require under the latest version of IBC. = 2.31)(1. Kd = 0. ( zz ) ( g Where: Exposure Category – B.5 in the IBC 2006 Code Book defines each of the categories in detail. Installation Height zg = 700. Because the wind load does not require the upgraded structural design. KZ = ) g Velocity Pressure Exposure Coefficient (Kz) – A calculated value using the values for zg and α.3 of ASCE 7-05.85)(1452 )(1. Table 1604. II. The New AT is offered with a choice of two structural design packages.31 = 60. Step 2: Calculate the Velocity Pressure (qp) Nominal Height of the Atmospheric Boundary Layer (zg) . This means that the standard AT construction design will meet the wind load requirements of this project.00256(Kz)(Kzt)(Kd)(V 2 )(I) = 0. as calculated above. the seismic load calculation must also be completed to determine if the results will change the unit design. B E T T E R C H O I C E S ! IBC COMPLIANCE Basic Wind Speed (V) – Numerical value.93psf Category of D.77 and 1.5. Where: Kz = 1. 2 a 2 a z qp Component Elevation (z) – The anchorage height of the unit in feet.C).0)(0.01 the 60 foot tall building. This is the same Occupancy Category used in Seismic calculations.5 ) = 1. default for building components and cladding.15 based on the Basic Wind Speed and the Occupancy Category. from ASCE 7-05 Table 2 using an Exposure Category of D. These values are found in Table 6-2 of ASCE 7-05.B.01 ( zz ) ( Step 1: Calculate the Exposure Category Coefficient (Kz) Importance Factor (I) – Numerical value between 0. These values are found in Table 6-2 of ASCE 7-05.93 psf.5.00256(1.up to 145 psf (the maximum value for North America) Wind Load Sample Calculation The following example demonstrates the procedure to determine which structural design package a Condominium Building located in Miami. 2. KZ ) = 2.01 60 ( ( 700 ) 2 11.Numerical value based on Exposure Category. AV A I L A B L E T O D AY ! IBC COMPLIANCE Notes: 18 .TECHNOLOGY FOR THE F U T U R E . UT † TECHNOLOGY † Mark owned by the Cooling Technology Institute FOR THE F U T U R E . A V A I L A B L E T O D AY ! 19 . The Super Low Sound Fan reduces sound levels 9 to 15 dB(A) compared to the Model AT standard fan. The fan is one piece molded heavy duty FRP construction utilizing a forward swept blade design. The blade passing frequencies are audible spikes in sound pressure levels. Consult EVAPCO's iES selection software for unit sound levels. Family of Super Low Sound Fans The Super Low Sound Fan Reduced Sound Levels versus Model AT Standard Fan EVAPCO's Super Low Sound Fan on the ULTRA-QUIET cooling tower utilizes an extremely wide chord blade design available for sound sensitive applications where the lowest sound levels are desired. but are not apparent in the octave band sound spectrum. Refer to the Narrow Band Spectrum graph which shows how straight bladed axial fans produce blade passing frequencies – the same phenomena that produce the signature pulsating helicopter noise. 10 dB(A) decrease is half as loud! The ULTRA-QUIET tower reduces noise pollution by more than 50%. The ULTRA-QUIET cooling tower provides deep sound reductions and can be used in combination with Water Silencers to produce the lowest sound levels commercially available. If a detailed analysis or full octave band datasheet is required for your application. AV A I L A B L E T O D AY ! SUPER LOW SOUND FAN Solutions for Sound Sensitive Applications The ULTRA-QUIET Cooling Tower comes standard with Super Low Sound Fan that reduces the overall sound generated from the top of the cooling tower. Sound Pressure Level (dB) Blade Passing Frequencies Standard Axial Fan Super Low Sound Fan Frequency (Hz) Narrow Band Spectrum Analysis The Super Low Sound Fan on the ULTRA-QUIET Cooling Tower reduces sound levels and betters the sound quality! 20 .TECHNOLOGY FOR THE F U T U R E . please consult your EVAPCO Sales Representative. (Refer to Sound Basics on Page 21) Improved Sound Quality versus Model AT Standard Fan The SUPER Low Sound Fan on the ULTRA-QUIET cooling tower reduces sound levels 9-15 dB(A) and eliminates audible blade passing frequencies indicative of straight bladed axial type fans. The following table shows how to add decibels from two sound sources. Sound power. PO = 2x10 –5 Pascal following the following formula: L p (dB) = 10 log10 ( P2/ PO2) 100 ft. Microphones that measure sound are pressure sensitive devices that are calibrated to convert the sound pressure waves into decibels. Candles Sound Pressure Sound pressure is the intensity of sound. the numbers are not added linearly. Sound pressure. sound pressure decreases in decibels as your ear gets further from the sound source. 50 ft. Wo =1 picowatt. 100 ft. particle displacement and particle velocity. stress. 25 Ft. 76 dB(A) Adding Multiple Sound Sources Since the decibel is a logarithmic function. W to a reference power. Audible sound is the sensation produced at the ear by very small pressure fluctuations in the air. The resultant sound would actually be 76 dB. 50 ft. 0 25 ft. Similar to the wattage of a light bulb that does not change the farther one is away from the light bulb. 25 ft. two 73 dB sound sources added together do not equal 146 dB. AV A I L A B L E T O D AY ! SOUND BASICS Background in Sound Basics Sound Sound is the alteration in pressure.TECHNOLOGY FOR THE F U T U R E . but is calculated based on the measured sound pressure. according to the following formula: L w (dB) = 10 log10 (W/Wo) “SOUND POWER” The most important point to remember about sound power level is that sound power level is not a measured value. Candles 100 Ft. P in the air to a reference sound pressure. Similar to the intensity coming from a light bulb which gets dimmer as one gets further and further away. “SOUND PRESSURE” The most important point to understand about sound pressure level is that sound pressure level is what is actually being measured when sound data is recorded. which is propagated in an elastic material. sound power does not vary with distance. 100W Sound Power Sound Power is the energy of sound. Lw in decibels is the ratio of the calculated sound power. Lp in decibels is the ratio of measured pressure. Therefore. Candles 50 Ft. Difference in dB Level Add to the higher dB Level 0 to 1 2 to 3 4 to 8 9 or greater 3 2 1 0 21 73 dB(A) 73 dB(A) . 2) = 78. 3 feet away Normal Conversation Inside Average Home Quiet Library Bedroom at Night f=63 where: let: C f = correction factor per band dB = measured sound pressure Z f = (dB + Cf)/10 Band Center Freq. Attenuated easily by walls. AV A I L A B L E T O D AY ! SOUND BASICS Sound Science and Cooling Towers Sound Frequency Low-Mid Frequencies Travel through and around Obstructions Fan Noise Fan Noise • Low / Mid frequencies that travel long distances. dB(A) = 10 log10 10(Z1) + 10(Z2) + 10(Z3) + 10(Z4) + 10(Z5) + 10(Z6) + 10(Z7) + 10(Z8) = 10 log10 (67114245.2 6.00 6 2000 1401-2800 68 +1. through walls.1 dB(A) is inaudible to the human ear • Decreasing a noise source by 10 dB(A) sounds half as loud to the human ear Example calculation of the dB(A) formula using the Sample Data above. and around obstructions. dB(A) Formula and Conversions: Typical Sound Pressure Levels of Well Known Noises: f=8000 dB(A) =10 log 10 10 ((dB+Cf) /10) Jet Airplane. trees or other obstructions.20 8 8000 5601-11200 73 -1. Water Noise High Frequency Self Attenuating Water Noise • High frequencies that attenuate naturally with distance.2 4. Sound Pressure – The A-Weighted Scale The A-weighted scale.98 5 1000 701-1400 70 0 7. 150 feet away Painful Very Uncomfortable Circular Saw Nightclub Semi Truck Sidewalk of a Busy Road Household Vacuum. • Totally masked and drowned out by fan noise at a short distance away from the cooling tower. Reduce fan noise by using Low Sound Fans.TECHNOLOGY FOR THE F U T U R E . • Very difficult to attenuate.6 6.99 3 250 176-350 77 -8.1 7.3 dB(A) 22 . • Dominates what is measured and heard at the cooling tower and at the sound sensitive location.19 140 dB(A) 130 dB(A) 120 dB(A) 110 dB(A) 100 dB(A) 90 dB(A) 80 dB(A) 70 dB(A) 60 dB(A) 50 dB(A) 40 dB(A) 30 dB(A) Notable Facts about Sound: • +/. dB(A) is a means to translate what a sound meter microphone measures to how the human ear perceives the sound.84 4 500 351-700 73 -3.92 7 4000 2801-5600 71 +1.1 5.18 2 125 89-175 76 -16.0 7. (Hz) Frequency Range (Hz) Sample Data (dB) Cf (dB) Zf 1 63 44-88 68 -26.2 6. Industrial Acoustics Company. AV A I L A B L E T O D AY ! SPECIFYING SOUND Specifying Sound – A Performance Specification Specify sound pressure in dB(A) measured 5 feet above the fan discharge during full speed operation.” *Seelbach & Oran. New Cooling Tower et Fe 50 50 If sound were specified at 50 feet or some greater distance from the sound sensitive location. 5 feet above the fan is where it matters. which is much less objectionable than fan noise and attenuates naturally with distance. Low-Mid Frequencies Travel through and around Obstructions Fan Noise Acoustical Shadow Water Noise High Frequency Self Attenuating Specify fan noise because it matters! Specify fan noise where it matters! 23 . Microphone Location 5‘ 45° Measurement Location Per Cooling Technology Institute Standard ATC-128 Sound Microphone location 5 feet above the cooling tower fan cowl edge at a 45° angle. a point is reached where the water noise is masked by the fan noise.and mid-frequency fan “rumble” is very difficult to attenuate. Existing Cooling Tower et Fe 50 50 Fe et Microphone Road Traffic Sound coming from the sides of the cooling tower is comprised of high frequency water noise. which shields intake water noise from discharge fan noise. Fan rumble travels through everything and around everything and what is audible at any sound sensitive location. there is increased uncertainty in the measured data due to other possible sound sources within the 50 foot radius of the sound microphone. Fe et Rooftop Air Handler Sound Quality Sound coming from the top of the cooling tower is comprised of lowand mid-frequency fan noise. Easy Verification At 5 feet from the cooling tower.and mid-frequency fan noise completely masks the high frequency water noise.TECHNOLOGY FOR THE F U T U R E . Low. the low. a sound meter records only cooling tower noise. • All manufacturers can meet a performance specification with Low Sound Options • Fan noise is what matters. Sound measured at the side of a cooling tower is inside the acoustical shadow of the noise emitted from the top. The point coincides with the point at which one emerges from the acoustical shadow of the tower structure. Acoustical Shadow* “Subjective reactions to the overall noise generated by cooling towers indicate that as one walks away from a tower intake. Outside the acoustical shadow. Interested parties can easily verify the actual noise coming from the cooling tower against the specified sound data with good certainty. “What To Do About Cooling Tower Noise”. This position assures accurate sound measurements by eliminating a source of uncertainty by taking the microphone out of the high velocity fan discharge air. AV A I L A B L E T O D AY ! .TECHNOLOGY FOR THE Notes: 24 F U T U R E . USS † MADE IN USA 25 . Furthermore. including Nitrogen) calculation. • Eliminates critical blade passing frequencies at any speed. The Ultra-SST is a 100% corrosion-resistant cooling tower constructed of stainless steel. Type 316 SS contains molybdenum (304 SS does not) and has a greater percentage of nickel than Type 304 SS. Since the cold water basin provides the structural support for the unit and is the area most susceptible to corrosion. • Soft-connect blade to hub design. Once again. It is generally accepted that Mo-bearing Type 316 SS material can accommodate water with chloride content ten times greater than Type 304 SS. However. Also. the Ultra-SST can be upgraded to complete Type 316 SS construction.. resistance of stainless steels to pitting and/or crevice corrosion in the presence of chloride or other halide ions is enhanced by molybdenum content. Don’t settle for lesser Series 300 stainless steel! Type 316 SS material offers the best protection against corrosion. A measure of pitting resistance is expressed by the PREN (Pitting Resistance Equivalent. It is the ONLY ALL Stainless Steel cooling tower offered with a Type 316 SS basin AS STANDARD! Constructed of the highest quality materials. Type 316 SS eliminates the aesthetic degradation associated with staining of Type 304 SS. the Ultra-SST provides the Ultimate in corrosion protection. The Ultra-SST is the finest factory assembled cooling tower ever offered. • No costly field performance tests required. there are several differences in their makeup that allow Type 316 SS to have better corrosion resistance than Type 304 SS. reflecting the better pitting resistance provided by Type 316 SS due to its molybdenum content. The Type 316 SS PREN of 24 is considerably higher than the Type 304 SS PREN of 19. Inc. 26 . EVAPCO raises the quality standard in the cooling tower industry with the Ultra-SST! Complete 316 SS Construction Available For a small price addition. The premium components include: Type 304 Stainless Steel • Upper casing and structure • Mechanical equipment support • Fan Cowl and Fan Guard PVC • Patented EVAPAK® Fill • Water distribution system • Air inlet louvers • Drift eliminators Type 316 Stainless Steel • Cold water basin • Vertical support columns • Air inlet louver frames EVAPCO offers the Ultra-SST cooling tower with a standard Type 316 stainless steel cold water basin. • VFD-friendly. Certified-Standard 201 • Independent Certification. it is constructed with the highest quality materials. The Ultra-SST is the ONLY cooling tower in the industry that offers this protection as standard. continues to set the standard in the cooling tower industry with the Ultra-SST. The chemical compositions of Type 304 and 316 stainless steel are similar. AV A I L A B L E T O D AY ! A 100% CORROSION-RESISTANT DESIGN Smooth Flow Fan EVAPCO.TECHNOLOGY FOR THE F U T U R E . The molybdenum–bearing Type 316 SS provides superior corrosion resistance to a wide variety of environments. • Louver fastener remains on the unit–eliminating the possibility of missing hardware.TECHNOLOGY FOR THE F U T U R E . Quick Release Louver Fasteners • New design allows quick removal of louvers. . • Provides additional working surface for the service mechanic. Platform • Platform and ladder arrangement available as an option. If there is an application for which the standard catalog product line does not work. including the motor. • 66% fewer nozzles! • System branches have threaded end caps to assist with debris removal. • Large 1” wide orifice nozzles prevent clogging and are threaded for easy removal and positive positioning. Optional Motor Davit and Working Platform Motor Davit • Motor davit and bracket option for easy motor removal. on belt or gear drive units. Consult the iES Equipment Selection Program for Selections and Technical Assistance including Applications.114kW)! The Ultra-SST has a model for every application. • Standard on all Ultra-SST Models. • Louver fastener is large and easy to release. • Also available for Gearbox removal. • Covers the complete cooling tower from the cold water basin to the fan discharge screen. and Structural Steel Support. Layout. AV A I L A B L E T O D AY ! COMPLETE STAINLESS STEEL CONSTRUCTION Available in 55 Cross Sections and a capacity range of 32 to 4120 Nominal Tons (139 to 18. 27 • Non-corrosive PVC construction with new EvapJet™ nozzles. NEW! EvapJet™ Nozzle E 316 SS Basin Water Distribution System X CL USIV Exclusive 5 Year Complete Product Warranty E • Covers the complete drive system. EVAPCO will make a cooling tower that will fit your requirement! 304 SS Casing EVAPCO unequivocally guarantees the thermal performance of the Ultra-SST cooling tower product line. 1. Drive: Power Band Belt designed for 150% of the motor nameplate HP. designed “Sight Tight” to completely block direct sunlight from entering and water from splashing out of the cooling tower. 2. Collection Basin Material: Galvanized Steel (AT/UT – Type 304 Stainless Steel Optional) or Type 316 Stainless Steel (USS): 1. including General and Supplementary Conditions and Division 1 Specification Sections. 3. and thermal performance guarantee by the manufacturer. recommended steel support indicating weight loadings. 1. B. Certified drawings of the cooling tower. resistant to rot. Belt: Mutli-groove. This Section includes factory assembled and tested.3 SUBMITTALS A. sloped “ships type” with grabrail or vertical complying with 29 CFR 1910. able to withstand continuous operating temperature of 130ºF. Casing panels shall totally encase the fill media to protect the fill from damage due to direct atmospheric contact. and rigging supports. Non-corrosive Materials b. 1. and constructed in accordance with the latest edition of the International Building Code (IBC) Regulations for seismic loads up to _____ g or wind loads up to __ psf. Unit (AT & UT): One (1) year from start-up.27. Approved Substitute 2. Pipes: Schedule 40 PVC. 1. Vibration Cutout Switch: Mechanical switch to de. louvers. Water Distribution System: Non-corrosive materials. 2. Unit (USS): Five (5) year comprehensive warranty against materials and workmanship for complete unit. Enclosure Type: TEAO or TEFC C. self extinguishing with flame spread rating of 5 per ASTM E84-81a. installation instructions. 4. bushings and belt. Minimum L10 life for bearings shall be 75. B. sheaves. Direct Drive (AT/USS 14-64 through 14-912 ONLY): The fan drive shall be mounted on the motor in a direct drive configuration.3 INDUCED-DRAFT. Motor/Drive System: Five (5) year comprehensive warranty against materials and workmanship including motor. Bearings: Heavy duty.001% drift rate. covered with a heavy gauge hot dip galvanized steel fan guard. B.4 MOTORS AND DRIVES A. Test and certify cooling tower thermal performance according to CTI Standard 201. induced draft counterflow cooling tower complete with fill. 0. fan. (Optional Type 304 stainless steel) 3. Fan(s): 1. Air Inlet Louver Screens: Formed PVC mounted in G-235 galvanized (or Type 316 stainless) steel frames for easy removal. Casing: Galvanized Steel (AT/UT) or Type 304 Stainless Steel (USS – Type 316 Stainless Steel Optional): 1. B. Welded Connections: Continuous and watertight H. Removable stainless-steel strainer with openings smaller than nozzle orifices. I. Maximum sound pressure level of _____dB(A) measured at 5 feet above the fan discharge during full speed operation in accordance with CTI Standard ATC-128. provide an internal walkway with ladder and elevated working platform to allow for service and maintenance to motor and drive assembly. PART 2 . 3. 1. solid back V-belt type neoprene reinforced with polyester cord. Drawings and general provisions of the Contract. K. Ladders: Aluminum. Galvanized Sheet Steel complying with ASTM A 653/A 653M and having G-235 designation. 2. If a crossflow tower is used. Meet or Exceed energy efficiency per ASHRAE 90. 2. formed. induced draft counterflow cooling tower. individually adjustable wide chord blade extruded aluminum installed in a closely fitted cowl with venturi air inlet for maximum efficiency. threaded into branch piping. open circuit. ABS Plastic. 3. 2. one piece heavy duty FRP hub and blade construction. IBC Compliance: The unit structure shall be designed.TECHNOLOGY FOR THE F U T U R E . F. Joints: Bolted and sealed watertight or welded. decay and biological attack.2 SUMMARY: A. apply to this section. formed and installed by the manufacturer to ensure water breaks up into droplets. sound data. 1. Manufactures: Subject to compliance with requirements. Flume plate between cells (for multiple-cell units) or Equalizer connection (for multiple-cooling-tower system). 28 . operation and maintenance instructions. Internal Working / Service Platforms: Provide a complete internal working platform and ladder system for service of all drive components. accessories. Evenly distribute of water over fill material with pressurized spray tree.2 MATERIALS A. wiring diagrams. 2. B.energize fan motors if excessive vibration in NEMA 4 enclosure. Sheaves: Aluminum alloy if located inside the airstream. analyzed. Maximum pressure at inlet shall be ____ psig. Water Level Control: Brass mechanical makeup water valve and plastic float with an adjustable linkage. provide cooling towers manufactured by one of the following: 1. 1. AV A I L A B L E T O D AY ! MECHANICAL S P E C I F I C AT I O N S E. G. bearings. crossfluted bonded together for strength and durability in block format for easy removal and replacement. Fasteners: Corrosion resistance equal to or better than materials being fastened. 2. Cooling Tower Characteristics and Capacities: Refer to the Cooling Tower schedule. Provide extended grease lines and fittings.1 MANUFACTURERS A. mechanical support. SECTION 23 65 00 – FACTORY-FABRICATED COOLING TOWERS PART 1 – GENERAL 1.23. Type and Material(UT): Axial propeller. B. Overflow. Submit the following: 1. 2. covered with a heavy gauge hot dipped Galvanized (AT) or Stainless Steel (USS) fan guard. C. suitable for use as a working surface. Drift Eliminators: Same material as Fill. J. D. Optional Type 304 and/or 316 Stainless Steel as specified. 2-speed) D.4 QUALITY ASSURANCE A. If access to fan deck is required. Verification of Performance: 1. C. E. General requirements for motors are specified in Division 15 Section “Motors”.1 RELATED DOCUMENTS A. Motor Speed: Single Speed (Option: VFD Duty. Galvanized steel closely fitted fan cowl with venturi air inlet for maximum fan efficiency. fan. 4. a. COUNTERFLOW COOLING TOWERS A. Description: Factory assembled and tested. Type and Material (AT & USS): Axial propeller.5 WARRANTY A.PRODUCTS 2. EVAPCO. makeup and side drain connections 4. General. Joints: Sealed watertight.000 hours. Nozzles: Non-clogging. Inc. C. A suitable working platform may be constructed of the fill media for counterflow cooling towers.5 MAINTENANCE ACCESS A. Fill Media: PVC. 2. not to exceed eighteen (18) months from shipment on the unit. Handrails/Grabrails: Galvanized steel pipe complying with 29 CFR 1910. self-aligning pillow block bearings with lubrication lines extended to side access door. and fabricated. supply a perimeter handrail with ladder from grade to fan deck. 2.Test and certify cooling tower sound performance according to CTI ATC-128. ENGINEERING DATA 29 . Read down the column until you find the GPM equal to or greater than the flow required. Motor Hp AT 14-64 AT 14-74 AT 14-84 AT 14-94 AT 14-66 AT 14-76 AT 14-86 AT 14-96 2 2 3 3 3 3 5 5 Model No. For selections and conditions other than those stated.T HERMAL P ERFORMANCE † MODELS: AT/USS 14-64 to 14-96 Model No. Read horizontally to the left to find the model number of the unit that will perform the duty. 30 † Mark owned by the Cooling Technology Institute . consult your iES Selection Program or local EVAPCO representative. Motor Hp AT 14-64 AT 14-74 AT 14-84 AT 14-94 AT 14-66 AT 14-76 AT 14-86 AT 14-96 2 2 3 3 3 3 5 5 EWT LWT WB 90° 80° 66° 131 145 154 167 226 245 264 282 EWT LWT WB 95° 85° 76° 115 128 135 148 198 218 233 252 Thermal performance certified by the Cooling Technology Institute (CTI) in accordance with CTI Standard STD-201 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 95° 90° 95° 90° 95° 90° 95° 95° 80° 80° 80° 80° 80° 80° 80° 85° 66° 68° 68° 70° 70° 72° 72° 75° 101 114 120 133 175 195 208 227 122 136 144 157 211 230 247 266 94 107 112 126 164 184 195 215 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 100° 95° 97° 100° 102° 95° 96° 100° 85° 85° 87° 85° 85° 85° 86° 85° 76° 78° 78° 78° 78° 80° 80° 80° 102° 85° 80° 89 102 106 119 155 175 185 205 121 134 142 155 208 228 244 263 92 105 110 123 160 181 191 211 98 111 116 130 170 191 202 222 122 135 143 156 210 230 246 265 106 119 125 139 183 204 217 236 76 89 92 105 134 154 162 181 81 94 98 111 142 162 171 191 95 108 113 126 165 185 196 216 91 104 108 122 158 179 189 208 78 90 94 107 137 157 165 184 70 83 85 99 124 144 151 171 100° 85° 75° 103 117 123 136 179 200 213 232 61 74 75 88 109 129 134 153 81 94 97 111 142 162 171 190 To Make a Selection: Locate the column with the desired operating temperature conditions. (4) Adequate spacing must be allowed for access to the cooling tower. 31 .583 9.295 15. AT 14-64 AT 14-74 AT 14-84 AT 14-94 AT 14-66 AT 14-76 AT 14-86 AT 14-96 Shipping Operating 1080 1160 1130 1210 1390 1490 1410 1510 1760 1840 1810 1890 2460 2560 2480 2580 Dimensions Heaviest Section Fan Motor (HP) Air Flow (CFM) H T B P L F† L 560 L 640 U 570 L 640 L 730 L 830 L 730 L 830 2 2 3 3 3 3 5 5 9.647 101-5/8" 113-5/8" 101-5/8" 113-5/8" 101-5/8" 113-5/8" 101-5/8" 113-5/8" 32-3/8" 32-3/8" 32-3/8" 32-3/8" 32-3/8" 32-3/8" 32-3/8" 32-3/8" 5' 9-1/4" 6' 9-1/4" 5' 9-1/4" 6' 9-1/4" 5' 9-1/4" 6' 9-1/4" 5' 9-1/4" 6' 9-1/4" 6' 3" 7' 3" 6' 3" 7' 3" 6' 3" 7' 3" 6' 3" 7' 3" 3' 11-3/4" 3' 11-3/4" 3' 11-3/4" 3' 11-3/4" 5' 11-3/4" 5' 11-3/4" 5' 11-3/4" 5' 11-3/4" 12-7/8" 12-7/8" 12-7/8" 12-7/8" 12-7/8" 12-7/8" 12-7/8" 12-7/8" NOTE: (1) An adequately sized bleed line must be installed in the cooling tower system to prevent build-up of impurities in the recirculated water.E NGINEERING D ATA & D IMENSIONS MODELS: AT/USS 14-64 to 14-96 One-Cell Cooling Towers ACCESS DOOR F 4" MPT INLET T ACCESS DOOR 24 1/8 H B 2" OVERFLOW 1" MAKE-UP 4" MPT OUTLET P 19 3/4 ✦3 2" DRAIN 24 1/8 38 1/8 L 48 1/4 L = Lower Section U = Upper Section Weights (LBS) Model No.682 15.419 10. † Height includes fan guard which ships factory mounted. Dimensions are subject to change.013 17.978 17.886 10. (3) Connections larger than 3” are Beveled for Welding (BFW) and grooved for a mechanical coupling. ✦ Outlet connection extends 3” beyond bottom flange. (2) Do not use catalog drawings for certified prints. T HERMAL P ERFORMANCE † MODELS: AT/USS 14-69 to 14-912 Model No. Read horizontally to the left to find the model number of the unit that will perform the duty. For selections and conditions other than those stated. Read down the column until you find the GPM equal to or greater than the flow required. Motor Hp AT 14-69 AT 14-79 AT 14-89 AT 14-99 AT 14-612 AT 14-712 AT 14-812 AT 14-912 (2) 2 (2) 2 (2) 3 (2) 3 (2) 3 (2) 3 (2) 5 (2) 5 Model No. consult your iES Selection Program or local EVAPCO representative. Motor Hp AT 14-69 AT 14-79 AT 14-89 AT 14-99 AT 14-612 AT 14-712 AT 14-812 AT 14-912 (2) 2 (2) 2 (2) 3 (2) 3 (2) 3 (2) 3 (2) 5 (2) 5 EWT LWT WB 90° 80° 66° 304 335 356 386 459 499 536 574 EWT LWT WB 95° 85° 76° 265 296 313 343 403 444 475 513 Thermal performance certified by the Cooling Technology Institute (CTI) in accordance with CTI Standard STD-201 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 95° 90° 95° 90° 95° 90° 95° 95° 80° 80° 80° 80° 80° 80° 80° 85° 66° 68° 68° 70° 70° 72° 72° 75° 233 264 277 308 356 397 422 461 283 314 333 362 429 469 503 540 218 249 260 291 333 375 397 437 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 100° 95° 97° 100° 102° 95° 96° 100° 85° 85° 87° 85° 85° 85° 86° 85° 76° 78° 78° 78° 78° 80° 80° 80° 102° 85° 80° 205 235 245 276 315 356 376 416 279 310 329 359 423 464 497 535 213 243 254 285 326 367 389 429 227 258 269 300 346 388 412 451 282 313 332 362 427 468 501 539 245 276 290 321 373 414 442 481 176 206 213 244 272 313 329 369 187 217 226 257 289 330 347 388 219 250 261 292 335 377 399 439 210 240 251 282 322 363 384 424 180 209 217 248 278 319 335 375 163 192 198 228 253 293 307 347 100° 85° 75° 239 270 284 315 364 406 433 471 141 170 174 204 222 262 272 312 187 217 226 256 288 330 347 387 To Make a Selection: Locate the column with the desired operating temperature conditions. 32 † Mark owned by the Cooling Technology Institute . 694 101-5/8" 113-5/8" 101-5/8" 113-5/8" 101-5/8" 113-5/8" 101-5/8" 113-5/8" 32-3/8" 32-3/8" 32-3/8" 32-3/8" 32-3/8" 32-3/8" 32-3/8" 32-3/8" 5' 9-1/4" 6' 9-1/4" 5' 9-1/4" 6' 9-1/4" 5' 9-1/4" 6' 9-1/4" 5' 9-1/4" 6' 9-1/4" 6' 3" 7' 3" 6' 3" 7' 3" 6' 3" 7' 3" 6' 3" 7' 3" 8' 11-3/4" 8' 11-3/4" 8' 11-3/4" 8' 11-3/4" 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 12-7/8" 12-7/8" 12-7/8" 12-7/8" 12-7/8" 12-7/8" 12-7/8" 12-7/8" 4" 4" 4" 4" 6" 6" 6" 6" 4" 4" 4" 4" 6" 6" 6" 6" AT/USS NOTE: (1) An adequately sized bleed line must be installed in the cooling tower system to prevent build-up of impurities in the recirculated water.366 36.E NGINEERING D ATA & D IMENSIONS MODELS: AT/USS 14-69 to 14-912 One-Cell Cooling Towers ACCESS DOOR ACCESS DOOR F ACCESS DOOR MPT INLET* ACCESS DOOR T 24 1/8 H B 2" OVERFLOW 1" MAKE-UP MPT OUTLET* 12 7/8 2" DRAIN P 19 3/4 3 5 4 1/4 ✦ 3 24 1/8 38 1/8 48 1/4 L L = Lower Section U = Upper Section Weights (LBS) Model No. (2) Do not use catalog drawings for certified prints. † Height includes fan guard which ships factory mounted. Dimensions are subject to change.552 30.937 30. (4) Adequate spacing must be allowed for access to the cooling tower. AT 14-69 AT 14-79 AT 14-89 AT 14-99 AT 14-612 AT 14-712 AT 14-812 AT 14-912 Shipping Operating 2000 2160 2100 2260 2530 2730 2570 2770 3600 3760 3700 3860 4700 4900 4740 4940 Dimensions Connections Heaviest Section Fan Motor (HP) Air Flow (CFM) H T B P L F† Water Inlet Water Outlet L 1010 L 1170 U 1090 L 1170 U 1270 L 1460 U 1310 L 1460 (2) 2 (2) 2 (2) 3 (2) 3 (2) 3 (2) 3 (2) 5 (2) 5 21.003 23.130 20. ✦ Outlet connection extends 3” beyond bottom flange.767 24. 33 . (3) Connections larger than 3” are Beveled for Welding (BFW) and grooved for a mechanical coupling.364 35. Read horizontally to the left to find the model number of the unit that will perform the duty. Motor Hp AT 19-56 AT 19-66 AT 19-76 AT 19-86 AT 19-96 AT 19-28 AT 19-38 AT 19-48 AT 19-58 AT 19-68 AT 19-78 AT 19-88 AT 19-98 5 7. Motor Hp AT 19-56 AT 19-66 AT 19-76 AT 19-86 AT 19-96 AT 19-28 AT 19-38 AT 19-48 AT 19-58 AT 19-68 AT 19-78 AT 19-88 AT 19-98 5 7.5 10 15 5 7. 34 † Mark owned by the Cooling Technology Institute . consult your iES Selection Program or local EVAPCO representative.5 10 7.5 7.5 10 10 15 15 EWT LWT WB 90° 80° 66° 424 491 534 578 650 551 594 634 642 690 709 752 784 EWT LWT WB 95° 85° 76° 369 430 475 515 581 480 519 556 569 614 634 671 701 Thermal performance certified by the Cooling Technology Institute (CTI) in accordance with CTI Standard STD-201 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 95° 90° 95° 90° 95° 90° 95° 95° 80° 80° 80° 80° 80° 80° 80° 85° 66° 68° 68° 70° 70° 72° 72° 75° 324 380 425 462 525 422 457 491 508 549 572 603 633 394 458 502 543 612 512 553 592 602 648 668 708 739 302 356 401 437 499 394 428 461 479 519 543 571 602 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 100° 95° 97° 100° 102° 95° 96° 100° 85° 85° 87° 85° 85° 85° 86° 85° 76° 78° 78° 78° 78° 80° 80° 80° 102° 85° 80° 284 336 381 415 477 371 403 435 454 493 518 543 575 389 452 496 538 606 506 546 585 596 641 661 700 731 295 347 393 428 490 385 419 450 469 508 533 560 591 314 369 414 451 514 410 445 478 496 537 560 590 620 393 456 500 542 611 511 551 590 601 647 666 706 737 340 398 443 482 546 443 480 515 531 573 595 628 658 243 290 335 367 427 318 348 377 398 434 464 481 515 259 308 352 386 447 339 370 400 421 457 485 505 539 304 358 403 439 501 397 431 463 482 522 545 574 605 291 343 388 424 485 379 413 444 464 503 528 553 585 248 296 341 374 434 325 356 384 406 442 471 489 523 223 269 312 344 404 294 322 350 371 406 438 451 487 100° 85° 75° 332 389 434 473 536 433 469 503 520 562 584 616 646 194 237 279 308 369 254 281 308 330 362 397 405 444 258 307 352 386 446 338 369 399 420 457 485 504 538 To Make a Selection: Locate the column with the desired operating temperature conditions. Read down the column until you find the GPM equal to or greater than the flow required.T HERMAL P ERFORMANCE † MODELS: AT/UT/USS 19-56 to 19-98 Model No.5 10 10 15 15 Model No.5 10 15 5 7.5 10 7.5 7. For selections and conditions other than those stated. E NGINEERING D ATA & D IMENSIONS MODELS: AT/UT/USS 19-56 to 19-98 Swing Out Radius of Motor Cover One-Cell Cooling Towers 30 5/8 ACCESS DOOR F 21 3/8 ACCESS DOOR 6 BFW/GVD INLET T 50 3/4 2 H P 2 MPT MAKE-UP B 6 BFW/GVD OUTLET 3 FPT OVERFLOW 23 1/8 3 FPT DRAIN 14 7/8 5 3/8 6 1/2 3 7/8 3/8 L 9 50 3/4 ✦ 8' 5-1/2" L = Lower Section U = Upper Section Weights (LBS) Dimensions Model No.800 43. 35 UT F† L 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 1-7/8" 1-7/8" 1-7/8" 1-7/8" 1-7/8" 5-7/8" 5-7/8" 5-7/8" 5-7/8" 5-7/8" 5-7/8" 5-7/8" 5-7/8" .500 30.5 7. † Height includes fan guard which ships factory mounted. Shipping Operating Heaviest Section Fan Motor (HP) AT 19-56 AT 19-66 AT 19-76 AT 19-86 AT 19-96 AT 19-28 AT 19-38 AT 19-48 AT 19-58 AT 19-68 AT 19-78 AT 19-88 AT 19-98 3060 3100 3300 3330 3620 3450 3490 3520 3720 3750 4020 3810 4080 5100 5140 5340 5370 5660 5870 5910 5940 6140 6170 6440 6230 6500 U 2010 U 2050 U 2250 U 2280 U 2570 U 2280 U 2320 U 2350 U 2550 U 2580 U 2850 U 2640 U 2910 5 7. ✦ Outlet connection extends 3/8” beyond bottom flange.700 39.700 43.300 31. (2) Do not use catalog drawings for certified prints.200 29. (4) Adequate spacing must be allowed for access to the cooling tower.300 35. (3) Connections larger than 3” are Beveled for Welding (BFW) and grooved for a mechanical coupling.000 9' 7-3/8" 9' 7-3/8" 10' 7-3/8" 10' 7-3/8" 11' 7-3/8" 9' 7-3/8" 9' 7-3/8" 9' 7-3/8" 10' 7-3/8" 10' 7-3/8" 11' 7-3/8" 10' 7-3/8" 11' 7-3/8" AT/USS T 5' 5' 6' 6' 7' 5' 5' 5' 6' 6' 7' 6' 7' 7-1/8" 7-1/8" 7-1/8" 7-1/8" 7-1/8" 7-1/8" 7-1/8" 7-1/8" 7-1/8" 7-1/8" 7-1/8" 7-1/8" 7-1/8" B 4' 4' 4' 4' 4' 4' 4' 4' 4' 4' 4' 4' 4' 1/4" 1/4" 1/4" 1/4" 1/4" 1/4" 1/4" 1/4" 1/4" 1/4" 1/4" 1/4" 1/4" P 7' 7' 8' 8' 9' 7' 7' 7' 8' 8' 9' 8' 9' 2-1/2" 2-1/2" 2-1/2" 2-1/2" 2-1/2" 2-1/2" 2-1/2" 2-1/2" 2-1/2" 2-1/2" 2-1/2" 2-1/2" 2-1/2" 5' 5' 5' 5' 5' 5' 5' 5' 5' 5' 5' 5' 5' 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" NOTE: (1) An adequately sized bleed line must be installed in the cooling tower system to prevent build-up of impurities in the recirculated water.800 37.500 36.700 32.5 10 15 5 7.5 10 10 15 15 Air Flow (CFM) H 26.100 37.200 35.5 10 7. Dimensions are subject to change. Read horizontally to the left to find the model number of the unit that will perform the duty.5 (2) 10 (2) 15 (2) 5 (2) 7.5 (2) 7.5 (2) 10 (2) 15 (2) 5 (2) 7.5 (2) 10 (2) 7.5 (2) 7. Motor Hp AT 26-517 AT 26-617 AT 26-717 AT 26-817 AT 26-917 AT 28-217 AT 28-317 AT 28-417 AT 28-517 AT 28-617 AT 28-717 AT 28-817 AT 28-917 (2) 5 (2) 7.5 (2) 10 (2) 7.T HERMAL P ERFORMANCE MODELS: AT/UT/USS 26-517 to 28-917 Model No. Read down the column until you find the GPM equal to or greater than the flow required. Motor Hp AT 26-517 AT 26-617 AT 26-717 AT 26-817 AT 26-917 AT 28-217 AT 28-317 AT 28-417 AT 28-517 AT 28-617 AT 28-717 AT 28-817 AT 28-917 (2) 5 (2) 7. For selections and conditions other than those stated.5 (2) 10 (2) 10 (2) 15 (2) 15 Model No. consult your iES Selection Program or local EVAPCO representative. 36 † Mark owned by the Cooling Technology Institute .5 (2) 10 (2) 10 (2) 15 (2) 15 EWT LWT WB 90° 80° 66° 904 985 1072 1160 1305 1103 1189 1269 1285 1381 1419 1505 1570 EWT LWT WB 95° 85° 76° 788 863 953 1034 1167 962 1039 1113 1139 1228 1268 1343 1404 † Thermal performance certified by the Cooling Technology Institute (CTI) in accordance with CTI Standard STD-201 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 95° 90° 95° 90° 95° 90° 95° 95° 80° 80° 80° 80° 80° 80° 80° 85° 66° 68° 68° 70° 70° 72° 72° 75° 693 762 853 928 1054 845 915 983 1017 1100 1145 1208 1268 841 919 1007 1091 1229 1026 1107 1185 1206 1298 1336 1417 1479 649 714 805 878 1002 789 858 923 960 1039 1087 1143 1205 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 100° 95° 97° 100° 102° 95° 96° 100° 85° 85° 87° 85° 85° 85° 86° 85° 76° 78° 78° 78° 78° 80° 80° 80° 102° 85° 80° 610 674 764 834 957 742 808 870 909 987 1038 1087 1151 830 907 996 1080 1216 1013 1093 1170 1193 1284 1323 1402 1464 674 741 832 906 1032 821 890 958 992 1074 1120 1180 1241 633 698 788 860 984 770 838 901 940 1018 1067 1120 1183 838 916 1005 1089 1226 1023 1103 1182 1203 1295 1333 1414 1475 728 799 890 968 1096 888 961 1031 1063 1148 1191 1258 1318 524 583 672 737 858 636 697 754 797 869 929 963 1032 559 618 708 776 897 678 740 800 842 915 972 1011 1078 653 718 809 882 1006 794 862 928 965 1044 1092 1148 1210 624 689 779 851 974 759 827 890 928 1006 1056 1108 1171 536 594 684 750 871 650 713 769 812 884 943 979 1047 485 540 627 691 812 588 644 700 743 813 876 902 976 100° 85° 75° 711 781 872 949 1075 867 939 1008 1041 1125 1169 1234 1294 421 475 559 618 741 509 563 616 661 726 795 810 888 558 617 707 774 896 677 739 799 841 914 971 1010 1077 To Make a Selection: Locate the column with the desired operating temperature conditions. 5 (2) 10 (2) 10 (2) 15 (2) 15 53.800 62.5 (2) 7.100 72.400 78.200 76.5 (2) 10 (2) 7.900 75. ✦ Outlet connection extends 3/8” beyond bottom flange. Consult the factory for details.400 65. † Height includes fan guard which ships factory mounted. Dimensions are subject to change.500 86. (3) Connections larger than 3” are Beveled for Welding (BFW) and grooved for a mechanical coupling.600 71. AT 26-517 AT 26-617 AT 26-717 AT 26-817 AT 26-917 AT 28-217 AT 28-317 AT 28-417 AT 28-517 AT 28-617 AT 28-717 AT 28-817 AT 28-917 Shipping Operating 6120 6200 6600 6660 7240 6900 6980 7040 7440 7500 8040 7620 8160 10200 10280 10680 10740 11320 11740 11820 11880 12280 12340 12880 12460 13000 Dimensions Heaviest Section Fan Motor (HP) Air Flow (CFM) H U 2010 U 2050 U 2250 U 2280 U 2570 U 2280 U 2320 U 2350 U 2550 U 2580 U 2850 U 2640 U 2910 (2) 5 (2) 7.700 87. (4) Adequate spacing must be allowed for access to the cooling tower. (5) These models are available as (2) independent operating cells with the addition of a flume plate.000 9' 11" 9' 11" 10' 11" 10' 11" 11' 11" 10' 3-3/8" 10' 3-3/8" 10' 3-3/8" 11' 3-3/8" 11' 3-3/8" 12' 3-3/8" 11' 3-3/8" 12' 3-3/8" AT/USS T 5' 5' 6' 6' 7' 5' 5' 5' 6' 6' 7' 6' 7' 7-1/8" 7-1/8" 7-1/8" 7-1/8" 7-1/8" 7-1/8" 7-1/8" 7-1/8" 7-1/8" 7-1/8" 7-1/8" 7-1/8" 7-1/8" B 4' 4' 4' 4' 4' 4' 4' 4' 4' 4' 4' 4' 4' 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 8-1/4" 8-1/4" 8-1/4" 8-1/4" 8-1/4" 8-1/4" 8-1/4" 8-1/4" P W 7' 6-1/8" 7' 6-1/8" 8' 6-1/8" 8' 6-1/8" 9' 6-1/8" 7' 10-1/2" 7' 10-1/2" 7' 10-1/2" 8' 10-1/2" 8' 10-1/2" 9' 10-1/2" 8' 10-1/2" 9' 10-1/2" 5' 11-7/8" 5' 11-7/8" 5' 11-7/8" 5' 11-7/8" 5' 11-7/8" 8' 5-7/8" 8' 5-7/8" 8' 5-7/8" 8' 5-7/8" 8' 5-7/8" 8' 5-7/8" 8' 5-7/8" 8' 5-7/8" 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" NOTE: (1) An adequately sized bleed line must be installed in the cooling tower system to prevent build-up of impurities in the recirculated water.5 (2) 10 (2) 15 (2) 5 (2) 7. (2) Do not use catalog drawings for certified prints. 37 UT F† 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 1-7/8" 1-7/8" 1-7/8" 1-7/8" 1-7/8" 5-7/8" 5-7/8" 5-7/8" 5-7/8" 5-7/8" 5-7/8" 5-7/8" 5-7/8" .100 60.500 59.300 70.E NGINEERING D ATA & D IMENSIONS MODELS: AT/UT/USS 26-517 to 28-917 Swing Out Radius of Motor Cover Two-Cell Cooling Towers 30 5/8 30 5/8 ACCESS DOOR ACCESS DOOR ACCESS DOOR ACCESS DOOR 21 3/8 F (2) 6 BFW/GVD INLET T 50 3/4 2 H P B (2) 6 BFW/GVD OUTLET (2) 3 FPT OVERFLOW (2) 3 FPT DRAIN 23 1/8 50 3/4 14 7/8 (2) 2 MPT MAKE-UP 92 1/2 6 1/2 5 3/8 3 7/8 101 1/2 W 3/8 ✦ 2 1/2 17'-1 1/2" L = Lower Section U = Upper Section Weights (LBS) Model No. 5 (2) 7.5 (2) 10 (2) 15 EWT LWT WB 90° 80° 66° 904 985 1072 1160 1305 EWT LWT WB 95° 85° 76° 788 863 953 1034 1167 † Thermal performance certified by the Cooling Technology Institute (CTI) in accordance with CTI Standard STD-201 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 95° 90° 95° 90° 95° 90° 95° 95° 80° 80° 80° 80° 80° 80° 80° 85° 66° 68° 68° 70° 70° 72° 72° 75° 693 762 853 928 1054 841 919 1007 1091 1229 649 714 805 878 1002 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 100° 95° 97° 100° 102° 95° 96° 100° 85° 85° 87° 85° 85° 85° 86° 85° 76° 78° 78° 78° 78° 80° 80° 80° 102° 85° 80° 610 674 764 834 957 830 907 996 1080 1216 674 741 832 906 1032 633 698 788 860 984 838 916 1005 1089 1226 728 799 890 968 1096 524 583 672 737 858 559 618 708 776 897 653 718 809 882 1006 624 689 779 851 974 536 594 684 750 871 485 540 627 691 812 100° 85° 75° 711 781 872 949 1075 421 475 559 618 741 558 617 707 774 896 To Make a Selection: Locate the column with the desired operating temperature conditions. Read horizontally to the left to find the model number of the unit that will perform the duty. consult your iES Selection Program or local EVAPCO representative.T HERMAL P ERFORMANCE MODELS: AT/UT/USS 212-59 to 212-99 Model No. Motor Hp AT 212-59 AT 212-69 AT 212-79 AT 212-89 AT 212-99 (2) 5 (2) 7. For selections and conditions other than those stated. Motor Hp AT 212-59 AT 212-69 AT 212-79 AT 212-89 AT 212-99 (2) 5 (2) 7. 38 † Mark owned by the Cooling Technology Institute .5 (2) 10 (2) 15 Model No. Read down the column until you find the GPM equal to or greater than the flow required.5 (2) 7. (5) These models are available as (2) independent operating cells with the addition of a water tight basin partition. † Height includes fan guard which ships factory mounted. (3) Connections larger than 3” are Beveled for Welding (BFW) and grooved for a mechanical coupling.100 72.400 65. AT 212-59 AT 212-69 AT 212-79 AT 212-89 AT 212-99 Heaviest Shipping Operating Section 6120 6200 6600 6660 7240 10200 10280 10680 10740 11320 U 2010 U 2050 U 2250 U 2280 U 2570 Dimensions Fan Motor (HP) Air Flow (CFM) (2) 5 (2) 7.5 (2) 7.E NGINEERING D ATA & D IMENSIONS MODELS: AT/UT/USS 212-59 to 212-99 Two-Cell Cooling Towers ACCESS DOOR 30 5/8 Swing Out Radius of Motor Cover 30 5/8 ACCESS DOOR 21 3/8 21 3/8 F ACCESS DOOR ACCESS DOOR (2) 6 BFW/GVD INLET T 66 1/4 2 H P B (2) 6 BFW/GVD OUTLET (2) 3 FPT OVERFLOW (2) 2 MPT MAKE-UP 23 1/8 50 5/8 62 7/8 (2) 3 FPT DRAIN 14 7/8 66 1/2 6 1/2 67 5/8 5 1/8 3 5/8 71 7/8 ✦ L 3/8 8' 5-1/2" L = Lower Section U = Upper Section Weights (LBS) Model No.100 60. 39 2' 2' 2' 2' 2' 1-7/8" 1-7/8" 1-7/8" 1-7/8" 1-7/8" . ✦ Outlet connection extends 3/8” beyond bottom flange. Consult the factory for details. (4) Adequate spacing must be allowed for access to the cooling tower.500 59.5 (2) 10 (2) 15 53. (2) Do not use catalog drawings for certified prints.800 AT/USS H 10' 10' 11' 11' 12' T 3-3/8" 3-3/8" 3-3/8" 3-3/8" 3-3/8" 5' 5' 6' 6' 7' 7-1/8" 7-1/8" 7-1/8" 7-1/8" 7-1/8" B 4' 4' 4' 4' 4' 8-1/4" 8-1/4" 8-1/4" 8-1/4" 8-1/4" 7' 7' 8' 8' 9' 10-1/2" 10-1/2" 10-1/2" 10-1/2" 10-1/2" UT F† P 1' 1' 1' 1' 1' 7/8" 7/8" 7/8" 7/8" 7/8" NOTE: (1) An adequately sized bleed line must be installed in the cooling tower system to prevent build-up of impurities in the recirculated water. Dimensions are subject to change. 40 † Mark owned by the Cooling Technology Institute .5 (2) 10 (2) 10 (2) 15 (2) 15 EWT LWT WB 90° 80° 66° 1103 1189 1269 1285 1381 1419 1505 1570 EWT LWT WB 95° 85° 76° 962 1039 1113 1139 1228 1268 1343 1404 † Thermal performance certified by the Cooling Technology Institute (CTI) in accordance with CTI Standard STD-201 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 95° 90° 95° 90° 95° 90° 95° 95° 80° 80° 80° 80° 80° 80° 80° 85° 66° 68° 68° 70° 70° 72° 72° 75° 845 915 983 1017 1100 1145 1208 1268 1026 1107 1185 1206 1298 1336 1417 1479 789 858 923 960 1039 1087 1143 1205 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 100° 95° 97° 100° 102° 95° 96° 100° 85° 85° 87° 85° 85° 85° 86° 85° 76° 78° 78° 78° 78° 80° 80° 80° 102° 85° 80° 742 808 870 909 987 1038 1087 1151 1013 1093 1170 1193 1284 1323 1402 1464 821 890 958 992 1074 1120 1180 1241 770 838 901 940 1018 1067 1120 1183 1023 1103 1182 1203 1295 1333 1414 1475 888 961 1031 1063 1148 1191 1258 1318 636 697 754 797 869 929 963 1032 678 740 800 842 915 972 1011 1078 794 862 928 965 1044 1092 1148 1210 759 827 890 928 1006 1056 1108 1171 650 713 769 812 884 943 979 1047 588 644 700 743 813 876 902 976 100° 85° 75° 867 939 1008 1041 1125 1169 1234 1294 509 563 616 661 726 795 810 888 677 739 799 841 914 971 1010 1077 To Make a Selection: Locate the column with the desired operating temperature conditions. For selections and conditions other than those stated. Read horizontally to the left to find the model number of the unit that will perform the duty. Motor Hp AT 215-29 AT 215-39 AT 215-49 AT 215-59 AT 215-69 AT 215-79 AT 215-89 AT 215-99 (2) 5 (2) 7.5 (2) 10 (2) 7. consult your iES Selection Program or local EVAPCO representative.T HERMAL P ERFORMANCE MODELS: AT/UT/USS 215-29 to 215-99 Model No. Read down the column until you find the GPM equal to or greater than the flow required.5 (2) 10 (2) 10 (2) 15 (2) 15 Model No.5 (2) 10 (2) 7. Motor Hp AT 215-29 AT 215-39 AT 215-49 AT 215-59 AT 215-69 AT 215-79 AT 215-89 AT 215-99 (2) 5 (2) 7. ✦ Outlet connection extends 3/8” beyond bottom flange.300 70.5 (2) 10 (2) 10 (2) 15 (2) 15 62. Consult the factory for details. (4) Adequate spacing must be allowed for access to the cooling tower.E NGINEERING D ATA & D IMENSIONS MODELS: AT/UT/USS 215-29 to 215-99 Two-Cell Cooling Towers ACCESS DOOR 30 5/8 Swing Out Radius of Motor Cover 30 5/8 ACCESS DOOR 21 3/8 21 3/8 F (2) 6 BFW/GROOVED INLET T 44 7/8 2 H P B (2) 6 BFW/GROOVED OUTLET (2) 3 FPT OVERFLOW (2) 2 MPT MAKE-UP 23 1/8 68 5/8 80 7/8 (2) 3 FPT DRAIN 14 7/8 84 1/2 6 1/2 85 5/8 5 1/8 15' 4-7/8" 3 5/8 89 7/8 ✦ 8' 5-1/2" 3/8 L = Lower Section U = Upper Section Weights (LBS) Model No. Dimensions are subject to change. (2) Do not use catalog drawings for certified prints. (3) Connections larger than 3” are Beveled for Welding (BFW) and grooved for a mechanical coupling. † Height includes fan guard which ships factory mounted.500 86.200 76. AT 215-29 AT 215-39 AT 215-49 AT 215-59 AT 215-69 AT 215-79 AT 215-89 AT 215-99 Shipping Operating 6900 6980 7040 7440 7500 8040 7620 8160 11740 11820 11880 12280 12340 12880 12460 13000 Dimensions Heaviest Section Fan Motor (HP) Air Flow (CFM) U 2280 U 2320 U 2350 U 2550 U 2580 U 2850 U 2640 U 2910 (2) 5 (2) 7.900 75.000 AT/USS H 10' 10' 10' 11' 11' 12' 11' 12' T 3-3/8" 3-3/8" 3-3/8" 3-3/8" 3-3/8" 3-3/8" 3-3/8" 3-3/8" 5' 5' 5' 6' 6' 7' 6' 7' 7-1/8" 7-1/8" 7-1/8" 7-1/8" 7-1/8" 7-1/8" 7-1/8" 7-1/8" B 4' 4' 4' 4' 4' 4' 4' 4' 8-1/4" 8-1/4" 8-1/4" 8-1/4" 8-1/4" 8-1/4" 8-1/4" 8-1/4" P 7' 7' 7' 8' 8' 9' 8' 9' 10-1/2" 10-1/2" 10-1/2" 10-1/2" 10-1/2" 10-1/2" 10-1/2" 10-1/2" 1' 1' 1' 1' 1' 1' 1' 1' 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" NOTE: (1) An adequately sized bleed line must be installed in the cooling tower system to prevent build-up of impurities in the recirculated water.400 78. (5) These models are available as (2) independent operating cells with the addition of a flume plate.700 87.5 (2) 10 (2) 7.600 71. 41 UT F† 2' 2' 2' 2' 2' 2' 2' 2' 5-7/8" 5-7/8" 5-7/8" 5-7/8" 5-7/8" 5-7/8" 5-7/8" 5-7/8" . 5 10 10 15 15 15 20 20 25 Model No. Read horizontally to the left to find the model number of the unit that will perform the duty. Read down the column until you find the GPM equal to or greater than the flow required. For selections and conditions other than those stated. Motor Hp AT 19-59 AT 19-69 AT 19-79 AT 19-89 AT 19-99 AT 19-111 AT 19-211 AT 19-311 AT 19-411 AT 19-511 AT 19-611 AT 19-711 AT 19-811 AT 19-911 10 15 15 15 20 7. Motor Hp AT 19-59 AT 19-69 AT 19-79 AT 19-89 AT 19-99 AT 19-111 AT 19-211 AT 19-311 AT 19-411 AT 19-511 AT 19-611 AT 19-711 AT 19-811 AT 19-911 10 15 15 15 20 7. consult your iES Selection Program or local EVAPCO representative.T HERMAL P ERFORMANCE † MODELS: AT/UT/USS 19-59 to 19-911 Model No. 42 † Mark owned by the Cooling Technology Institute .5 10 10 15 15 15 20 20 25 EWT LWT WB 90° 80° 66° 774 819 889 918 1005 756 810 862 915 985 1025 1090 1132 1191 EWT LWT WB 95° 85° 76° 686 723 793 821 899 659 707 763 804 876 916 973 1012 1065 Thermal performance certified by the Cooling Technology Institute (CTI) in accordance with CTI Standard STD-201 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 95° 90° 95° 90° 95° 90° 95° 95° 80° 80° 80° 80° 80° 80° 80° 85° 66° 68° 68° 70° 70° 72° 72° 75° 613 640 713 741 812 578 622 680 711 785 828 876 914 962 726 767 837 864 946 702 754 808 854 926 965 1026 1066 1122 578 601 674 704 772 539 583 640 668 742 786 830 869 914 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 100° 95° 97° 100° 102° 95° 96° 100° 85° 85° 87° 85° 85° 85° 86° 85° 76° 78° 78° 78° 78° 80° 80° 80° 102° 85° 80° 548 569 641 672 737 507 548 606 629 705 750 789 830 874 718 758 828 856 937 694 744 798 844 916 955 1015 1055 1110 598 623 696 725 794 561 605 663 692 767 810 856 895 942 566 588 661 691 758 526 569 626 652 727 771 813 853 898 724 765 835 862 944 700 752 806 852 923 963 1024 1064 1119 640 671 742 770 844 607 654 710 745 819 860 912 950 1000 480 495 567 603 661 434 472 529 547 621 672 700 744 784 507 524 596 630 691 462 502 559 580 655 703 735 778 819 581 605 677 707 775 542 586 643 671 746 789 834 873 918 559 581 653 684 750 519 561 619 644 719 764 804 845 889 490 505 577 612 671 443 482 539 558 632 682 711 755 796 448 460 531 570 626 399 436 493 508 582 634 657 704 742 100° 85° 75° 627 656 728 756 828 593 638 695 728 803 844 894 933 982 399 407 476 518 571 346 379 438 447 519 576 591 642 677 507 523 595 629 690 461 502 558 579 654 702 734 777 818 To Make a Selection: Locate the column with the desired operating temperature conditions. 100 61.400 57.100 56.E NGINEERING D ATA & D IMENSIONS MODELS: AT/UT/USS 19-59 to 19-911 Swing Out Radius of Motor Cover One-Cell Cooling Towers 30 5/8 ACCESS DOOR F 21 3/8 ACCESS DOOR 8 BFW/GVD INLET T Q 2 H P 2 MPT MAKE-UP B 8 BFW/GVD OUTLET 3 FPT OVERFLOW 23 1/8 14 7/8 3 FPT DRAIN 5 3/8 7 1/2 9 3 7/8 8' 5-1/2" 3/8 S ✦ L L = Lower Section U = Upper Section Weights (LBS) Model No. Dimensions are subject to change.300 60. ✦ Outlet connection extends 3/8” beyond bottom flange.800 50.100 55.5 10 10 15 15 15 20 20 25 43. † Height includes fan guard which ships factory mounted.300 64.800 49.600 AT/USS H 11' 10' 11' 12' 12' 10' 10' 11' 10' 11' 12' 11' 12' 12' 3-1/2" 3-1/2" 3-1/2" 3-1/2" 3-1/2" 3-1/2" 3-1/2" 3-1/2" 3-1/2" 3-1/2" 3-1/2" 3-1/2" 3-1/2" 3-1/2" T 6' 5' 6' 7' 7' 5' 5' 6' 5' 6' 7' 6' 7' 7' 11-5/8" 11-5/8" 11-5/8" 11-5/8" 11-5/8" 11-5/8" 11-5/8" 11-5/8" 11-5/8" 11-5/8" 11-5/8" 11-5/8" 11-5/8" 11-5/8" B 4' 4' 4' 4' 4' 4' 4' 4' 4' 4' 4' 4' 4' 4' 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" P 8' 7' 8' 9' 9' 7' 7' 8' 7' 8' 9' 8' 9' 9' 7-1/8" 7-1/8" 7-1/8" 7-1/8" 7-1/8" 7-1/8" 7-1/8" 7-1/8" 7-1/8" 7-1/8" 7-1/8" 7-1/8" 7-1/8" 7-1/8" L 8' 11-1/2" 8' 11-1/2" 8' 11-1/2" 8' 11-1/2" 8' 11-1/2" 10' 5-1/2" 10' 5-1/2" 10' 5-1/2" 10' 5-1/2" 10' 5-1/2" 10' 5-1/2" 10' 5-1/2" 10' 5-1/2" 10' 5-1/2" UT S&Q F† 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" NOTE: (1) An adequately sized bleed line must be installed in the cooling tower system to prevent build-up of impurities in the recirculated water.200 49.000 53. (4) Adequate spacing must be allowed for access to the cooling tower. 43 4' 4' 4' 4' 4' 5' 5' 5' 5' 5' 5' 5' 5' 5' 5-3/4" 5-3/4" 5-3/4" 5-3/4" 5-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" .800 49. (3) Connections larger than 3” are Beveled for Welding (BFW) and grooved for a mechanical coupling. (2) Do not use catalog drawings for certified prints.900 50. AT 19-59 AT 19-69 AT 19-79 AT 19-89 AT 19-99 AT 19-111 AT 19-211 AT 19-311 AT 19-411 AT 19-511 AT 19-611 AT 19-711 AT 19-811 AT 19-911 Shipping Operating 4320 4120 4390 4700 4750 4570 4600 4920 4670 4990 5340 5040 5390 5420 7160 6960 7230 7540 7590 7870 7900 8220 7970 8290 8640 8340 8690 8720 Dimensions Heaviest Section Fan Motor (HP) Air Flow (CFM) U 3010 U 2810 U 3080 U 3390 U 3440 U 3100 U 3130 U 3450 U 3200 U 3520 U 3870 U 3570 U 3920 U 3950 10 15 15 15 20 7.600 45. Motor Hp AT 19-412 AT 19-512 AT 19-612 AT 19-712 AT 19-812 AT 19-912 AT 19-114 AT 19-214 AT 19-314 AT 19-414 AT 19-514 AT 19-614 AT 19-714 AT 19-814 AT 19-914 20 15 20 20 25 30 10 10 20 15 15 20 25 30 30 Model No. consult your iES Selection Program or local EVAPCO representative.T HERMAL P ERFORMANCE MODELS: AT/UT/USS 19-412 to 19-914 Model No. Read horizontally to the left to find the model number of the unit that will perform the duty. Motor Hp AT 19-412 AT 19-512 AT 19-612 AT 19-712 AT 19-812 AT 19-912 AT 19-114 AT 19-214 AT 19-314 AT 19-414 AT 19-514 AT 19-614 AT 19-714 AT 19-814 AT 19-914 20 15 20 20 25 30 10 10 20 15 15 20 25 30 30 EWT LWT WB 90° 80° 66° 1114 1114 1219 1251 1297 1375 1016 1098 1226 1222 1251 1337 1440 1520 1566 EWT LWT WB 95° 85° 76° 982 991 1088 1119 1160 1230 885 969 1077 1084 1118 1190 1286 1359 1401 † Thermal performance certified by the Cooling Technology Institute (CTI) in accordance with CTI Standard STD-201 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 95° 90° 95° 90° 95° 90° 95° 95° 80° 80° 80° 80° 80° 80° 80° 85° 66° 68° 68° 70° 70° 72° 72° 75° 871 887 978 1010 1045 1111 777 861 952 968 1009 1067 1156 1224 1266 1043 1047 1148 1178 1222 1295 944 1028 1145 1147 1178 1257 1356 1432 1476 818 838 926 960 990 1056 725 810 894 914 957 1009 1095 1160 1203 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 100° 95° 97° 100° 102° 95° 96° 100° 85° 85° 87° 85° 85° 85° 86° 85° 76° 78° 78° 78° 78° 80° 80° 80° 102° 85° 80° 774 796 880 917 943 1009 682 766 843 866 914 958 1041 1105 1149 1030 1036 1135 1166 1209 1282 932 1016 1131 1134 1166 1243 1342 1417 1460 849 867 956 989 1021 1088 754 839 927 945 986 1042 1130 1197 1239 800 821 907 943 971 1037 707 793 873 895 940 988 1073 1138 1181 1040 1044 1145 1176 1219 1292 941 1025 1142 1144 1175 1254 1353 1428 1472 912 926 1018 1050 1087 1155 816 902 998 1012 1049 1113 1204 1274 1315 675 701 780 822 837 905 583 667 732 760 815 845 923 981 1031 713 739 819 859 879 946 621 705 777 802 853 891 969 1030 1077 823 842 930 964 995 1061 729 814 899 918 961 1014 1100 1166 1208 790 812 897 933 961 1027 697 783 862 884 930 977 1061 1126 1169 687 713 793 834 851 919 596 680 747 774 828 860 938 998 1046 627 656 731 777 787 857 537 620 681 708 768 792 866 923 975 100° 85° 75° 892 907 999 1031 1067 1134 797 883 976 991 1029 1091 1181 1250 1291 555 585 657 707 709 783 466 550 599 630 697 707 778 831 890 712 737 818 858 878 945 620 704 775 801 852 889 968 1029 1076 To Make a Selection: Locate the column with the desired operating temperature conditions. Read down the column until you find the GPM equal to or greater than the flow required. 44 † Mark owned by the Cooling Technology Institute . For selections and conditions other than those stated. 200 83. Dimensions are subject to change. (2) Do not use catalog drawings for certified prints. ✦ Outlet connection extends 3/8” beyond bottom flange.400 85.800 66.800 AT/USS H 10' 11' 11' 12' 11' 12' 10' 11' 10' 11' 12' 11' 11' 11' 12' 7-7/8" 7-7/8" 7-7/8" 7-7/8" 7-7/8" 7-7/8" 7-7/8" 7-7/8" 7-7/8" 7-7/8" 7-7/8" 7-7/8" 7-7/8" 7-7/8" 7-7/8" T 5' 6' 6' 7' 6' 7' 5' 6' 5' 6' 7' 6' 6' 6' 7' 11-5/8" 11-5/8" 11-5/8" 11-5/8" 11-5/8" 11-5/8" 11-5/8" 11-5/8" 11-5/8" 11-5/8" 11-5/8" 11-5/8" 11-5/8" 11-5/8" 11-5/8" B 4' 4' 4' 4' 4' 4' 4' 4' 4' 4' 4' 4' 4' 4' 4' 8-1/4" 8-1/4" 8-1/4" 8-1/4" 8-1/4" 8-1/4" 8-1/4" 8-1/4" 8-1/4" 8-1/4" 8-1/4" 8-1/4" 8-1/4" 8-1/4" 8-1/4" P 7' 11-1/2" 8' 11-1/2" 8' 11-1/2" 9' 11-1/2" 8' 11-1/2" 9' 11-1/2" 7' 11-1/2" 8' 11-1/2" 7' 11-1/2" 8' 11-1/2" 9' 11-1/2" 8' 11-1/2" 8' 11-1/2" 8' 11-1/2" 9' 11-1/2" 11' 11' 11' 11' 11' 11' 13' 13' 13' 13' 13' 13' 13' 13' 13' 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" UT F† L 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' S&Q 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" NOTE: (1) An adequately sized bleed line must be installed in the cooling tower system to prevent build-up of impurities in the recirculated water.000 80.500 75. AT 19-412 AT 19-512 AT 19-612 AT 19-712 AT 19-812 AT 19-912 AT 19-114 AT 19-214 AT 19-314 AT 19-414 AT 19-514 AT 19-614 AT 19-714 AT 19-814 AT 19-914 Shipping Operating 5230 5550 5590 5980 5610 6020 5570 5980 5690 6060 6510 6100 6120 6140 6590 9090 9410 9450 9840 9470 9880 10080 10490 10200 10570 11020 10610 10630 10650 11100 Dimensions Heaviest Section Fan Motor (HP) Air Flow (CFM) U 3580 U 3900 U 3940 U 4330 U 3960 U 4370 U 3710 U 4120 U 3830 U 4200 U 4650 U 4240 U 4260 U 4280 U 4730 20 15 20 20 25 30 10 10 20 15 15 20 25 30 30 69.E NGINEERING D ATA & D IMENSIONS MODELS: AT/UT/USS 19-412 to 19-914 Swing Out Radius of Motor Cover One-Cell Cooling Towers 30 5/8 ACCESS DOOR 21 3/8 F ACCESS DOOR 8 BFW/GVD INLET T Q 2 H P 2 MPT MAKE-UP B 8 BFW/GVD OUTLET 3 FPT OVERFLOW 23 1/8 3 FPT DRAIN 14 7/8 5 3/8 7 1/2 9 3 7/8 8' 5-1/2" 3/8 S ✦ L L = Lower Section U = Upper Section Weights (LBS) Model No.100 61.300 76.600 67.300 60.700 72.800 75.900 67. 45 5' 5' 5' 5' 5' 5' 6' 6' 6' 6' 6' 6' 6' 6' 6' 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" . † Height includes fan guard which ships factory mounted. (4) Adequate spacing must be allowed for access to the cooling tower.500 68.800 61. (3) Connections larger than 3” are Beveled for Welding (BFW) and grooved for a mechanical coupling. T HERMAL P ERFORMANCE MODELS: AT/UT/USS 217-59 to 217-911 Model No. Motor Hp AT 217-59 AT 217-69 AT 217-79 AT 217-89 AT 217-99 AT 217-111 AT 217-211 AT 217-311 AT 217-411 AT 217-511 AT 217-611 AT 217-711 AT 217-811 AT 217-911 (2) 10 (2) 15 (2) 15 (2) 15 (2) 20 (2) 7.5 (2) 7.5 (2) 10 (2) 15 (2) 10 (2) 15 (2) 15 (2) 20 (2) 25 Model No. Motor Hp AT 217-59 AT 217-69 AT 217-79 AT 217-89 AT 217-99 AT 217-111 AT 217-211 AT 217-311 AT 217-411 AT 217-511 AT 217-611 AT 217-711 AT 217-811 AT 217-911 (2) 10 (2) 15 (2) 15 (2) 15 (2) 20 (2) 7.5 (2) 7.5 (2) 10 (2) 15 (2) 10 (2) 15 (2) 15 (2) 20 (2) 25 EWT LWT WB 90° 80° 66° 1547 1639 1779 1836 2009 1530 1609 1740 1849 1828 1988 2069 2200 2403 EWT LWT WB 95° 85° 76° 1373 1445 1587 1641 1797 1333 1420 1541 1625 1633 1770 1850 1965 2149 † Thermal performance certified by the Cooling Technology Institute (CTI) in accordance with CTI Standard STD-201 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 95° 90° 95° 90° 95° 90° 95° 95° 80° 80° 80° 80° 80° 80° 80° 85° 66° 68° 68° 70° 70° 72° 72° 75° 1226 1281 1426 1482 1624 1170 1261 1374 1437 1472 1587 1671 1769 1942 1452 1534 1674 1729 1893 1421 1507 1632 1727 1721 1869 1949 2071 2264 1157 1203 1348 1409 1543 1092 1186 1294 1350 1398 1500 1587 1676 1846 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 100° 95° 97° 100° 102° 95° 96° 100° 85° 85° 87° 85° 85° 85° 86° 85° 76° 78° 78° 78° 78° 80° 80° 80° 102° 85° 80° 1096 1137 1282 1345 1474 1027 1120 1225 1274 1334 1424 1515 1594 1764 1437 1515 1656 1711 1873 1403 1489 1613 1707 1703 1849 1929 2050 2241 1196 1247 1392 1451 1589 1136 1228 1341 1400 1440 1549 1634 1729 1901 1133 1176 1321 1383 1515 1065 1160 1266 1320 1372 1470 1558 1643 1813 1449 1530 1670 1725 1889 1417 1503 1628 1722 1717 1865 1944 2067 2259 1281 1341 1485 1541 1688 1229 1321 1435 1508 1531 1655 1737 1842 2019 961 991 1135 1205 1323 880 974 1071 1107 1188 1256 1357 1414 1583 1015 1047 1192 1260 1382 937 1031 1132 1174 1245 1324 1419 1486 1654 1162 1209 1355 1415 1550 1098 1192 1301 1357 1404 1507 1594 1684 1854 1119 1162 1307 1369 1500 1051 1145 1251 1303 1358 1453 1542 1625 1794 979 1010 1154 1223 1342 899 994 1091 1129 1207 1279 1378 1438 1606 896 920 1063 1140 1252 811 906 999 1029 1120 1178 1281 1330 1498 100° 85° 75° 1254 1312 1456 1513 1657 1201 1292 1406 1474 1503 1622 1705 1806 1982 797 813 953 1036 1143 703 803 887 906 1015 1051 1165 1195 1368 1013 1046 1190 1258 1380 935 1029 1130 1172 1243 1322 1417 1483 1652 To Make a Selection: Locate the column with the desired operating temperature conditions. Read down the column until you find the GPM equal to or greater than the flow required. Read horizontally to the left to find the model number of the unit that will perform the duty. For selections and conditions other than those stated, consult your iES Selection Program or local EVAPCO representative. 46 † Mark owned by the Cooling Technology Institute E NGINEERING D ATA & D IMENSIONS MODELS: AT/UT/USS 217-59 to 217-911 Two-Cell Cooling Towers ACCESS DOOR 30 5/8 Swing Out Radius of Motor Cover 30 5/8 ACCESS DOOR 21 3/8 21 3/8 F ACCESS DOOR ACCESS DOOR (2) 8 BFW/GVD INLET T 2 50 3/4 H P 60 1/4 (2) 8 BFW/GVD OUTLET (2) 3 FPT OVERFLOW (2) 2 MPT MAKE-UP 23 1/8 80 1/4 92 1/2 (2) 3 FPT DRAIN 14 7/8 96 1/8 7 1/2 97 1/4 5 1/8 17' 4-1/8" 3 5/8 101 1/2 ✦ L 3/8 L = Lower Section U = Upper Section Weights (LBS) Dimensions Model No. Shipping Operating Heaviest Section Fan Motor (HP) AT 217-59 AT 217-69 AT 217-79 AT 217-89 AT 217-99 AT 217-111 AT 217-211 AT 217-311 AT 217-411 AT 217-511 AT 217-611 AT 217-711 AT 217-811 AT 217-911 8640 8240 8780 9400 9500 9140 9780 9840 9340 10540 9980 10680 10080 10840 14320 13920 14460 15080 15180 15740 16380 16440 15940 17140 16580 17280 16680 17440 U 3010 U 2810 U 3080 U 3390 U 3440 U 3100 U 3420 U 3450 U 3200 U 3800 U 3520 U 3870 U 3570 U 3950 (2) 10 (2) 15 (2) 15 (2) 15 (2) 20 (2) 7.5 (2) 7.5 (2) 10 (2) 15 (2) 10 (2) 15 (2) 15 (2) 20 (2) 25 Air Flow (CFM) 87,800 101,500 99,500 97,900 107,100 91,800 90,500 99,100 114,600 97,400 112,500 110,600 123,000 129,700 AT/USS H 12' 11' 12' 13' 13' 11' 12' 12' 11' 13' 12' 13' 12' 13' 2-1/2" 2-1/2" 2-1/2" 2-1/2" 2-1/2" 2-1/2" 2-1/2" 2-1/2" 2-1/2" 2-1/2" 2-1/2" 2-1/2" 2-1/2" 2-1/2" T 7' 6' 7' 8' 8' 6' 7' 7' 6' 8' 7' 8' 7' 8' 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" P L 9' 6-1/8" 8' 6-1/8" 9' 6-1/8" 10' 6-1/8" 10' 6-1/8" 8' 6-1/8" 9' 6-1/8" 10' 6-1/8" 8' 6-1/8" 10' 6-1/8" 9' 6-1/8" 10' 6-1/8" 9' 6-1/8" 10' 6-1/8" 8' 11-1/2" 8' 11-1/2" 8' 11-1/2" 8' 11-1/2" 8' 11-1/2" 10' 5-1/2" 10' 5-1/2" 10' 5-1/2" 10' 5-1/2" 10' 5-1/2" 10' 5-1/2" 10' 5-1/2" 10' 5-1/2" 10' 5-1/2" 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" NOTE: (1) An adequately sized bleed line must be installed in the cooling tower system to prevent build-up of impurities in the recirculated water. (2) Do not use catalog drawings for certified prints. Dimensions are subject to change. (3) Connections larger than 3” are Beveled for Welding (BFW) and grooved for a mechanical coupling. (4) Adequate spacing must be allowed for access to the cooling tower. (5) These models are available as (2) independent operating cells with the addition of a flume plate. Consult the factory for details. † Height includes fan guard which ships factory mounted. ✦ Outlet connection extends 3/8” beyond bottom flange. 47 UT F† 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" T HERMAL P ERFORMANCE MODELS: AT/UT/USS 217-412 to 217-914 Model No. Motor Hp AT 217-412 AT 217-512 AT 217-612 AT 217-712 AT 217-812 AT 217-912 AT 217-214 AT 217-314 AT 217-414 AT 217-514 AT 217-614 AT 217-714 AT 217-814 AT 217-914 (2) 20 (2) 15 (2) 20 (2) 20 (2) 25 (2) 30 (2) 15 (2) 25 (2) 20 (2) 20 (2) 25 (2) 25 (2) 30 (2) 30 Model No. Motor Hp AT 217-412 AT 217-512 AT 217-612 AT 217-712 AT 217-812 AT 217-912 AT 217-214 AT 217-314 AT 217-414 AT 217-514 AT 217-614 AT 217-714 AT 217-814 AT 217-914 (2) 20 (2) 15 (2) 20 (2) 20 (2) 25 (2) 30 (2) 15 (2) 25 (2) 20 (2) 20 (2) 25 (2) 25 (2) 30 (2) 30 EWT LWT WB 90° 80° 66° 2174 2178 2384 2448 2538 2691 2412 2612 2640 2712 2845 2934 3003 3094 EWT LWT WB 95° 85° 76° 1916 1936 2127 2188 2268 2406 2139 2304 2349 2424 2539 2623 2684 2767 † Thermal performance certified by the Cooling Technology Institute (CTI) in accordance with CTI Standard STD-201 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 95° 90° 95° 90° 95° 90° 95° 95° 80° 80° 80° 80° 80° 80° 80° 85° 66° 68° 68° 70° 70° 72° 72° 75° 1696 1732 1911 1977 2041 2174 1909 2044 2105 2189 2283 2370 2417 2500 2033 2046 2244 2306 2390 2535 2264 2446 2482 2554 2679 2763 2828 2915 1593 1635 1807 1878 1935 2066 1802 1920 1990 2079 2160 2252 2290 2376 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 100° 95° 97° 100° 102° 95° 96° 100° 85° 85° 87° 85° 85° 85° 86° 85° 76° 78° 78° 78° 78° 80° 80° 80° 102° 85° 80° 1505 1553 1718 1793 1841 1974 1706 1815 1889 1984 2054 2150 2180 2270 2009 2023 2220 2282 2366 2508 2239 2417 2455 2528 2650 2735 2799 2884 1651 1691 1866 1934 1995 2128 1863 1991 2056 2141 2231 2319 2362 2446 1558 1602 1771 1844 1897 2029 1763 1877 1949 2041 2117 2211 2247 2333 2028 2041 2238 2300 2385 2529 2258 2439 2476 2548 2672 2757 2821 2908 1777 1807 1990 2055 2126 2260 1995 2140 2196 2276 2377 2463 2515 2598 1310 1366 1520 1607 1633 1771 1495 1583 1665 1777 1819 1927 1935 2035 1386 1438 1597 1680 1716 1850 1580 1673 1754 1858 1911 2015 2032 2127 1601 1643 1815 1886 1944 2075 1811 1930 1999 2088 2170 2261 2301 2386 1539 1583 1751 1825 1876 2008 1742 1854 1926 2020 2094 2188 2222 2309 1337 1390 1546 1631 1660 1797 1523 1613 1695 1804 1850 1956 1967 2066 1217 1275 1424 1519 1536 1676 1394 1471 1560 1676 1706 1823 1819 1926 100° 85° 75° 1738 1771 1952 2017 2085 2218 1953 2093 2152 2234 2331 2418 2468 2551 1074 1138 1276 1381 1381 1530 1239 1303 1392 1523 1532 1659 1637 1757 1384 1436 1595 1677 1713 1848 1578 1670 1752 1856 1908 2012 2029 2124 To Make a Selection: Locate the column with the desired operating temperature conditions. Read down the column until you find the GPM equal to or greater than the flow required. Read horizontally to the left to find the model number of the unit that will perform the duty. For selections and conditions other than those stated, consult your iES Selection Program or local EVAPCO representative. 48 † Mark owned by the Cooling Technology Institute E NGINEERING D ATA & D IMENSIONS MODELS: AT/UT/USS 217-412 to 217-914 Two-Cell Cooling Towers ACCESS DOOR 30 5/8 Swing Out Radius of Motor Cover 30 5/8 ACCESS DOOR 21 3/8 21 3/8 F ACCESS DOOR (2) 8 BFW/GVD INLET ACCESS DOOR T 2 50 3/4 H P B (2) 8 BFW/GVD OUTLET (2) 3 FPT OVERFLOW 80 1/4 (2) 2 MPT MAKE-UP 23 1/8 92 1/2 (2) 3 FPT DRAIN 14 7/8 96 1/8 97 1/4 5 1/8 7 1/2 101 1/2 3 3/4 17' 4-1/8" ✦ 3/8 L L = Lower Section U = Upper Section Weights (LBS) Dimensions Model No.400 143.900 171. (5) These models are available as (2) independent operating cells with the addition of a flume plate. (4) Adequate spacing must be allowed for access to the cooling tower. Shipping Operating Heaviest Section Fan Motor (HP) AT 217-412 AT 217-512 AT 217-612 AT 217-712 AT 217-812 AT 217-912 AT 217-214 AT 217-314 AT 217-414 AT 217-514 AT 217-614 AT 217-714 AT 217-814 AT 217-914 10460 11100 11180 11960 11220 12040 12120 11420 12200 13100 12240 13140 12280 13180 18180 18820 18900 19680 18940 19760 21140 20440 21220 22120 21260 22160 21300 22200 U 3580 U 3900 U 3940 U 4330 U 3960 U 4370 U 4200 U 3850 U 4240 U 4690 U 4260 U 4710 U 4280 U 4730 (2) 20 (2) 15 (2) 20 (2) 20 (2) 25 (2) 30 (2) 15 (2) 25 (2) 20 (2) 20 (2) 25 (2) 25 (2) 30 (2) 30 Air Flow (CFM) 136.200 149.700 150.700 164.500 158. 49 UT F† 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" . (3) Connections larger than 3” are Beveled for Welding (BFW) and grooved for a mechanical coupling.300 137.200 122. † Height includes fan guard which ships factory mounted.300 161. Dimensions are subject to change.600 148. ✦ Outlet connection extends 3/8” beyond bottom flange. (2) Do not use catalog drawings for certified prints.000 133.100 168.500 131.200 AT/USS H 11' 12' 12' 13' 12' 13' 12' 11' 12' 13' 12' 13' 12' 13' T 2-1/2" 2-1/2" 2-1/2" 2-1/2" 2-1/2" 2-1/2" 8-1/2" 8-1/2" 8-1/2" 8-1/2" 8-1/2" 8-1/2" 8-1/2" 8-1/2" 6' 7' 7' 8' 7' 8' 7' 6' 7' 8' 7' 8' 7' 8' 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" B P 5' 1/4" 5' 1/4" 5' 1/4" 5' 1/4" 5' 1/4" 5' 1/4" 5' 6-1/4" 5' 6-1/4" 5' 6-1/4" 5' 6-1/4" 5' 6-1/4" 5' 6-1/4" 5' 6-1/4" 5' 6-1/4" 8' 6-1/8" 9' 6-1/8" 9' 6-1/8" 10' 6-1/8" 9' 6-1/8" 10' 6-1/8" 10' 1/8" 9' 1/8" 10' 1/8" 11' 1/8" 10' 1/8" 11' 1/8" 10' 1/8" 11' 1/8" L 11' 11' 11' 11' 11' 11' 13' 13' 13' 13' 13' 13' 13' 13' 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' NOTE: (1) An adequately sized bleed line must be installed in the cooling tower system to prevent build-up of impurities in the recirculated water. Consult the factory for details. 5 (2) 7.T HERMAL P ERFORMANCE MODELS: AT/UT/USS 29-318 to 29-921 Model No. For selections and conditions other than those stated.5 (2) 10 (2) 15 (2) 10 (2) 15 (2) 15 (2) 20 (2) 25 EWT LWT WB 90° 80° 66° 1329 1448 1570 1663 1805 1863 2039 1532 1613 1745 1853 1834 1994 2076 2207 2411 EWT LWT WB 95° 85° 76° 1158 1266 1393 1467 1610 1665 1824 1334 1423 1545 1628 1638 1775 1856 1971 2157 † Thermal performance certified by the Cooling Technology Institute (CTI) in accordance with CTI Standard STD-201 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 95° 90° 95° 90° 95° 90° 95° 95° 80° 80° 80° 80° 80° 80° 80° 85° 66° 68° 68° 70° 70° 72° 72° 75° 1017 1115 1244 1300 1447 1504 1648 1171 1263 1377 1439 1477 1590 1676 1773 1949 1235 1348 1474 1556 1699 1755 1921 1423 1510 1636 1730 1727 1875 1955 2078 2272 949 1045 1174 1221 1368 1429 1566 1092 1188 1296 1352 1402 1503 1592 1681 1852 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 100° 95° 97° 100° 102° 95° 96° 100° 85° 85° 87° 85° 85° 85° 86° 85° 76° 78° 78° 78° 78° 80° 80° 80° 102° 85° 80° 892 984 1112 1154 1301 1365 1496 1027 1120 1227 1275 1337 1427 1520 1598 1769 1219 1332 1458 1538 1681 1736 1901 1405 1492 1617 1710 1709 1855 1935 2057 2248 988 1085 1213 1265 1413 1472 1613 1136 1230 1343 1401 1445 1553 1640 1733 1907 926 1021 1149 1194 1341 1403 1538 1065 1161 1268 1321 1376 1472 1562 1647 1819 1231 1344 1470 1552 1695 1750 1917 1419 1506 1632 1726 1723 1870 1951 2073 2266 1068 1171 1300 1361 1507 1564 1713 1230 1323 1438 1509 1536 1659 1742 1847 2025 765 850 975 1006 1152 1223 1342 879 974 1071 1107 1191 1258 1361 1417 1588 814 902 1030 1063 1210 1279 1402 936 1032 1133 1175 1248 1326 1423 1488 1659 955 1050 1180 1227 1375 1436 1573 1098 1194 1303 1359 1408 1511 1599 1688 1860 913 1008 1135 1179 1326 1389 1522 1051 1146 1253 1303 1362 1456 1546 1629 1800 781 868 994 1025 1171 1241 1362 898 994 1092 1129 1210 1281 1382 1441 1611 706 785 909 934 1079 1157 1270 809 906 999 1029 1122 1179 1285 1331 1502 100° 85° 75° 1043 1144 1273 1331 1478 1535 1681 1202 1294 1408 1475 1508 1626 1710 1812 1988 611 687 809 826 967 1052 1160 701 802 887 905 1018 1052 1167 1197 1372 813 901 1028 1061 1208 1277 1401 934 1030 1131 1173 1246 1324 1421 1486 1657 To Make a Selection: Locate the column with the desired operating temperature conditions. Motor Hp AT 29-318 AT 29-418 AT 29-518 AT 29-618 AT 29-718 AT 29-818 AT 29-918 AT 29-121 AT 29-221 AT 29-321 AT 29-421 AT 29-521 AT 29-621 AT 29-721 AT 29-821 AT 29-921 (2) 7. Read down the column until you find the GPM equal to or greater than the flow required.5 (2) 10 (2) 10 (2) 15 (2) 15 (2) 15 (2) 20 (2) 7. Read horizontally to the left to find the model number of the unit that will perform the duty. 50 † Mark owned by the Cooling Technology Institute .5 (2) 7. Motor Hp AT 29-318 AT 29-418 AT 29-518 AT 29-618 AT 29-718 AT 29-818 AT 29-918 AT 29-121 AT 29-221 AT 29-321 AT 29-421 AT 29-521 AT 29-621 AT 29-721 AT 29-821 AT 29-921 (2) 7.5 (2) 10 (2) 15 (2) 10 (2) 15 (2) 15 (2) 20 (2) 25 Model No.5 (2) 10 (2) 10 (2) 15 (2) 15 (2) 15 (2) 20 (2) 7. consult your iES Selection Program or local EVAPCO representative. Dimensions are subject to change.5 (2) 10 (2) 15 (2) 10 (2) 15 (2) 15 (2) 20 (2) 25 13810 13870 14400 14010 14540 15120 15220 15940 16550 16610 16140 17270 16750 17410 16850 17570 Air Flow (CFM) 81. AT 29-318 AT 29-418 AT 29-518 AT 29-618 AT 29-718 AT 29-818 AT 29-918 AT 29-121 AT 29-221 AT 29-321 AT 29-421 AT 29-521 AT 29-621 AT 29-721 AT 29-821 AT 29-921 Dimensions Shipping Operating Heaviest Section Fan Motor (HP) 7920 7980 8510 8120 8650 9230 9330 9000 9610 9670 9200 10330 9810 10470 9910 10630 U 5370 U 5430 U 5960 U 5570 U 6100 U 6680 U 6780 U 6210 U 6820 U 6880 U 6410 U 7540 U 7020 U 7680 U 7120 U 7840 (2) 7.800 90.5 (2) 10 (2) 10 (2) 15 (2) 15 (2) 15 (2) 20 (2) 7.600 97.100 98.400 107.800 88.500 99.800 AT/USS H 10' 10' 11' 10' 11' 12' 12' 10' 11' 11' 10' 12' 11' 12' 11' 12' 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" T 5' 5' 6' 5' 6' 7' 7' 5' 6' 6' 5' 7' 6' 7' 6' 7' 11-5/8" 11-5/8" 11-5/8" 11-5/8" 11-5/8" 11-5/8" 11-5/8" 11-5/8" 11-5/8" 11-5/8" 11-5/8" 11-5/8" 11-5/8" 11-5/8" 11-5/8" 11-5/8" B 5' 5' 5' 5' 5' 5' 5' 5' 5' 5' 5' 5' 5' 5' 5' 5' 1/4" 1/4" 1/4" 1/4" 1/4" 1/4" 1/4" 1/4" 1/4" 1/4" 1/4" 1/4" 1/4" 1/4" 1/4" 1/4" P 8' 3-1/2" 8' 3-1/2" 9' 3-1/2" 8' 3-1/2" 9' 3-1/2" 10' 3-1/2" 10' 3-1/2" 8' 3-1/2" 9' 3-1/2" 9' 3-1/2" 8' 3-1/2" 10' 3-1/2" 9' 3-1/2" 10' 3-1/2" 9' 3-1/2" 10' 3-1/2" 18' 18' 18' 18' 18' 18' 18' 21' 21' 21' 21' 21' 21' 21' 21' 21' UT F† L 0" 0" 0" 0" 0" 0" 0" 0" 0" 0" 0" 0" 0" 0" 0" 0" 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 7/8" 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' S&Q 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" 9-7/8" NOTE: (1) An adequately sized bleed line must be installed in the cooling tower system to prevent build-up of impurities in the recirculated water. Consult the factory for details.E NGINEERING D ATA & D IMENSIONS MODELS: AT/UT/USS 29-318 to 29-921 Swing Out Radius of Motor Cover Two-Cell Cooling Towers 30 5/8 30 5/8 ACCESS DOOR ACCESS DOOR ACCESS DOOR ACCESS DOOR 21 3/8 F (2) 8 BFW/GVD INLET T Q Q 2 H P 2 MPT MAKE-UP B (2) 8 BFW/GVD OUTLET 3 FPT OVERFLOW 23 1/8 3 FPT DRAIN 9 14 7/8 5 3/8 7 1/2 8' 5-1/2" 3/8 ✦ S S 3 7/8 L L = Lower Section U = Upper Section Weights (LBS) Model No.900 89.700 123.000 100. ✦ Outlet connection extends 3/8” beyond bottom flange. (3) Connections larger than 3” are Beveled for Welding (BFW) and grooved for a mechanical coupling.5 (2) 7. † Height includes fan guard which ships factory mounted.200 102. (5) These models are available as (2) independent operating cells with the addition of a water tight basin partition.500 112. (2) Do not use catalog drawings for certified prints.000 129. 51 4' 4' 4' 4' 4' 4' 4' 5' 5' 5' 5' 5' 5' 5' 5' 5' 5-3/4" 5-3/4" 5-3/4" 5-3/4" 5-3/4" 5-3/4" 5-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" . (4) Adequate spacing must be allowed for access to the cooling tower.200 114.600 91.500 110. Motor Hp AT 29-024 AT 29-124 AT 29-224 AT 29-324 AT 29-424 AT 29-524 AT 29-624 AT 29-724 AT 29-824 AT 29-924 AT 29-228 AT 29-328 AT 29-428 AT 29-528 AT 29-628 AT 29-728 AT 29-828 AT 29-928 (2) 10 (2) 10 (2) 20 (2) 15 (2) 15 (2) 20 (2) 20 (2) 25 (2) 25 (2) 30 (2) 15 (2) 25 (2) 20 (2) 20 (2) 25 (2) 25 (2) 30 (2) 30 Model No. consult your iES Selection Program or local EVAPCO representative. 52 † Mark owned by the Cooling Technology Institute .T HERMAL P ERFORMANCE MODELS: AT/UT/USS 29-024 to 29-928 Model No. Read horizontally to the left to find the model number of the unit that will perform the duty. For selections and conditions other than those stated. Motor Hp AT 29-024 AT 29-124 AT 29-224 AT 29-324 AT 29-424 AT 29-524 AT 29-624 AT 29-724 AT 29-824 AT 29-924 AT 29-228 AT 29-328 AT 29-428 AT 29-528 AT 29-628 AT 29-728 AT 29-828 AT 29-928 (2) 10 (2) 10 (2) 20 (2) 15 (2) 15 (2) 20 (2) 20 (2) 25 (2) 25 (2) 30 (2) 15 (2) 25 (2) 20 (2) 20 (2) 25 (2) 25 (2) 30 (2) 30 EWT LWT WB 90° 80° 66° 1973 2022 2204 2205 2253 2414 2478 2569 2642 2724 2457 2662 2687 2760 2895 2985 3055 3148 EWT LWT WB 95° 85° 76° 1746 1805 1943 1962 2013 2153 2215 2297 2363 2436 2180 2350 2393 2467 2585 2669 2731 2815 † Thermal performance certified by the Cooling Technology Institute (CTI) in accordance with CTI Standard STD-201 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 95° 90° 95° 90° 95° 90° 95° 95° 80° 80° 80° 80° 80° 80° 80° 85° 66° 68° 68° 70° 70° 72° 72° 75° 1556 1627 1722 1756 1817 1936 2001 2068 2135 2201 1947 2086 2146 2228 2325 2411 2461 2544 1849 1903 2062 2072 2121 2272 2334 2420 2489 2566 2306 2493 2526 2599 2726 2812 2877 2965 1465 1545 1617 1658 1726 1831 1902 1960 2029 2092 1838 1962 2029 2116 2202 2291 2333 2417 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 100° 95° 97° 100° 102° 95° 96° 100° 85° 85° 87° 85° 85° 85° 86° 85° 76° 78° 78° 78° 78° 80° 80° 80° 102° 85° 80° 1387 1471 1529 1574 1647 1742 1815 1866 1938 1998 1742 1854 1927 2020 2094 2188 2222 2309 1828 1883 2038 2050 2099 2248 2310 2395 2463 2539 2281 2465 2499 2572 2698 2783 2848 2935 1518 1592 1677 1714 1778 1891 1958 2021 2089 2154 1900 2033 2095 2179 2272 2360 2406 2489 1433 1515 1581 1624 1694 1795 1867 1923 1992 2054 1800 1918 1988 2077 2158 2250 2288 2374 1845 1899 2057 2067 2116 2267 2329 2414 2483 2560 2300 2487 2520 2593 2720 2805 2871 2959 1626 1693 1803 1832 1890 2016 2080 2153 2219 2287 2034 2185 2239 2316 2421 2506 2561 2644 1211 1310 1332 1386 1472 1542 1627 1656 1738 1793 1529 1619 1700 1809 1856 1962 1974 2072 1280 1373 1408 1460 1542 1620 1701 1739 1816 1874 1613 1711 1791 1892 1949 2050 2071 2165 1473 1551 1626 1666 1733 1840 1910 1969 2037 2101 1847 1972 2039 2125 2212 2301 2343 2428 1416 1499 1562 1605 1676 1775 1848 1902 1972 2033 1779 1894 1965 2056 2134 2227 2264 2350 1234 1331 1358 1410 1496 1568 1652 1684 1764 1820 1558 1649 1731 1837 1887 1991 2007 2103 1129 1234 1237 1296 1389 1445 1539 1557 1644 1697 1425 1507 1593 1708 1742 1856 1856 1960 100° 85° 75° 1592 1661 1764 1795 1855 1977 2042 2112 2178 2246 1992 2137 2194 2273 2375 2460 2513 2595 1002 1118 1094 1156 1261 1296 1400 1401 1500 1550 1269 1337 1423 1552 1567 1690 1671 1790 1278 1371 1406 1458 1540 1617 1699 1737 1814 1871 1611 1708 1789 1889 1947 2048 2068 2162 To Make a Selection: Locate the column with the desired operating temperature conditions. Read down the column until you find the GPM equal to or greater than the flow required. AT 29-024 AT 29-124 AT 29-224 AT 29-324 AT 29-424 AT 29-524 AT 29-624 AT 29-724 AT 29-824 AT 29-924 AT 29-228 AT 29-328 AT 29-428 AT 29-528 AT 29-628 AT 29-728 AT 29-828 AT 29-928 Dimensions Fan Heaviest Motor Shipping Operating Section (HP) 10920 11700 10440 11080 11860 11160 11940 11200 11980 12020 12180 11480 12260 13160 12300 13200 12340 13240 18640 19420 18160 18800 19580 18880 19660 18920 19700 19740 21200 20500 21280 22180 21320 22220 21360 22260 U 3820 U 4210 U 3580 U 3900 U 4290 U 3940 U 4330 U 3960 U 4350 U 4370 U 4200 U 3850 U 4240 U 4690 U 4260 U 4710 U 4280 U 4730 (2) 10 (2) 10 (2) 20 (2) 15 (2) 15 (2) 20 (2) 20 (2) 25 (2) 25 (2) 30 (2) 15 (2) 25 (2) 20 (2) 20 (2) 25 (2) 25 (2) 30 (2) 30 Air Flow (CFM) H T B P 107.600 150.700 134.200 137. (5) These models are available as (2) independent operating cells with the addition of a flume plate. (2) Do not use catalog drawings for certified prints.000 171.300 161. ✦ Outlet connection extends 3/8” beyond bottom flange.000 122. Consult the factory for details.800 164. 53 .100 132.100 144. (3) Connections larger than 3” are Beveled for Welding (BFW) and grooved for a mechanical coupling.000 141.200 11' 11-7/8" 12' 11-7/8" 10' 11-7/8" 11' 11-7/8" 12' 11-7/8" 11' 11-7/8" 12' 11-7/8" 11' 11-7/8" 12' 11-7/8" 12' 11-7/8" 12' 5-7/8" 11' 5-7/8" 12' 5-7/8" 13' 5-7/8" 12' 5-7/8" 13' 5-7/8" 12' 5-7/8" 13' 5-7/8" 6' 11-5/8" 7' 11-5/8" 5' 11-5/8" 6' 11-5/8" 7' 11-5/8" 6' 11-5/8" 7' 11-5/8" 6' 11-5/8" 7' 11-5/8" 7' 11-5/8" 6' 11-5/8" 5' 11-5/8" 6' 11-5/8" 7' 11-5/8" 6' 11-5/8" 7' 11-5/8" 6' 11-5/8" 7' 11-5/8" 5' 1/4" 5' 1/4" 5' 1/4" 5' 1/4" 5' 1/4" 5' 1/4" 5' 1/4" 5' 1/4" 5' 1/4" 5' 1/4" 5' 6-1/4" 5' 6-1/4" 5' 6-1/4" 5' 6-1/4" 5' 6-1/4" 5' 6-1/4" 5' 6-1/4" 5' 6-1/4" 9' 3-1/2" 10' 3-1/2" 8' 3-1/2" 9' 3-1/2" 10' 3-1/2" 9' 3-1/2" 10' 3-1/2" 9' 3-1/2" 10' 3-1/2" 10' 3-1/2" 9' 9-1/2" 8' 9-1/2" 9' 9-1/2" 10' 9-1/2" 9' 9-1/2" 10' 9-1/2" 9' 9-1/2" 10' 9-1/2" AT/USS F† L 24' 24' 24' 24' 24' 24' 24' 24' 24' 24' 28' 28' 28' 28' 28' 28' 28' 28' UT 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 1' 7/8" 1' 7/8" 1' 7/8" 1' 7/8" 1' 7/8" 1' 7/8" 1' 7/8" 1' 7/8" 1' 7/8" 1' 7/8" 1' 7/8" 1' 7/8" 1' 7/8" 1' 7/8" 1' 7/8" 1' 7/8" 1' 7/8" 1' 7/8" 2' 9-7/8" 2' 9-7/8" 2' 9-7/8" 2' 9-7/8" 2' 9-7/8" 2' 9-7/8" 2' 9-7/8" 2' 9-7/8" 2' 9-7/8" 2' 9-7/8" 2' 9-7/8" 2' 9-7/8" 2' 9-7/8" 2' 9-7/8" 2' 9-7/8" 2' 9-7/8" 2' 9-7/8" 2' 9-7/8" M N S&Q 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 13' 11-3/4" 13' 11-3/4" 13' 11-3/4" 13' 11-3/4" 13' 11-3/4" 13' 11-3/4" 13' 11-3/4" 13' 11-3/4" 11' 2-3/4" 11' 2-3/4" 11' 2-3/4" 11' 2-3/4" 11' 2-3/4" 11' 2-3/4" 11' 2-3/4" 11' 2-3/4" 11' 2-3/4" 11' 2-3/4" 13' 2-3/4" 13' 2-3/4" 13' 2-3/4" 13' 2-3/4" 13' 2-3/4" 13' 2-3/4" 13' 2-3/4" 13' 2-3/4" 5' 11-7/8" 5' 11-7/8" 5' 11-7/8" 5' 11-7/8" 5' 11-7/8" 5' 11-7/8" 5' 11-7/8" 5' 11-7/8" 5' 11-7/8" 5' 11-7/8" 6' 11-7/8" 6' 11-7/8" 6' 11-7/8" 6' 11-7/8" 6' 11-7/8" 6' 11-7/8" 6' 11-7/8" 6' 11-7/8" NOTE: (1) An adequately sized bleed line must be installed in the cooling tower system to prevent build-up of impurities in the recirculated water.600 159.700 150. Dimensions are subject to change.900 106.200 168. † Height includes fan guard which ships factory mounted.600 148.100 137.E NGINEERING D ATA & D IMENSIONS MODELS: AT/UT/USS 29-024 to 29-928 Swing Out Radius of Motor Cover Two-Cell Cooling Towers 30 5/8 30 5/8 ACCESS DOOR ACCESS DOOR 21 3/8 F ACCESS DOOR ACCESS DOOR (2) 8 BFW/GVD INLET T Q 2 H P B (2) 8 BFW/GVD OUTLET (2) 3 FPT OVERFLOW (2) 3 FPT DRAIN 23 1/8 S 14 7/8 (2) 2 MPT MAKE-UP N 7 1/2 5 3/8 3 7/8 M 8' 5-1/2" 3/8 2 1/2 ✦ L L = Lower Section U = Upper Section Weights (LBS) Model No.600 120. (4) Adequate spacing must be allowed for access to the cooling tower. T HERMAL P ERFORMANCE MODELS: AT/UT/USS 39-336 to 39-942 Model No. 54 † Mark owned by the Cooling Technology Institute . For selections and conditions other than those stated. Read down the column until you find the GPM equal to or greater than the flow required. Motor Hp AT 39-336 AT 39-436 AT 39-536 AT 39-636 AT 39-736 AT 39-836 AT 39-936 AT 39-242 AT 39-342 AT 39-442 AT 39-542 AT 39-642 AT 39-742 AT 39-842 AT 39-942 (3) 10 (3)15 (3) 20 (3) 15 (3) 20 (3) 25 (3) 30 (3) 10 (3) 15 (3) 10 (3) 25 (3) 25 (3) 25 (3) 30 (3) 30 Model No. Read horizontally to the left to find the model number of the unit that will perform the duty. consult your iES Selection Program or local EVAPCO representative. Motor Hp AT 39-336 AT 39-436 AT 39-536 AT 39-636 AT 39-736 AT 39-836 AT 39-936 AT 39-242 AT 39-342 AT 39-442 AT 39-542 AT 39-642 AT 39-742 AT 39-842 AT 39-942 (3) 10 (3) 15 (3) 20 (3) 15 (3) 20 (3) 25 (3) 30 (3) 10 (3) 15 (3) 10 (3) 25 (3) 25 (3) 25 (3) 30 (3) 30 EWT LWT WB 90° 80° 66° 2755 3044 3323 3325 3638 3873 4105 3049 3365 3373 3971 4321 4456 4560 4699 EWT LWT WB 95° 85° 76° 2404 2670 2931 2957 3247 3462 3672 2655 2940 3010 3506 3858 3984 4077 4203 † Thermal performance certified by the Cooling Technology Institute (CTI) in accordance with CTI Standard STD-201 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 95° 90° 95° 90° 95° 90° 95° 95° 80° 80° 80° 80° 80° 80° 80° 85° 66° 68° 68° 70° 70° 72° 72° 75° 2115 2358 2599 2648 2919 3118 3318 2330 2591 2712 3112 3469 3599 3673 3797 2564 2842 3110 3125 3425 3648 3867 2832 3132 3174 3720 4069 4197 4295 4427 1980 2211 2441 2501 2762 2955 3153 2174 2427 2569 2925 3285 3420 3481 3609 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 100° 95° 97° 100° 102° 95° 96° 100° 85° 85° 87° 85° 85° 85° 86° 85° 76° 78° 78° 78° 78° 80° 80° 80° 102° 85° 80° 1861 2086 2308 2375 2627 2814 3012 2045 2286 2445 2765 3124 3266 3316 3447 2531 2806 3074 3091 3389 3610 3827 2796 3093 3140 3677 4027 4154 4251 4381 2057 2296 2530 2586 2852 3048 3247 2262 2520 2651 3033 3391 3522 3590 3716 1931 2160 2386 2450 2707 2899 3096 2121 2372 2519 2860 3220 3358 3415 3543 2557 2834 3102 3117 3417 3639 3858 2824 3123 3166 3710 4059 4188 4285 4416 2222 2473 2721 2763 3040 3245 3448 2449 2721 2821 3258 3613 3741 3822 3946 1600 1807 2012 2091 2326 2498 2703 1750 1974 2174 2413 2768 2928 2944 3092 1706 1916 2126 2203 2443 2623 2824 1863 2096 2281 2550 2908 3061 3090 3231 1992 2224 2453 2513 2775 2969 3167 2186 2441 2580 2941 3301 3435 3497 3624 1905 2132 2357 2422 2677 2868 3065 2092 2341 2491 2825 3184 3324 3379 3507 1635 1843 2050 2128 2365 2540 2743 1788 2017 2209 2458 2815 2972 2994 3139 1480 1677 1869 1956 2181 2349 2558 1611 1824 2048 2245 2598 2770 2768 2926 100° 85° 75° 2170 2417 2661 2707 2981 3184 3385 2392 2659 2769 3187 3544 3673 3750 3874 1286 1474 1653 1745 1957 2114 2336 1397 1595 1852 1991 2335 2522 2493 2671 1702 1913 2122 2199 2440 2619 2821 1860 2092 2277 2546 2904 3057 3086 3227 To Make a Selection: Locate the column with the desired operating temperature conditions. Dimensions are subject to change.200 11' 5-7/8" 11' 5-7/8" 11' 5-7/8" 12' 5-7/8" 12' 5-7/8" 12' 5-7/8" 13' 5-7/8" 11' 5-7/8" 11' 5-7/8" 13' 5-7/8" 11' 5-7/8" 12' 5-7/8" 13' 5-7/8" 12' 5-7/8" 13' 5-7/8" 5' 11-5/8" 5' 11-5/8" 5' 11-5/8" 6' 11-5/8" 6' 11-5/8" 6' 11-5/8" 7' 11-5/8" 5' 11-5/8" 5' 11-5/8" 7' 11-5/8" 5' 11-5/8" 6' 11-5/8" 7' 11-5/8" 6' 11-5/8" 7' 11-5/8" 5' 6-1/4" 5' 6-1/4" 5' 6-1/4" 5' 6-1/4" 5' 6-1/4" 5' 6-1/4" 5' 6-1/4" 5' 6-1/4" 5' 6-1/4" 5' 6-1/4" 5' 6-1/4" 5' 6-1/4" 5' 6-1/4" 5' 6-1/4" 5' 6-1/4" 8' 9-1/2" 8' 9-1/2" 8' 9-1/2" 9' 9-1/2" 9' 9-1/2" 9' 9-1/2" 10' 9-1/2" 8' 9-1/2" 8' 9-1/2" 10' 9-1/2" 8' 9-1/2" 9' 9-1/2" 10' 9-1/2" 9' 9-1/2" 10' 9-1/2" 36' 4-1/4" 36' 4-1/4" 36' 4-1/4" 36' 4-1/4" 36' 4-1/4" 36' 4-1/4" 36' 4-1/4" 42' 4-1/4" 42' 4-1/4" 42' 4-1/4" 42' 4-1/4" 42' 4-1/4" 42' 4-1/4" 42' 4-1/4" 42' 4-1/4" AT/USS UT F† 1' 7/8" 1' 7/8" 1' 7/8" 1' 7/8" 1' 7/8" 1' 7/8" 1' 7/8" 1' 7/8" 1' 7/8" 1' 7/8" 1' 7/8" 1' 7/8" 1' 7/8" 1' 7/8" 1' 7/8" 2' 9-7/8" 2' 9-7/8" 2' 9-7/8" 2' 9-7/8" 2' 9-7/8" 2' 9-7/8" 2' 9-7/8" 2' 9-7/8" 2' 9-7/8" 2' 9-7/8" 2' 9-7/8" 2' 9-7/8" 2' 9-7/8" 2' 9-7/8" 2' 9-7/8" M N S&Q 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 13' 11-3/4" 13' 11-3/4" 13' 11-3/4" 13' 11-3/4" 13' 11-3/4" 11' 2-3/4" 11' 2-3/4" 11' 2-3/4" 11' 2-3/4" 11' 2-3/4" 11' 2-3/4" 11' 2-3/4" 11' 2-3/4" 11' 2-3/4" 11' 2-3/4" 13' 2-3/4" 13' 2-3/4" 13' 2-3/4" 13' 2-3/4" 13' 2-3/4" 5' 11-7/8" 5' 11-7/8" 5' 11-7/8" 5' 11-7/8" 5' 11-7/8" 5' 11-7/8" 5' 11-7/8" 5' 11-7/8" 5' 11-7/8" 5' 11-7/8" 6' 11-7/8" 6' 11-7/8" 6' 11-7/8" 6' 11-7/8" 6' 11-7/8" NOTE: (1) An adequately sized bleed line must be installed in the cooling tower system to prevent build-up of impurities in the recirculated water.200 184.700 251.300 177.900 202. AT 39-336 AT 39-436 AT 39-536 AT 39-636 AT 39-736 AT 39-836 AT 39-936 AT 39-242 AT 39-342 AT 39-442 AT 39-542 AT 39-642 AT 39-742 AT 39-842 AT 39-942 Dimensions Fan Heaviest Motor Shipping Operating Section (HP) 15390 15630 15750 16710 16830 16890 18120 16770 17010 19350 17190 18420 19770 18480 19830 26970 27210 27330 28290 28410 28470 29700 30300 30540 32880 30720 31950 33300 32010 33360 U 3460 U 3540 U 3580 U 3900 U 3940 U 3960 U 4370 U 3710 U 3790 U 4570 U 3850 U 4260 U 4710 U 4280 U 4730 (3) 10 (3) 15 (3) 20 (3) 15 (3) 20 (3) 25 (3) 30 (3) 10 (3) 15 (3) 10 (3) 25 (3) 25 (3) 25 (3) 30 (3) 30 Air Flow (CFM) H T B P L 165.300 237. Consult the factory for details. (4) Adequate spacing must be allowed for access to the cooling tower.200 188. ✦ Outlet connection extends 3/8” beyond bottom flange.E NGINEERING D ATA & D IMENSIONS MODELS: AT/UT/USS 39-336 to 39-942 Three-Cell Cooling Towers Swing Out Radius of Motor Cover 30 5/8 30 5/8 30 5/8 ACCESS DOOR ACCESS DOOR ACCESS DOOR 21 3/8 F ACCESS DOOR ACCESS DOOR (3) 8 BFW/GVD INLET T ACCESS DOOR Q 2 H P B (3) 8 BFW/GVD OUTLET 14 7/8 (3) 3 FPT DRAIN S 7 1/2 5 3/8 M 3/8 (3) 2 MPT MAKE-UP N 3 7/8 8' 5-1/2" (3) 3 FPT OVERFLOW 9 5 3/8 23 1/8 2 1/2 ✦ L L = Lower Section U = Upper Section Weights (LBS) Model No.200 217.200 206.700 209.200 241. (2) Do not use catalog drawings for certified prints. (5) These models are available as (3) independent operating cells with the addition of a flume plate.200 183.100 226.900 246.400 255. † Height includes fan guard which ships factory mounted. 55 . (3) Connections larger than 3” are Beveled for Welding (BFW) and grooved for a mechanical coupling. Read horizontally to the left to find the model number of the unit that will perform the duty. consult your iES Selection Program or local EVAPCO representative. Motor Hp AT 110-112 AT 110-212 AT 110-312 AT 110-412 AT 110-512 AT 110-612 AT 110-712 AT 110-812 AT 110-912 AT 110-118 AT 110-218 AT 110-318 AT 110-418 AT 110-518 AT 110-618 AT 110-718 AT 110-818 AT 110-918 (1) 15 (1) 25 (1) 20 (1) 30 (1) 25 (1) 25 (1) 30 (1) 30 (1) 35 (1) 20 (1) 15 (1) 20 (1) 30 (1) 25 (1) 30 (1) 30 (1) 40 (1) 40 EWT LWT WB 90° 80° 66° 1200 1284 1302 1342 1384 1417 1452 1490 1556 1569 1608 1708 1772 1828 1926 1984 2096 2163 EWT LWT WB 95° 85° 76° 1064 1132 1159 1186 1234 1267 1297 1333 1391 1368 1434 1510 1553 1621 1713 1773 1869 1934 † Thermal performance certified by the Cooling Technology Institute (CTI) in accordance with CTI Standard STD-201 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 95° 90° 95° 90° 95° 90° 95° 95° 80° 80° 80° 80° 80° 80° 80° 85° 66° 68° 68° 70° 70° 72° 72° 75° 950 1004 1038 1053 1108 1144 1167 1204 1257 1202 1289 1345 1371 1447 1533 1600 1679 1747 1127 1202 1224 1257 1302 1334 1368 1404 1465 1459 1512 1599 1653 1715 1810 1868 1972 2037 897 943 980 991 1048 1087 1105 1144 1195 1122 1220 1265 1285 1366 1447 1520 1588 1660 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 100° 95° 97° 100° 102° 95° 96° 100° 85° 85° 87° 85° 85° 85° 86° 85° 76° 78° 78° 78° 78° 80° 80° 80° 102° 85° 80° 849 891 931 936 997 1038 1051 1093 1141 1055 1161 1198 1213 1294 1374 1450 1510 1585 1114 1188 1211 1243 1288 1321 1353 1389 1450 1440 1496 1581 1632 1697 1790 1849 1951 2016 927 977 1013 1026 1082 1120 1140 1178 1230 1168 1259 1310 1335 1412 1496 1566 1640 1709 877 922 960 969 1027 1067 1083 1123 1173 1095 1197 1237 1256 1337 1417 1492 1556 1629 1124 1199 1221 1254 1299 1331 1364 1401 1462 1454 1509 1595 1648 1711 1805 1864 1967 2033 993 1051 1083 1103 1155 1189 1215 1251 1306 1262 1344 1405 1438 1512 1599 1664 1749 1816 743 776 820 818 881 930 932 980 1024 905 1031 1044 1050 1134 1209 1297 1335 1420 786 821 864 864 926 972 979 1024 1070 964 1082 1103 1113 1198 1273 1358 1403 1484 901 947 985 996 1053 1092 1111 1149 1200 1129 1226 1271 1292 1372 1454 1526 1595 1667 867 910 949 957 1016 1056 1071 1112 1161 1080 1184 1223 1239 1321 1401 1476 1539 1613 758 791 834 833 897 944 947 994 1039 925 1048 1064 1071 1156 1230 1317 1359 1441 693 721 767 762 826 879 875 927 968 837 970 972 973 1058 1129 1223 1251 1343 100° 85° 75° 972 1028 1061 1079 1133 1167 1192 1228 1282 1233 1317 1376 1405 1481 1567 1633 1715 1782 616 637 685 676 739 799 787 844 884 724 877 863 856 941 1008 1110 1121 1221 785 819 862 863 925 971 977 1023 1068 962 1080 1102 1111 1196 1271 1356 1401 1482 To Make a Selection: Locate the column with the desired operating temperature conditions. Read down the column until you find the GPM equal to or greater than the flow required. 56 † Mark owned by the Cooling Technology Institute . For selections and conditions other than those stated. Motor Hp AT 110-112 AT 110-212 AT 110-312 AT 110-412 AT 110-512 AT 110-612 AT 110-712 AT 110-812 AT 110-912 AT 110-118 AT 110-218 AT 110-318 AT 110-418 AT 110-518 AT 110-618 AT 110-718 AT 110-818 AT 110-918 (1) 15 (1) 25 (1) 20 (1) 30 (1) 25 (1) 25 (1) 30 (1) 30 (1) 35 (1) 20 (1) 15 (1) 20 (1) 30 (1) 25 (1) 30 (1) 30 (1) 40 (1) 40 Model No.T HERMAL P ERFORMANCE MODELS: AT/UT/USS 110-112 to 110-918 Model No. 700 117.500 122. † Height does not include fan guard which ships loose.700 105.200 94.000 AT/USS H 13' 12' 13' 12' 13' 14' 13' 14' 14' 12' 14' 13' 12' 13' 13' 14' 13' 14' T 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 7' 6' 7' 6' 7' 8' 7' 8' 8' 6' 8' 7' 6' 7' 7' 8' 7' 8' 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" B 5' 5' 5' 5' 5' 5' 5' 5' 5' 5' 5' 5' 5' 5' 5' 5' 5' 5' 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" P L 9' 1" 8' 1" 9' 1" 8' 1" 9' 1" 10' 1" 9' 1" 10' 1" 10' 1" 8' 0" 10' 0" 9' 0" 8' 0" 9' 0" 9' 0" 10' 0" 9' 0" 10' 0" 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 18' 0" 18' 0" 18' 0" 18' 0" 18' 0" 18' 0" 18' 0" 18' 0" 18' 0" UT† S&Q F 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4"† 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' NOTE: (1) An adequately sized bleed line must be installed in the cooling tower system to prevent build-up of impurities in the recirculated water.800 107.000 113.600 92.000 83.700 85. (4) Adequate spacing must be allowed for access to the cooling tower. 57 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 5' 5' 5' 5' 5' 5' 5' 5' 5' 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 9' 0" 9' 0" 9' 0" 9' 0" 9' 0" 9' 0" 9' 0" 9' 0" 9' 0" . AT 110-112 AT 110-212 AT 110-312 AT 110-412 AT 110-512 AT 110-612 AT 110-712 AT 110-812 AT 110-912 AT 110-118 AT 110-218 AT 110-318 AT 110-418 AT 110-518 AT 110-618 AT 110-718 AT 110-818 AT 110-918 Heaviest Shipping Operating Section 6840 6460 6890 6560 6940 7360 7040 7460 7710 8910 10180 9600 9060 9650 9750 10380 10000 10630 12380 12000 12430 12100 12480 12900 12580 13000 13250 17320 18590 18010 17470 18060 18160 18790 18410 19040 U 4750 U 4370 U 4800 U 4470 U 4850 U 5270 U 4950 U 5370 U 5620 U 5760 U 7030 U 6450 U 5910 U 6500 U 6600 U 7230 U 6850 U 7480 Dimensions Fan Motor (HP) Air Flow (CFM) 15 25 20 30 25 25 30 30 35 20 15 20 30 25 30 30 40 40 72.000 91.100 119.800 131.500 79. (3) Connections larger than 3” are Beveled for Welding (BFW) and grooved for a mechanical coupling.E NGINEERING D ATA & D IMENSIONS MODELS: AT/UT/USS 110-112 to 110-918 Access Doors Swing Inside Unit ACCESS DOOR One-Cell Cooling Towers *110-112 thru 110-912 (1) 8" Inlet (1) 8" Outlet *110-118 thru 110-918 (1) 10" Inlet (1) 10" Outlet 7 F ACCESS DOOR T 2 * BFW/GVD INLET Q H P 2 MPT MAKE-UP B * BFW/GVD OUTLET 3 FPT OVERFLOW 25 1/4 16 7/8 3 FPT DRAIN 5 1/4 7 1/4 9 3 5/8 3/8 9' 9-3/4" S ✦ L L = Lower Section U = Upper Section Weights (LBS) Model No. (2) Do not use catalog drawings for certified prints. ✦ Outlet connection extends 3/8” beyond bottom flange.200 129. Dimensions are subject to change.300 86.700 89.800 88. Motor Hp AT 210-124 AT 210-224 AT 210-324 AT 210-424 AT 210-524 AT 210-624 AT 210-724 AT 210-824 AT 210-924 AT 210-136 AT 210-236 AT 210-336 AT 210-436 AT 210-536 AT 210-636 AT 210-736 AT 210-836 AT 210-936 (2) 15 (2) 25 (2) 20 (2) 30 (2) 25 (2) 25 (2) 30 (2) 30 (2) 35 (2) 20 (2) 15 (2) 20 (2) 30 (2) 25 (2) 30 (2) 30 (2) 40 (2) 40 Model No.T HERMAL P ERFORMANCE MODELS: AT/UT/USS 210-124 to 210-936 Model No. Read horizontally to the left to find the model number of the unit that will perform the duty. Motor Hp AT 210-124 AT 210-224 AT 210-324 AT 210-424 AT 210-524 AT 210-624 AT 210-724 AT 210-824 AT 210-924 AT 210-136 AT 210-236 AT 210-336 AT 210-436 AT 210-536 AT 210-636 AT 210-736 AT 210-836 AT 210-936 (2) 15 (2) 25 (2) 20 (2) 30 (2) 25 (2) 25 (2) 30 (2) 30 (2) 35 (2) 20 (2) 15 (2) 20 (2) 30 (2) 25 (2) 30 (2) 30 (2) 40 (2) 40 EWT LWT WB 90° 80° 66° 2401 2569 2604 2684 2768 2834 2905 2981 3111 3138 3215 3415 3543 3655 3852 3968 4191 4326 EWT LWT WB 95° 85° 76° 2128 2265 2317 2371 2468 2533 2594 2665 2782 2736 2867 3020 3106 3242 3425 3546 3738 3868 † Thermal performance certified by the Cooling Technology Institute (CTI) in accordance with CTI Standard STD-201 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 95° 90° 95° 90° 95° 90° 95° 95° 80° 80° 80° 80° 80° 80° 80° 85° 66° 68° 68° 70° 70° 72° 72° 75° 1900 2008 2075 2106 2217 2288 2333 2408 2514 2403 2578 2690 2742 2894 3065 3201 3358 3494 2253 2404 2448 2514 2604 2669 2735 2808 2931 2917 3025 3199 3306 3431 3619 3736 3944 4075 1793 1885 1961 1981 2096 2174 2211 2288 2389 2245 2440 2530 2571 2732 2894 3039 3175 3319 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 100° 95° 97° 100° 102° 95° 96° 100° 85° 85° 87° 85° 85° 85° 86° 85° 76° 78° 78° 78° 78° 80° 80° 80° 102° 85° 80° 1697 1782 1861 1873 1993 2075 2102 2185 2282 2110 2322 2395 2425 2587 2747 2901 3019 3169 2229 2375 2421 2486 2576 2641 2707 2779 2900 2880 2993 3162 3265 3393 3580 3698 3902 4033 1854 1954 2027 2053 2165 2239 2281 2356 2460 2336 2518 2620 2669 2824 2992 3131 3279 3419 1754 1843 1920 1937 2055 2134 2167 2247 2346 2190 2393 2475 2511 2674 2834 2983 3112 3258 2248 2397 2442 2508 2598 2663 2729 2801 2924 2909 3018 3190 3297 3422 3610 3728 3935 4065 1985 2102 2165 2206 2310 2378 2430 2503 2613 2524 2687 2810 2875 3024 3198 3328 3498 3631 1487 1553 1640 1635 1763 1860 1863 1959 2047 1810 2063 2088 2100 2268 2417 2593 2671 2840 1572 1641 1727 1728 1853 1944 1958 2048 2139 1928 2164 2207 2226 2396 2546 2716 2807 2969 1802 1895 1970 1992 2106 2183 2221 2298 2399 2258 2452 2543 2585 2745 2908 3053 3190 3334 1733 1820 1898 1913 2032 2112 2143 2224 2322 2160 2367 2445 2479 2642 2802 2952 3078 3225 1515 1583 1669 1666 1794 1888 1895 1989 2078 1849 2096 2127 2141 2311 2460 2634 2717 2883 1387 1442 1535 1524 1651 1758 1750 1853 1937 1674 1940 1944 1946 2115 2258 2446 2502 2686 100° 85° 75° 1944 2056 2122 2158 2265 2335 2383 2457 2565 2465 2634 2752 2811 2961 3134 3267 3431 3565 1233 1275 1369 1352 1479 1598 1574 1688 1768 1449 1754 1727 1712 1881 2015 2220 2241 2442 1570 1639 1725 1726 1850 1941 1955 2045 2136 1925 2161 2203 2222 2392 2542 2713 2803 2965 To Make a Selection: Locate the column with the desired operating temperature conditions. Read down the column until you find the GPM equal to or greater than the flow required. For selections and conditions other than those stated. consult your iES Selection Program or local EVAPCO representative. 58 † Mark owned by the Cooling Technology Institute . E NGINEERING D ATA & D IMENSIONS MODELS: AT/UT/USS 210-124 to 210-936 Access Doors Swing Inside Unit Two-Cell Cooling Towers ACCESS DOOR ACCESS DOOR *210-124 thru 210-924 (2) 8" Inlet (2) 8" Outlet *210-136 thru 210-936 (2) 10" Inlet (2) 10" Outlet 7 F ACCESS DOOR ACCESS DOOR T 2 (2) * BFW/GVD INLET Q H P B 16 7/8 (2) 3 FPT DRAIN S 7 1/4 N 5 1/4 3 5/8 9' 9-3/4" 3/8 (2) * BFW/GVD OUTLET (2) 3 FPT OVERFLOW (2) 2 MPT MAKE-UP 25 1/4 ✦ M 2 1/2 L L = Lower Section U = Upper Section Weights (LBS) Model No.100 226. Dimensions are subject to change. (4) Adequate spacing must be allowed for access to the cooling tower. AT 210-124 AT 210-224 AT 210-324 AT 210-424 AT 210-524 AT 210-624 AT 210-724 AT 210-824 AT 210-924 AT 210-136 AT 210-236 AT 210-336 AT 210-436 AT 210-536 AT 210-636 AT 210-736 AT 210-836 AT 210-936 Heaviest Shipping Operating Section 13860 13100 13960 13300 14060 14900 14260 15100 15600 18200 20740 19580 18500 19680 19880 21140 20380 21640 24940 24180 25040 24380 25140 25980 25340 26180 26680 35010 37550 36390 35310 36490 36690 37950 37190 38450 U 4750 U 4370 U 4800 U 4470 U 4850 U 5270 U 4950 U 5370 U 5620 U 5760 U 7030 U 6450 U 5910 U 6500 U 6600 U 7230 U 6850 U 7480 Dimensions Fan Motor (HP) Air Flow (CFM) H (2) 15 (2) 25 (2) 20 (2) 30 (2) 25 (2) 25 (2) 30 (2) 30 (2) 35 (2) 20 (2) 15 (2) 20 (2) 30 (2) 25 (2) 30 (2) 30 (2) 40 (2) 40 144.900 176. (3) Connections larger than 3” are Beveled for Welding (BFW) and grooved for a mechanical coupling.600 235.300 239.500 172.300 258. ✦ Outlet connection extends 3/8” beyond bottom flange. (5) These models are available as (2) independent operating cells with the addition of a flume plate. 59 .400 189.400 211.300 183. Consult the factory for details. (2) Do not use catalog drawings for certified prints.600 214.700 167.900 158.900 185.200 179.800 262. † Height does not include fan guard which ships loose.000 244.500 169.100 14' 2" 13' 2" 14' 2" 13' 2" 14' 2" 15' 2" 14' 2" 15' 2" 15' 2" 13' 2" 15' 2" 14' 2" 13' 2" 14' 2" 14' 2" 15' 2" 14' 2" 15' 2"" AT/USS T 7' 6' 7' 6' 7' 8' 7' 8' 8' 6' 8' 7' 6' 7' 7' 8' 7' 8' 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" B 6' 6' 6' 6' 6' 6' 6' 6' 6' 6' 6' 6' 6' 6' 6' 6' 6' 6' 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" P L 10' 1" 9' 1" 10' 1" 9' 1" 10' 1" 11' 1" 10' 1" 11' 1" 11' 1" 9' 0" 11' 0" 10' 0" 9' 0" 10' 0" 10' 0" 11' 0" 10' 0" 11' 0" 24' 2" 24' 2" 24' 2" 24' 2" 24' 2" 24' 2" 24' 2" 24' 2" 24' 2" 36' 2-1/2" 36' 2-1/2" 36' 2-1/2" 36' 2-1/2" 36' 2-1/2" 36' 2-1/2" 36' 2-1/2" 36' 2-1/2" 36' 2-1/2" UT† F 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 3-1/4" 3-1/4" 3-1/4" 3-1/4" 3-1/4" 3-1/4" 3-1/4" 3-1/4" 3-1/4" 3-1/4" 3-1/4" 3-1/4" 3-1/4" 3-1/4" 3-1/4" 3-1/4" 3-1/4" 3-1/4" 3' 3/4" 3' 3/4" 3' 3/4" 3' 3/4" 3' 3/4" 3' 3/4"† 3' 3/4" 3' 3/4"† 3' 3/4"† 3' 3/4" 3' 3/4"† 3' 3/4" 3' 3/4" 3' 3/4" 3' 3/4" 3' 3/4"† 3' 3/4" 3' 3/4"† M N S&Q 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 18' 0" 18' 0" 18' 0" 18' 0" 18' 0" 18' 0" 18' 0" 18' 0" 18' 0" 11' 2-3/4" 11' 2-3/4" 11' 2-3/4" 11' 2-3/4" 11' 2-3/4" 11' 2-3/4" 11' 2-3/4" 11' 2-3/4" 11' 2-3/4" 17' 3" 17' 3" 17' 3" 17' 3" 17' 3" 17' 3" 17' 3" 17' 3" 17' 3" 5' 11-7/8" 5' 11-7/8" 5' 11-7/8" 5' 11-7/8" 5' 11-7/8" 5' 11-7/8" 5' 11-7/8" 5' 11-7/8" 5' 11-7/8" 9' 0" 9' 0" 9' 0" 9' 0" 9' 0" 9' 0" 9' 0" 9' 0" 9' 0" NOTE: (1) An adequately sized bleed line must be installed in the cooling tower system to prevent build-up of impurities in the recirculated water. Read down the column until you find the GPM equal to or greater than the flow required. For selections and conditions other than those stated. Motor Hp AT 310-136 AT 310-236 AT 310-336 AT 310-436 AT 310-536 AT 310-636 AT 310-736 AT 310-836 AT 310-936 AT 310-154 AT 310-254 AT 310-354 AT 310-454 AT 310-554 AT 310-654 AT 310-754 AT 310-854 AT 310-954 (3) 15 (3) 25 (3) 20 (3) 30 (3) 25 (3) 25 (3) 30 (3) 30 (3) 35 (3) 20 (3) 15 (3) 20 (3) 30 (3) 25 (3) 30 (3) 30 (3) 40 (3) 40 Model No. Motor Hp AT 310-136 AT 310-236 AT 310-336 AT 310-436 AT 310-536 AT 310-636 AT 310-736 AT 310-836 AT 310-936 AT 310-154 AT 310-254 AT 310-354 AT 310-454 AT 310-554 AT 310-654 AT 310-754 AT 310-854 AT 310-954 (3) 15 (3) 25 (3) 20 (3) 30 (3) 25 (3) 25 (3) 30 (3) 30 (3) 35 (3) 20 (3) 15 (3) 20 (3) 30 (3) 25 (3) 30 (3) 30 (3) 40 (3) 40 EWT LWT WB 90° 80° 66° 3557 3804 3860 3975 4103 4201 4306 4419 4613 4658 4780 5076 5262 5432 5726 5899 6232 6433 EWT LWT WB 95° 85° 76° 3152 3352 3433 3510 3657 3755 3844 3951 4125 4060 4262 4485 4611 4816 5091 5273 5556 5751 † Thermal performance certified by the Cooling Technology Institute (CTI) in accordance with CTI Standard STD-201 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 95° 90° 95° 90° 95° 90° 95° 95° 80° 80° 80° 80° 80° 80° 80° 85° 66° 68° 68° 70° 70° 72° 72° 75° 2812 2968 3073 3116 3283 3392 3457 3570 3727 3565 3830 3992 4070 4298 4554 4758 4989 5195 3338 3558 3627 3723 3859 3957 4055 4163 4345 4328 4496 4752 4907 5099 5379 5555 5863 6059 2652 2787 2902 2929 3104 3222 3273 3392 3542 3327 3626 3755 3813 4057 4297 4518 4717 4935 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 100° 95° 97° 100° 102° 95° 96° 100° 85° 85° 87° 85° 85° 85° 86° 85° 76° 78° 78° 78° 78° 80° 80° 80° 102° 85° 80° 2510 2633 2755 2769 2950 3076 3113 3239 3383 3128 3450 3555 3597 3840 4080 4312 4484 4711 3300 3515 3587 3681 3818 3916 4013 4120 4300 4273 4449 4698 4846 5042 5320 5498 5800 5996 2743 2889 3000 3036 3205 3319 3379 3493 3647 3463 3742 3889 3959 4194 4443 4655 4871 5083 2595 2725 2842 2864 3042 3163 3208 3330 3478 3246 3556 3673 3725 3969 4209 4435 4624 4844 3329 3548 3618 3714 3850 3947 4045 4153 4335 4316 4486 4740 4893 5086 5365 5543 5849 6045 2938 3109 3206 3262 3422 3526 3601 3710 3873 3744 3993 4174 4267 4491 4751 4948 5199 5399 2197 2292 2425 2416 2607 2756 2758 2903 3034 2681 3065 3097 3113 3363 3588 3853 3964 4222 2323 2426 2555 2554 2742 2881 2897 3035 3171 2855 3214 3273 3300 3556 3779 4037 4169 4413 2666 2802 2916 2945 3118 3236 3289 3407 3557 3346 3643 3774 3833 4077 4318 4538 4739 4956 2563 2692 2810 2828 3008 3130 3173 3296 3442 3202 3516 3629 3677 3921 4161 4389 4572 4795 2238 2339 2468 2462 2653 2798 2804 2947 3080 2738 3114 3155 3174 3428 3651 3914 4035 4285 2049 2129 2267 2249 2442 2603 2588 2747 2871 2474 2881 2881 2881 3137 3348 3635 3714 3991 100° 85° 75° 2877 3041 3142 3191 3356 3461 3531 3642 3802 3657 3914 4087 4171 4398 4655 4856 5099 5300 1820 1879 2024 1995 2185 2367 2326 2500 2618 2143 2605 2560 2536 2789 2986 3298 3324 3628 2320 2422 2551 2550 2738 2877 2893 3031 3167 2850 3210 3268 3294 3551 3773 4032 4163 4408 To Make a Selection: Locate the column with the desired operating temperature conditions. consult your iES Selection Program or local EVAPCO representative. 60 † Mark owned by the Cooling Technology Institute .T HERMAL P ERFORMANCE MODELS: AT/UT/USS 310-136 to 310-954 Model No. Read horizontally to the left to find the model number of the unit that will perform the duty. 600 317. Dimensions are subject to change. (3) Connections larger than 3” are Beveled for Welding (BFW) and grooved for a mechanical coupling.200 260.900 279.000 354.800 AT/USS H 15' 14' 15' 14' 15' 16' 15' 16' 16' 14' 16' 15' 14' 15' 15' 16' 15' 16' T 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 7' 6' 7' 6' 7' 8' 7' 8' 8' 6' 8' 7' 6' 7' 7' 8' 7' 8' B 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 7' 7' 7' 7' 7' 7' 7' 7' 7' 7' 7' 7' 7' 7' 7' 7' 7' 7' 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" P 11' 10' 11' 10' 11' 12' 11' 12' 12' 10' 12' 11' 10' 11' 11' 12' 11' 12' 1" 1" 1" 1" 1" 1" 1" 1" 1" 0" 0" 0" 0" 0" 0" 0" 0" 0" 36' 4-1/4" 36' 4-1/4" 36' 4-1/4" 36' 4-1/4" 36' 4-1/4" 36' 4-1/4" 36' 4-1/4" 36' 4-1/4" 36' 4-1/4" 54' 5" 54' 5" 54' 5" 54' 5" 54' 5" 54' 5" 54' 5" 54' 5" 54' 5" UT† F L 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 1' 3-1/4" 3-1/4" 3-1/4" 3-1/4" 3-1/4" 3-1/4" 3-1/4" 3-1/4" 3-1/4" 3-1/4" 3-1/4" 3-1/4" 3-1/4" 3-1/4" 3-1/4" 3-1/4" 3-1/4" 3-1/4" 3' 3/4" 3' 3/4" 3' 3/4" 3' 3/4" 3' 3/4" 3' 3/4"† 3' 3/4" 3' 3/4"† 3' 3/4"† 3' 3/4" 3' 3/4"† 3' 3/4" 3' 3/4" 3' 3/4" 3' 3/4" 3' 3/4"† 3' 3/4" 3' 3/4"† M N S&Q 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 18' 0" 18' 0" 18' 0" 18' 0" 18' 0" 18' 0" 18' 0" 18' 0" 18' 0" 11' 2-3/4" 11' 2-3/4" 11' 2-3/4" 11' 2-3/4" 11' 2-3/4" 11' 2-3/4" 11' 2-3/4" 11' 2-3/4" 11' 2-3/4" 17' 3" 17' 3" 17' 3" 17' 3" 17' 3" 17' 3" 17' 3" 17' 3" 17' 3" 5' 11-7/8" 5' 11-7/8" 5' 11-7/8" 5' 11-7/8" 5' 11-7/8" 5' 11-7/8" 5' 11-7/8" 5' 11-7/8" 5' 11-7/8" 9' 0" 9' 0" 9' 0" 9' 0" 9' 0" 9' 0" 9' 0" 9' 0" 9' 0" NOTE: (1) An adequately sized bleed line must be installed in the cooling tower system to prevent build-up of impurities in the recirculated water.300 270. ✦ Outlet connection extends 3/8” beyond bottom flange. † Height does not include fan guard which ships loose.100 322. (4) Adequate spacing must be allowed for access to the cooling tower.E NGINEERING D ATA & D IMENSIONS MODELS: AT/UT/USS 310-136 to 310-954 Three-Cell Cooling Towers Access Doors Swing Inside Unit ACCESS DOOR ACCESS DOOR ACCESS DOOR ACCESS DOOR ACCESS DOOR *310-136 thru 110-936 (3) 8" Inlet (3) 8" Outlet *310-154 thru 310-954 (3) 10" Inlet (3) 10" Outlet 7 F ACCESS DOOR T (3) * BFW/GVD INLET Q 2 H P B (3) * BFW/GVD OUTLET 9 25 1/4 (3) 3 FPT OVERFLOW 5 1/4 16 7/8 (3) 3 FPT DRAIN 7 1/4 (3) 2 MPT MAKE-UP S 3 5/8 N 5 1/4 9' 9-3/4" 3/8 M ✦ 2 1/2 L L = Lower Section U = Upper Section Weights (LBS) Model No.000 237.800 340.700 275.700 255.100 360. AT 310-136 AT 310-236 AT 310-336 AT 310-436 AT 310-536 AT 310-636 AT 310-736 AT 310-836 AT 310-936 AT 310-154 AT 310-254 AT 310-354 AT 310-454 AT 310-554 AT 310-654 AT 310-754 AT 310-854 AT 310-954 Heaviest Shipping Operating Section 21030 19890 21180 20190 21330 22590 21630 22890 23640 27270 31080 29340 27720 29490 29790 31680 30540 32430 37650 36510 37800 36810 37950 39210 38250 39510 40260 52490 56300 54560 52940 54710 55010 56900 55760 57650 U 4750 U 4370 U 4800 U 4470 U 4850 U 5270 U 4950 U 5370 U 5620 U 5760 U 7030 U 6450 U 5910 U 6500 U 6600 U 7230 U 6850 U 7480 Dimensions Fan Motor (HP) Air Flow (CFM) (3) 15 (3) 25 (3) 20 (3) 30 (3) 25 (3) 25 (3) 30 (3) 30 (3) 35 (3) 20 (3) 15 (3) 20 (3) 30 (3) 25 (3) 30 (3) 30 (3) 40 (3) 40 217. Consult the factory for details. (2) Do not use catalog drawings for certified prints.100 251.400 265. (5) These models are available as (3) independent operating cells with the addition of a flume plate. 61 .000 366.100 387.300 284.300 394. Read down the column until you find the GPM equal to or greater than the flow required.T HERMAL P ERFORMANCE MODELS: AT/UT/USS 112-012 to 112-914 Model No. For selections and conditions other than those stated. 62 † Mark owned by the Cooling Technology Institute . Read horizontally to the left to find the model number of the unit that will perform the duty. consult your iES Selection Program or local EVAPCO representative. Motor Hp AT 112-012 AT 112-112 AT 112-212 AT 112-312 AT 112-412 AT 112-512 AT 112-612 AT 112-712 AT 112-812 AT 112-912 AT 112-314 AT 112-414 AT 112-514 AT 112-614 AT 112-714 AT 112-814 AT 112-914 15 20 25 20 30 20 25 30 30 40 30 25 25 30 30 40 40 Model No. Motor Hp AT 112-012 AT 112-112 AT 112-212 AT 112-312 AT 112-412 AT 112-512 AT 112-612 AT 112-712 AT 112-812 AT 112-912 AT 112-314 AT 112-414 AT 112-514 AT 112-614 AT 112-714 AT 112-814 AT 112-914 15 20 25 20 30 20 25 30 30 40 30 25 25 30 30 40 40 EWT LWT WB 90° 80° 66° 1339 1448 1544 1558 1625 1602 1667 1762 1827 1953 1780 1818 1876 1926 1992 2094 2176 EWT LWT WB 95° 85° 76° 1169 1271 1361 1385 1435 1432 1486 1574 1633 1747 1567 1617 1677 1716 1780 1871 1946 † Thermal performance certified by the Cooling Technology Institute (CTI) in accordance with CTI Standard STD-201 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 95° 90° 95° 90° 95° 90° 95° 95° 80° 80° 80° 80° 80° 80° 80° 85° 66° 68° 68° 70° 70° 72° 72° 75° 1029 1122 1205 1240 1275 1293 1334 1416 1476 1579 1386 1447 1514 1539 1608 1683 1758 1246 1352 1444 1464 1522 1509 1568 1659 1720 1840 1663 1708 1767 1811 1876 1972 2050 965 1053 1131 1171 1199 1228 1261 1341 1402 1500 1302 1366 1437 1456 1527 1596 1671 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 100° 95° 97° 100° 102° 95° 96° 100° 85° 85° 87° 85° 85° 85° 86° 85° 76° 78° 78° 78° 78° 80° 80° 80° 102° 85° 80° 907 993 1069 1112 1133 1172 1199 1275 1339 1433 1229 1297 1372 1383 1458 1518 1596 1231 1336 1427 1448 1505 1493 1551 1642 1703 1821 1644 1690 1748 1792 1856 1951 2029 1001 1093 1173 1211 1242 1265 1302 1384 1444 1545 1350 1413 1481 1503 1573 1645 1721 942 1029 1106 1147 1172 1205 1236 1314 1377 1473 1273 1338 1411 1427 1499 1564 1641 1242 1349 1440 1460 1518 1505 1564 1655 1717 1836 1659 1704 1763 1807 1871 1967 2045 1082 1177 1262 1294 1335 1344 1390 1474 1534 1641 1453 1510 1574 1605 1671 1753 1828 782 861 931 978 989 1048 1060 1130 1201 1286 1069 1142 1227 1221 1307 1346 1432 832 913 985 1031 1046 1097 1115 1188 1255 1344 1133 1203 1285 1286 1366 1414 1496 970 1059 1137 1177 1205 1233 1267 1347 1408 1507 1309 1373 1444 1462 1534 1603 1678 929 1015 1093 1134 1158 1192 1223 1300 1363 1458 1257 1323 1396 1410 1484 1547 1624 800 878 950 996 1008 1064 1079 1149 1219 1305 1091 1162 1246 1243 1326 1369 1453 723 799 865 914 922 988 993 1062 1136 1217 993 1067 1157 1144 1234 1266 1354 100° 85° 75° 1056 1151 1235 1268 1306 1319 1363 1446 1505 1611 1421 1480 1545 1574 1641 1720 1794 631 703 764 816 818 897 889 955 1035 1112 876 952 1051 1023 1122 1138 1235 831 911 983 1029 1044 1096 1113 1186 1253 1342 1131 1201 1283 1284 1364 1412 1494 To Make a Selection: Locate the column with the desired operating temperature conditions. 700 101. Dimensions are subject to change. (2) Do not use catalog drawings for certified prints. (3) Connections larger than 3” are Beveled for Welding (BFW) and grooved for a mechanical coupling.300 94.900 107. (4) Adequate spacing must be allowed for access to the cooling tower.500 97.400 102.500 86.800 87.600 108.E NGINEERING D ATA & D IMENSIONS MODELS: AT/UT/USS 112-012 to 112-914 Access Doors Swing Inside Unit One-Cell Cooling Towers ACCESS DOOR *112-012 thru 912 (1) 8” Inlet (1) 8” Outlet *112-314 thru 914 (1) 10” Inlet (1) 10” Outlet 7 F ACCESS DOOR T 2 * BFW/GVD INLET Q H 2 MPT MAKE-UP P B 25 1/4 16 7/8 7 1/4 3 5/8 5 1/4 3 FPT OVERFLOW * BFW/GVD OUTLET 3 FPT DRAIN 9 S ✦ L 11' 11-3/4" 3/8 L = Lower Section U = Upper Section Weights (LBS) Model No. ✦ Outlet connection extends 3/8” beyond bottom flange.300 95. 63 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 5' 5' 5' 5' 5' 5' 5' 5' 5' 5' 6' 6' 6' 6' 6' 6' 6' 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" .400 89.600 116.600 AT/USS H 12' 12' 12' 13' 12' 14' 13' 13' 14' 14' 12' 13' 14' 13' 14' 13' 14' T 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 9" 9" 9" 9" 9" 9" 9" 7' 7' 7' 8' 7' 9' 8' 8' 9' 9' 7' 8' 9' 8' 9' 8' 9' 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" B 5' 5' 5' 5' 5' 5' 5' 5' 5' 5' 5' 5' 5' 5' 5' 5' 5' 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 8-1/4" 8-1/4" 8-1/4" 8-1/4" 8-1/4" 8-1/4" 8-1/4" P 8' 2" 8' 2" 8' 2" 9' 2" 8' 2" 10' 2" 9' 2" 9' 2" 10' 2" 10' 2" 8' 7" 9' 7" 10' 7" 9' 7" 10' 7" 9' 7" 10' 7" L 11' 11' 11' 11' 11' 11' 11' 11' 11' 11' 13' 13' 13' 13' 13' 13' 13' 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" UT F† 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4"† S&Q 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' NOTE: (1) An adequately sized bleed line must be installed in the cooling tower system to prevent build-up of impurities in the recirculated water.300 100. † Height does not include fan guard which ships loose.600 118. AT 112-012 AT 112-112 AT 112-212 AT 112-312 AT 112-412 AT 112-512 AT 112-612 AT 112-712 AT 112-812 AT 112-912 AT 112-314 AT 112-414 AT 112-514 AT 112-614 AT 112-714 AT 112-814 AT 112-914 Heaviest Shipping Operating Section 7440 7490 7540 8030 7640 8520 8080 8180 8670 8920 8270 8860 9380 8930 9450 9190 9710 13650 13700 13750 14240 13850 14730 14290 14390 14880 15130 15600 16190 16710 16260 16780 16520 17040 U 5000 U 5050 U 5100 U 5590 U 5200 U 6080 U 5640 U 5740 U 6230 U 6480 U 5620 U 6210 U 6730 U 6280 U 6800 U 6540 U 7060 Dimensions Fan Motor (HP) Air Flow (CFM) 15 20 25 20 30 20 25 30 30 40 30 25 25 30 30 40 40 81.000 99.300 106.100 110. Motor Hp AT 112-018 AT 112-118 AT 112-218 AT 112-318 AT 112-418 AT 112-518 AT 112-618 AT 112-718 AT 112-818 AT 112-918 AT 112-520 AT 112-620 AT 112-720 AT 112-820 AT 112-920 25 30 25 30 30 40 40 50 50 60 50 40 50 50 60 Model No. 64 † Mark owned by the Cooling Technology Institute . For selections and conditions other than those stated. Motor Hp AT 112-018 AT 112-118 AT 112-218 AT 112-318 AT 112-418 AT 112-518 AT 112-618 AT 112-718 AT 112-818 AT 112-918 AT 112-520 AT 112-620 AT 112-720 AT 112-820 AT 112-920 25 30 25 30 30 40 40 50 50 60 50 40 50 50 60 EWT LWT WB 90° 80° 66° 2099 2199 2252 2367 2439 2585 2674 2759 2870 2978 2669 2767 2897 2991 3102 EWT LWT WB 95° 85° 76° 1837 1930 1999 2105 2180 2306 2391 2467 2567 2663 2355 2474 2585 2674 2774 † Thermal performance certified by the Cooling Technology Institute (CTI) in accordance with CTI Standard STD-201 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 95° 90° 95° 90° 95° 90° 95° 95° 80° 80° 80° 80° 80° 80° 80° 85° 66° 68° 68° 70° 70° 72° 72° 75° 1620 1705 1786 1885 1968 2073 2160 2221 2319 2407 2089 2234 2324 2415 2506 1955 2054 2114 2224 2297 2433 2519 2599 2704 2805 2500 2606 2728 2817 2922 1518 1600 1685 1780 1869 1961 2053 2105 2204 2287 1963 2121 2200 2295 2381 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 100° 95° 97° 100° 102° 95° 96° 100° 85° 85° 87° 85° 85° 85° 86° 85° 76° 78° 78° 78° 78° 80° 80° 80° 102° 85° 80° 1432 1509 1598 1690 1784 1865 1960 2005 2106 2185 1856 2025 2092 2192 2275 1931 2029 2091 2200 2273 2407 2493 2572 2676 2776 2470 2579 2699 2788 2891 1576 1661 1742 1841 1925 2026 2114 2171 2270 2355 2036 2185 2272 2364 2452 1483 1563 1651 1744 1834 1922 2015 2065 2164 2246 1920 2082 2156 2254 2338 1950 2049 2109 2219 2292 2428 2513 2593 2698 2799 2493 2600 2721 2810 2915 1700 1788 1865 1967 2046 2159 2245 2312 2410 2501 2188 2322 2421 2511 2604 1238 1309 1402 1488 1596 1652 1757 1779 1889 1961 1619 1814 1853 1965 2040 1312 1388 1479 1568 1670 1735 1836 1868 1974 2049 1711 1896 1946 2054 2132 1526 1609 1693 1789 1877 1971 2061 2115 2214 2297 1974 2130 2210 2305 2391 1464 1543 1632 1724 1815 1901 1994 2043 2142 2223 1896 2061 2132 2230 2315 1263 1335 1429 1514 1621 1679 1783 1809 1917 1991 1649 1841 1884 1994 2070 1144 1216 1308 1392 1505 1548 1662 1673 1787 1856 1505 1711 1738 1859 1930 100° 85° 75° 1662 1748 1827 1927 2009 2118 2204 2269 2366 2455 2140 2280 2374 2465 2557 1005 1069 1164 1242 1367 1389 1512 1506 1632 1695 1333 1554 1560 1691 1759 1310 1386 1477 1565 1668 1732 1834 1866 1971 2047 1708 1894 1944 2051 2129 To Make a Selection: Locate the column with the desired operating temperature conditions. consult your iES Selection Program or local EVAPCO representative.T HERMAL P ERFORMANCE MODELS: AT/UT/USS 112-018 to 112-920 Model No. Read horizontally to the left to find the model number of the unit that will perform the duty. Read down the column until you find the GPM equal to or greater than the flow required. Dimensions are subject to change.700 145. ✦ Outlet connection extends 3/8” beyond bottom flange. 65 9' 0" 9' 0" 9' 0" 9' 0" 9' 0" 9' 0" 9' 0" 9' 0" 9' 0" 9' 0" 10' 0" 10' 0" 10' 0" 10' 0" 10' 0" .900 147.200 159.400 135.800 162.300 158.300 148.100 AT/USS H 13' 13' 14' 14' 15' 14' 15' 14' 15' 15' 13' 15' 14' 15' 15' T 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 7' 7' 8' 8' 9' 8' 9' 8' 9' 9' 7' 9' 8' 9' 9' 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" P 9' 1" 9' 1" 10' 1" 10' 1" 11' 1" 10' 1" 11' 1" 10' 1" 11' 1" 11' 1" 9' 1" 11' 1" 10' 1" 11' 1" 11' 1" F L 18' 18' 18' 18' 18' 18' 18' 18' 18' 18' 20' 20' 20' 20' 20' UT† 0" 0" 0" 0" 0" 0" 0" 0" 0" 0" 0" 0" 0" 0" 0" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4"† S&Q 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" NOTE: (1) An adequately sized bleed line must be installed in the cooling tower system to prevent build-up of impurities in the recirculated water. (2) Do not use catalog drawings for certified prints.E NGINEERING D ATA & D IMENSIONS MODELS: AT/UT/USS 112-018 to 112-920 Access Doors Swing Inside Unit One-Cell Cooling Towers ACCESS DOOR 7 F ACCESS DOOR T 10 BFW/GROOVED INLET Q 2 H P 2 MPT MAKE-UP 74 1/4 3 FPT OVERFLOW 25 1/4 16 7/8 5 1/4 3 FPT DRAIN 8 1/2 9 3 5/8 3/8 11' 10" 10 BFW/GROOVED OUTLET S ✦ L L = Lower Section U = Upper Section Weights (LBS) Model No.500 169.400 127.600 137. (3) Connections larger than 3” are Beveled for Welding (BFW) and grooved for a mechanical coupling.000 165.600 165.500 155. † Height does not include fan guard which ships loose. AT 112-018 AT 112-118 AT 112-218 AT 112-318 AT 112-418 AT 112-518 AT 112-618 AT 112-718 AT 112-818 AT 112-918 AT 112-520 AT 112-620 AT 112-720 AT 112-820 AT 112-920 Heaviest Shipping Operating Section 10370 10480 11150 11260 12000 11520 12260 11580 12320 12430 11500 13070 12230 13130 13240 19640 19750 20420 20530 21270 20790 21530 20850 21590 21700 21900 23470 22630 23530 23640 U 6810 U 6920 U 7590 U 7700 U 8440 U 7960 U 8700 U 8020 U 8760 U 8870 U 7690 U 9260 U 8420 U 9320 U 9430 Dimensions Fan Motor (HP) Air Flow (CFM) 25 30 25 30 30 40 40 50 50 60 50 40 50 50 60 129. (4) Adequate spacing must be allowed for access to the cooling tower.000 132. Read down the column until you find the GPM equal to or greater than the flow required. Motor Hp AT 212-024 AT 212-124 AT 212-224 AT 212-324 AT 212-424 AT 212-524 AT 212-624 AT 212-724 AT 212-824 AT 212-924 AT 212-128 AT 212-228 AT 212-328 AT 212-428 AT 212-528 AT 212-628 AT 212-728 AT 212-828 AT 212-928 (2) 20 (2) 15 (2) 25 (2) 20 (2) 30 (2) 25 (2) 25 (2) 30 (2) 30 (2) 40 (2) 25 (2) 20 (2) 30 (2) 25 (2) 25 (2) 30 (2) 30 (2) 40 (2) 40 EWT LWT WB 90° 80° 66° 2897 2877 3088 3115 3250 3333 3446 3524 3653 3906 3378 3408 3559 3637 3752 3851 3983 4187 4353 EWT LWT WB 95° 85° 76° 2541 2549 2721 2771 2870 2972 3081 3147 3267 3494 2963 3022 3133 3234 3354 3431 3561 3741 3893 † Thermal performance certified by the Cooling Technology Institute (CTI) in accordance with CTI Standard STD-201 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 95° 90° 95° 90° 95° 90° 95° 95° 80° 80° 80° 80° 80° 80° 80° 85° 66° 68° 68° 70° 70° 72° 72° 75° 2245 2274 2410 2480 2549 2668 2783 2831 2951 3157 2617 2697 2772 2895 3027 3079 3216 3367 3517 2705 2700 2888 2927 3044 3136 3246 3319 3441 3680 3154 3199 3327 3417 3534 3622 3751 3943 4100 2106 2146 2263 2342 2398 2523 2644 2682 2804 3001 2455 2546 2604 2733 2875 2911 3055 3191 3342 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 100° 95° 97° 100° 102° 95° 96° 100° 85° 85° 87° 85° 85° 85° 86° 85° 76° 78° 78° 78° 78° 80° 80° 80° 102° 85° 80° 1986 2031 2138 2223 2266 2398 2524 2551 2679 2867 2315 2410 2458 2595 2744 2766 2916 3036 3193 2671 2669 2854 2895 3009 3102 3212 3284 3405 3642 3114 3164 3287 3380 3497 3583 3712 3902 4058 2186 2219 2346 2421 2484 2605 2723 2767 2888 3090 2549 2631 2699 2826 2961 3006 3147 3291 3442 2057 2099 2213 2294 2344 2473 2595 2629 2754 2946 2398 2491 2546 2677 2822 2854 2999 3129 3282 2697 2693 2880 2920 3036 3128 3238 3311 3433 3672 3145 3191 3318 3409 3525 3613 3743 3934 4091 2354 2377 2524 2587 2670 2780 2893 2949 3067 3281 2744 2818 2906 3020 3148 3210 3343 3506 3655 1722 1777 1862 1957 1979 2119 2262 2261 2402 2572 2007 2111 2138 2283 2454 2443 2613 2692 2863 1826 1879 1970 2061 2091 2229 2364 2375 2510 2688 2128 2232 2265 2405 2569 2572 2732 2828 2992 2118 2157 2275 2353 2410 2534 2655 2695 2816 3013 2468 2558 2617 2746 2887 2925 3068 3205 3357 2031 2073 2186 2267 2315 2445 2569 2600 2726 2917 2367 2460 2514 2646 2793 2821 2968 3094 3249 1756 1811 1899 1991 2016 2157 2296 2299 2438 2611 2047 2151 2181 2324 2493 2486 2653 2737 2906 1599 1658 1729 1829 1843 1986 2138 2123 2272 2435 1863 1969 1987 2134 2315 2289 2469 2532 2709 100° 85° 75° 2301 2327 2469 2535 2611 2727 2840 2892 3011 3221 2683 2759 2842 2959 3090 3148 3282 3439 3588 1405 1472 1527 1632 1635 1777 1944 1909 2070 2223 1638 1750 1752 1905 2101 2046 2244 2276 2471 1823 1876 1967 2058 2088 2226 2361 2372 2507 2685 2124 2228 2261 2402 2566 2568 2728 2824 2988 To Make a Selection: Locate the column with the desired operating temperature conditions. consult your iES Selection Program or local EVAPCO representative. Read horizontally to the left to find the model number of the unit that will perform the duty. For selections and conditions other than those stated. Motor Hp AT 212-024 AT 212-124 AT 212-224 AT 212-324 AT 212-424 AT 212-524 AT 212-624 AT 212-724 AT 212-824 AT 212-924 AT 212-128 AT 212-228 AT 212-328 AT 212-428 AT 212-528 AT 212-628 AT 212-728 AT 212-828 AT 212-928 (2) 20 (2) 15 (2) 25 (2) 20 (2) 30 (2) 25 (2) 25 (2) 30 (2) 30 (2) 40 (2) 25 (2) 20 (2) 30 (2) 25 (2) 25 (2) 30 (2) 30 (2) 40 (2) 40 Model No. 66 † Mark owned by the Cooling Technology Institute .T HERMAL P ERFORMANCE MODELS: AT/UT/USS 212-024 to 212-928 Model No. 000 184. (3) Connections larger than 3” are Beveled for Welding (BFW) and grooved for a mechanical coupling.000 195. (5) These models are available as (2) independent operating cells with the addition of a flume plate.500 175.200 237. ✦ Outlet connection extends 3/8” beyond bottom flange. Dimensions are subject to change. AT 212-024 AT 212-124 AT 212-224 AT 212-324 AT 212-424 AT 212-524 AT 212-624 AT 212-724 AT 212-824 AT 212-924 AT 212-128 AT 212-228 AT 212-328 AT 212-428 AT 212-528 AT 212-628 AT 212-728 AT 212-828 AT 212-928 Dimensions Fan Heaviest Motor Shipping Operating Section (HP) 14940 15920 15040 16020 15240 16120 17100 16320 17300 17800 16380 17580 16520 17700 18740 17840 18880 18360 19400 27360 28340 27460 28440 27660 28540 29520 28740 29720 30220 31040 32240 31180 32360 33400 32500 33540 33020 34060 U 5050 U 5540 U 5100 U 5590 U 5200 U 5640 U 6130 U 5740 U 6230 U 6480 U 5550 U 6150 U 5620 U 6210 U 6730 U 6280 U 6800 U 6540 U 7060 (2) 20 (2) 15 (2) 25 (2) 20 (2) 30 (2) 25 (2) 25 (2) 30 (2) 30 (2) 40 (2) 25 (2) 20 (2) 30 (2) 25 (2) 25 (2) 30 (2) 30 (2) 40 (2) 40 Air Flow (CFM) 178.800 199.700 204.300 202.200 216. 67 O 7-1/4" 7-1/4" 7-1/4" 7-1/4" 7-1/4" 7-1/4" 7-1/4" 7-1/4" 7-1/4" 7-1/4" 8-1/2" 8-1/2" 8-1/2" 8-1/2" 8-1/2" 8-1/2" 8-1/2" 8-1/2" 8-1/2" S&Q 5' 5' 5' 5' 5' 5' 5' 5' 5' 5' 6' 6' 6' 6' 6' 6' 6' 6' 6' 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" .300 160.400 190. † Height does not include fan guard which ships loose. (4) Adequate spacing must be allowed for access to the cooling tower.100 AT/USS H 13' 14' 13' 14' 13' 14' 15' 14' 15' 15' 14' 15' 14' 15' 16' 15' 16' 15' 16' T 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 7' 8' 7' 8' 7' 8' 9' 8' 9' 9' 7' 8' 7' 8' 9' 8' 9' 8' 9' 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" B 6' 6' 6' 6' 6' 6' 6' 6' 6' 6' 7' 7' 7' 7' 7' 7' 7' 7' 7' 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" P 9' 2" 10' 2" 9' 2" 10' 2" 9' 2" 10' 2" 11' 2" 10' 2" 11' 2" 11' 2" 10' 1" 11' 1" 10' 1" 11' 1" 12' 1" 11' 1" 12' 1" 11' 1" 12' 1" L 24' 24' 24' 24' 24' 24' 24' 24' 24' 24' 28' 28' 28' 28' 28' 28' 28' 28' 28' UT† N F 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4"† 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 11' 11' 11' 11' 11' 11' 11' 11' 11' 11' 13' 13' 13' 13' 13' 13' 13' 13' 13' 2-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" M 11' 11' 11' 11' 11' 11' 11' 11' 11' 11' 13' 13' 13' 13' 13' 13' 13' 13' 13' 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" NOTE: (1) An adequately sized bleed line must be installed in the cooling tower system to prevent build-up of impurities in the recirculated water.200 233.700 201. (2) Do not use catalog drawings for certified prints.100 191.900 220.E NGINEERING D ATA & D IMENSIONS MODELS: AT/UT/USS 212-024 to 212-928 Access Doors Swing Inside Unit Two-Cell Cooling Towers ACCESS DOOR ACCESS DOOR ACCESS DOOR ACCESS DOOR *212-024 thru 924 (2) 8” Inlets (2) 8” Outlets *212-328 thru 928 (2) 10” Inlets (2) 10” Outlets 7 F T 2 (2) 8 BFW/GROOVED INLET Q H P B (2) 3 FPT OVERFLOW 25 1/4 16 7/8 N O (2) 3 FPT DRAIN 5 1/4 3 5/8 11' 10" 3/8 (2) 8 BFW/GROOVED OUTLET (2) 2 MPT MAKE-UP S ✦ M 2 1/2 L L = Lower Section U = Upper Section Weights (LBS) Model No.900 188.700 213.700 214.300 208. Consult the factory for details. Motor Hp AT 212-036 AT 212-136 AT 212-236 AT 212-336 AT 212-436 AT 212-536 AT 212-636 AT 212-736 AT 212-836 AT 212-936 (2) 20 (2) 30 (2) 25 (2) 30 (2) 30 (2) 40 (2) 40 (2) 50 (2) 50 (2) 60 Model No. 68 † Mark owned by the Cooling Technology Institute . consult your iES Selection Program or local EVAPCO representative. Motor Hp AT 212-036 AT 212-136 AT 212-236 AT 212-336 AT 212-436 AT 212-536 AT 212-636 AT 212-736 AT 212-836 AT 212-936 (2) 20 (2) 30 (2) 25 (2) 30 (2) 30 (2) 40 (2) 40 (2) 50 (2) 50 (2) 60 EWT LWT WB 90° 80° 66° 4255 4399 4613 4734 4878 5170 5349 5518 5741 5955 EWT LWT WB 95° 85° 76° 3767 3860 4123 4211 4360 4613 4782 4933 5134 5327 † Thermal performance certified by the Cooling Technology Institute (CTI) in accordance with CTI Standard STD-201 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 95° 90° 95° 90° 95° 90° 95° 95° 80° 80° 80° 80° 80° 80° 80° 85° 66° 68° 68° 70° 70° 72° 72° 75° 3358 3410 3719 3770 3936 4146 4320 4443 4639 4813 3990 4108 4344 4449 4594 4867 5038 5198 5408 5610 3163 3200 3530 3560 3738 3923 4105 4211 4408 4575 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 100° 95° 97° 100° 102° 95° 96° 100° 85° 85° 87° 85° 85° 85° 86° 85° 76° 78° 78° 78° 78° 80° 80° 80° 102° 85° 80° 2994 3018 3369 3380 3567 3731 3920 4009 4211 4370 3944 4058 4299 4400 4546 4815 4986 5144 5352 5552 3277 3321 3638 3681 3850 4051 4227 4343 4539 4710 3095 3126 3465 3487 3669 3845 4030 4131 4329 4492 3979 4097 4334 4438 4583 4855 5026 5186 5395 5597 3509 3576 3867 3933 4093 4318 4490 4624 4821 5002 2616 2617 3005 2976 3191 3303 3513 3559 3778 3922 2766 2776 3149 3135 3341 3470 3672 3737 3948 4099 3180 3218 3546 3578 3754 3941 4123 4230 4427 4594 3057 3086 3429 3447 3631 3802 3989 4086 4285 4447 2665 2670 3053 3029 3242 3359 3566 3618 3834 3981 2440 2432 2834 2783 3011 3096 3324 3346 3575 3712 100° 85° 75° 3436 3496 3796 3854 4017 4235 4408 4537 4733 4911 2166 2137 2570 2484 2733 2778 3023 3012 3264 3391 2761 2771 3144 3130 3336 3465 3668 3732 3943 4093 To Make a Selection: Locate the column with the desired operating temperature conditions. Read horizontally to the left to find the model number of the unit that will perform the duty. Read down the column until you find the GPM equal to or greater than the flow required. For selections and conditions other than those stated.T HERMAL P ERFORMANCE MODELS: AT/UT/USS 212-036 to 212-936 Model No. Consult the factory for details.400 329.900 AT/USS H 15' 14' 16' 15' 16' 15' 16' 15' 16' 16' T 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 8' 7' 9' 8' 9' 8' 9' 8' 9' 9' 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" P 11' 10' 12' 11' 12' 11' 12' 11' 12' 12' F 1" 1" 1" 1" 1" 1" 1" 1" 1" 1" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4"† NOTE: (1) An adequately sized bleed line must be installed in the cooling tower system to prevent build-up of impurities in the recirculated water.300 274. Dimensions are subject to change.800 270.100 311. (2) Do not use catalog drawings for certified prints. (3) Connections larger than 3” are Beveled for Welding (BFW) and grooved for a mechanical coupling. Shipping Operating Heaviest Section AT 212-036 AT 212-136 AT 212-236 AT 212-336 AT 212-436 AT 212-536 AT 212-636 AT 212-736 AT 212-836 AT 212-936 22460 21220 24040 22780 24260 23300 24780 23420 24900 25120 41000 39760 42580 41320 42800 41840 43320 41960 43440 43660 U 7540 U 6920 U 8330 U 7700 U 8440 U 7960 U 8700 U 8020 U 8760 U 8870 Fan Motor (HP) Air Flow (CFM) (2) 20 (2) 30 (2) 25 (2) 30 (2) 30 (2) 40 (2) 40 (2) 50 (2) 50 (2) 60 237.700 317.800 295. 69 UT† 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" .E NGINEERING D ATA & D IMENSIONS MODELS: AT/UT/USS 212-036 to 212-936 Two-Cell Cooling Towers Access Doors Swing Inside Unit ACCESS DOOR ACCESS DOOR 7 F ACCESS DOOR ACCESS DOOR T 2 108 (2) 10 BFW/GROOVED INLET H P 86 1/4 (2) 3 FPT OVERFLOW 25 1/4 16 7/8 (2) 10 BFW/GROOVED OUTLET (2) 2 MPT MAKE-UP 108 207 8 1/2 (2) 3 FPT DRAIN 5 1/4 3 5/8 11'-10" 3/8 216 ✦ 2 1/2 36'-2 1/2" L = Lower Section U = Upper Section Weights (LBS) Dimensions Model No.500 290. (4) Adequate spacing must be allowed for access to the cooling tower. † Height does not include fan guard which ships loose.100 265. (5) These models are available as (2) independent operating cells with the addition of a flume plate. ✦ Outlet connection extends 3/8” beyond bottom flange.700 250. Read horizontally to the left to find the model number of the unit that will perform the duty. Motor Hp AT 312-036 AT 312-136 AT 312-236 AT 312-336 AT 312-436 AT 312-536 AT 312-636 AT 312-736 AT 312-836 AT 312-936 AT 312-042 AT 312-142 AT 312-242 AT 312-342 AT 312-442 AT 312-542 AT 312-642 AT 312-742 AT 312-842 AT 312-942 (3) 20 (3) 15 (3) 25 (3) 20 (3) 20 (3) 25 (3) 25 (3) 30 (3) 30 (3) 40 (3) 15 (3) 25 (3) 15 (3) 20 (3) 25 (3) 25 (3) 30 (3) 30 (3) 40 (3) 40 EWT LWT WB 90° 80° 66° 4393 4360 4681 4720 4854 5048 5219 5338 5533 5916 4806 5123 4928 5165 5509 5683 5833 6032 6342 6593 EWT LWT WB 95° 85° 76° 3856 3865 4127 4199 4338 4502 4666 4768 4947 5292 4249 4496 4399 4581 4901 5080 5200 5393 5668 5896 † Thermal performance certified by the Cooling Technology Institute (CTI) in accordance with CTI Standard STD-201 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 95° 90° 95° 90° 95° 90° 95° 95° 80° 80° 80° 80° 80° 80° 80° 85° 66° 68° 68° 70° 70° 72° 72° 75° 3408 3449 3658 3760 3916 4045 4215 4290 4470 4782 3784 3972 3965 4090 4388 4586 4668 4871 5102 5327 4103 4092 4380 4436 4571 4750 4916 5026 5212 5574 4500 4784 4639 4848 5178 5352 5487 5682 5973 6210 3199 3256 3435 3552 3719 3824 4005 4066 4248 4545 3559 3729 3761 3860 4145 4355 4414 4628 4836 5062 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 100° 95° 97° 100° 102° 95° 96° 100° 85° 85° 87° 85° 85° 85° 86° 85° 76° 78° 78° 78° 78° 80° 80° 80° 102° 85° 80° 3017 3082 3248 3372 3550 3637 3823 3867 4058 4342 3369 3516 3581 3657 3935 4156 4195 4418 4602 4836 4054 4047 4328 4388 4524 4700 4865 4974 5158 5516 4449 4726 4590 4795 5121 5296 5429 5623 5911 6146 3318 3366 3561 3672 3831 3949 4125 4193 4374 4679 3686 3868 3878 3991 4285 4486 4558 4767 4987 5213 3125 3185 3359 3479 3651 3748 3931 3985 4171 4462 3482 3642 3688 3780 4060 4275 4326 4543 4743 4971 4092 4082 4368 4425 4560 4739 4905 5015 5199 5561 4489 4771 4628 4836 5165 5340 5474 5668 5959 6196 3574 3604 3830 3923 4073 4213 4381 4468 4645 4969 3954 4166 4125 4274 4578 4769 4865 5063 5312 5536 2617 2699 2830 2969 3176 3216 3426 3429 3638 3897 2936 3050 3186 3206 3465 3719 3707 3959 4083 4337 2776 2854 2991 3128 3324 3381 3582 3602 3802 4072 3104 3235 3342 3386 3650 3892 3900 4138 4289 4532 3216 3272 3453 3569 3735 3842 4022 4085 4266 4564 3577 3749 3779 3879 4165 4374 4434 4648 4857 5084 3084 3146 3317 3439 3613 3707 3891 3941 4129 4417 3440 3595 3648 3734 4013 4231 4278 4496 4690 4920 2669 2750 2884 3022 3227 3272 3478 3486 3693 3955 2992 3111 3238 3268 3526 3778 3773 4019 4152 4402 2433 2517 2628 2778 2996 3013 3241 3223 3442 3688 2733 2834 3001 2990 3241 3508 3473 3742 3839 4104 100° 85° 75° 3493 3529 3747 3844 3997 4132 4301 4382 4560 4879 3872 4072 4048 4185 4486 4680 4771 4970 5212 5435 2138 2238 2323 2479 2720 2699 2946 2897 3138 3368 2429 2491 2717 2660 2892 3186 3108 3402 3453 3745 2771 2850 2986 3123 3320 3376 3577 3597 3797 4067 3099 3229 3338 3381 3645 3887 3894 4133 4283 4527 To Make a Selection: Locate the column with the desired operating temperature conditions. consult your iES Selection Program or local EVAPCO representative. Read down the column until you find the GPM equal to or greater than the flow required. For selections and conditions other than those stated. Motor Hp AT 312-036 AT 312-136 AT 312-236 AT 312-336 AT 312-436 AT 312-536 AT 312-636 AT 312-736 AT 312-836 AT 312-936 AT 312-042 AT 312-142 AT 312-242 AT 312-342 AT 312-442 AT 312-542 AT 312-642 AT 312-742 AT 312-842 AT 312-942 (3) 20 (3) 15 (3) 25 (3) 20 (3) 20 (3) 25 (3) 25 (3) 30 (3) 30 (3) 40 (3) 15 (3) 25 (3) 15 (3) 20 (3) 25 (3) 25 (3) 30 (3) 30 (3) 40 (3) 40 Model No. 70 † Mark owned by the Cooling Technology Institute .T HERMAL P ERFORMANCE MODELS: AT/UT/USS 312-036 to 312-942 Model No. 800 AT/USS H 14' 15' 14' 15' 16' 15' 16' 15' 16' 16' 16' 15' 17' 16' 16' 17' 16' 17' 16' 17' T 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 7' 8' 7' 8' 9' 8' 9' 8' 9' 9' 8' 7' 9' 8' 8' 9' 8' 9' 8' 9' 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" B 7' 7' 7' 7' 7' 7' 7' 7' 7' 7' 8' 8' 8' 8' 8' 8' 8' 8' 8' 8' 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" P 10' 11' 10' 11' 12' 11' 12' 11' 12' 12' 12' 11' 13' 12' 12' 13' 12' 13' 12' 13' L 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 1" 1" 1" 1" 1" 1" 1" 1" 1" 1" 36' 36' 36' 36' 36' 36' 36' 36' 36' 36' 42' 42' 42' 42' 42' 42' 42' 42' 42' 42' 4-1/4" 4-1/4" 4-1/4" 4-1/4" 4-1/4" 4-1/4" 4-1/4" 4-1/4" 4-1/4" 4-1/4" 4-1/4" 4-1/4" 4-1/4" 4-1/4" 4-1/4" 4-1/4" 4-1/4" 4-1/4" 4-1/4" 4-1/4" UT† F 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4"† N 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 11' 11' 11' 11' 11' 11' 11' 11' 11' 11' 13' 13' 13' 13' 13' 13' 13' 13' 13' 13' 2-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" 2-3/4" M 11' 11' 11' 11' 11' 11' 11' 11' 11' 11' 13' 13' 13' 13' 13' 13' 13' 13' 13' 13' NOTE: (1) An adequately sized bleed line must be installed in the cooling tower system to prevent build-up of impurities in the recirculated water.600 322.000 265. (3) Connections larger than 3” are Beveled for Welding (BFW) and grooved for a mechanical coupling.100 301.600 290.100 288.500 261.400 242. (2) Do not use catalog drawings for certified prints. (4) Adequate spacing must be allowed for access to the cooling tower.100 352. ✦ Outlet connection extends 3/8” beyond bottom flange.500 263. Dimensions are subject to change.500 304.500 309. † Height does not include fan guard which ships loose. AT 312-036 AT 312-136 AT 312-236 AT 312-336 AT 312-436 AT 312-536 AT 312-636 AT 312-736 AT 312-836 AT 312-936 AT 312-042 AT 312-142 AT 312-242 AT 312-342 AT 312-442 AT 312-542 AT 312-642 AT 312-742 AT 312-842 AT 312-942 Heaviest Shipping Operating Section 22260 23730 22410 23880 25350 24030 25500 24330 25800 26550 26790 25170 28350 26970 27150 28710 27360 28920 28140 29700 40890 42360 41040 42510 43980 42660 44130 42960 44430 45180 48780 47160 50340 48960 49140 50700 49350 50910 50130 51690 5050 5540 5100 5590 6080 5640 6130 5740 6230 6480 6090 5550 6610 6150 6210 6730 6280 6800 6540 7060 Dimensions Fan Motor (HP) Air Flow (CFM) (3) 20 (3) 15 (3) 25 (3) 20 (3) 20 (3) 25 (3) 25 (3) 30 (3) 30 (3) 40 (3) 15 (3) 25 (3) 15 (3) 20 (3) 25 (3) 25 (3) 30 (3) 30 (3) 40 (3) 40 270.200 259.400 284. (5) These models are available as (3) independent operating cells with the addition of a flume plate.600 327.400 359.400 315. Consult the factory for details.300 296.400 324. 71 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" S&Q 5' 5' 5' 5' 5' 5' 5' 5' 5' 5' 6' 6' 6' 6' 6' 6' 6' 6' 6' 6' 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" 11-7/8" .700 280.E NGINEERING D ATA & D IMENSIONS MODELS: AT/UT/USS 312-036 to 312-942 Access Doors Swing Inside Unit Three-Cell Cooling Towers ACCESS DOOR ACCESS DOOR ACCESS DOOR *312-036 thru 936 (3) 8” Inlets (3) 8” Outlets *312-042 thru 942 (3) 10” Inlets (3) 10” Outlets 7 F ACCESS DOOR ACCESS DOOR ACCESS DOOR T 2 Q *(3) BFW/GROOVED INLET H P B *(3) BFW/GROOVED OUTLET 9 25 1/4 5 1/4 O 3 5/8 (3) 3 FPT OVERFLOW (3) 3 FPT DRAIN 16 7/8 (3) 2 MPT MAKE-UP S N 5 1/4 M 11' 10" 3/8 2 1/2 ✦ L L = Lower Section U = Upper Section Weights (LBS) Model No. T HERMAL P ERFORMANCE MODELS: AT/UT/USS 312-054 to 312-960 Model No. Motor Hp AT 312-054 AT 312-154 AT 312-254 AT 312-354 AT 312-454 AT 312-554 AT 312-654 AT 312-754 AT 312-854 AT 312-954 AT 312-260 AT 312-360 AT 312-460 AT 312-560 AT 312-660 AT 312-760 AT 312-860 AT 312-960 (3) 30 (3) 25 (3) 40 (3) 30 (3) 30 (3) 40 (3) 40 (3) 50 (3) 50 (3) 60 (3) 25 (3) 25 (3) 50 (3) 40 (3) 40 (3) 50 (3) 50 (3) 60 EWT LWT WB 90° 80° 66° 6635 6791 7231 7136 7352 7792 8062 8318 8652 8976 6833 7030 7964 8027 8262 8648 8928 9260 EWT LWT WB 95° 85° 76° 5823 6029 6383 6348 6572 6953 7208 7436 7738 8029 6036 6275 7026 7143 7385 7717 7983 8280 † Thermal performance certified by the Cooling Technology Institute (CTI) in accordance with CTI Standard STD-201 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 95° 90° 95° 90° 95° 90° 95° 95° 80° 80° 80° 80° 80° 80° 80° 85° 66° 68° 68° 70° 70° 72° 72° 75° 5146 5386 5663 5685 5933 6251 6512 6699 6992 7255 5372 5656 6232 6399 6668 6938 7211 7481 6196 6375 6773 6707 6924 7337 7594 7834 8151 8456 6396 6617 7457 7546 7781 8142 8410 8722 4831 5083 5323 5370 5634 5916 6188 6349 6645 6895 5053 5363 5855 6048 6332 6564 6853 7109 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 100° 95° 97° 100° 102° 95° 96° 100° 85° 85° 87° 85° 85° 85° 86° 85° 76° 78° 78° 78° 78° 80° 80° 80° 102° 85° 80° 4556 4821 5032 5098 5378 5626 5908 6046 6348 6587 4785 5106 5535 5742 6044 6243 6543 6791 6122 6305 6694 6634 6852 7258 7515 7753 8067 8369 6323 6547 7369 7464 7700 8056 8322 8632 5011 5255 5520 5552 5804 6109 6372 6547 6842 7100 5234 5532 6070 6249 6523 6779 7056 7320 4719 4979 5204 5260 5531 5798 6075 6228 6525 6771 4944 5259 5724 5924 6216 6434 6727 6980 6180 6359 6756 6691 6908 7319 7576 7816 8132 8437 6380 6601 7437 7528 7763 8123 8390 8702 5397 5625 5930 5931 6169 6511 6768 6971 7266 7540 5618 5884 6525 6677 6933 7226 7495 7775 3952 4234 4390 4490 4812 4982 5296 5367 5695 5913 4167 4542 4827 5060 5412 5528 5864 6089 4192 4464 4639 4730 5036 5233 5536 5635 5951 6178 4404 4765 5101 5331 5660 5807 6130 6363 4858 5108 5351 5396 5659 5943 6214 6377 6673 6925 5079 5388 5885 6078 6360 6595 6882 7139 4658 4923 5140 5199 5474 5734 6013 6162 6459 6702 4884 5202 5654 5856 6152 6363 6658 6910 4031 4314 4473 4570 4889 5066 5376 5458 5780 6001 4245 4616 4918 5150 5496 5621 5953 6180 3674 3947 4083 4201 4540 4671 5010 5047 5389 5596 3876 4279 4486 4740 5105 5183 5548 5760 100° 85° 75° 5275 5512 5801 5812 6055 6385 6644 6840 7134 7402 5502 5773 6383 6543 6805 7086 7358 7633 3228 3515 3618 3749 4122 4193 4559 4544 4921 5111 3445 3873 3971 4228 4637 4651 5047 5250 4185 4457 4632 4723 5029 5226 5529 5627 5943 6170 4397 4759 5092 5323 5653 5799 6122 6355 To Make a Selection: Locate the column with the desired operating temperature conditions. Read down the column until you find the GPM equal to or greater than the flow required. For selections and conditions other than those stated. 72 † Mark owned by the Cooling Technology Institute . consult your iES Selection Program or local EVAPCO representative. Read horizontally to the left to find the model number of the unit that will perform the duty. Motor Hp AT 312-054 AT 312-154 AT 312-254 AT 312-354 AT 312-454 AT 312-554 AT 312-654 AT 312-754 AT 312-854 AT 312-954 AT 312-260 AT 312-360 AT 312-460 AT 312-560 AT 312-660 AT 312-760 AT 312-860 AT 312-960 (3) 30 (3) 25 (3)40 (3) 30 (3) 30 (3) 40 (3) 40 (3) 50 (3) 50 (3) 60 (3) 25 (3) 25 (3) 50 (3) 40 (3) 40 (3) 50 (3) 50 (3) 60 Model No. 400 444. (2) Do not use catalog drawings for certified prints.700 493.000 476.E NGINEERING D ATA & D IMENSIONS MODELS: AT/UT/USS 312-054 to 312-960 Three-Cell Cooling Towers Access Doors Swing Inside Unit ACCESS DOOR ACCESS DOOR ACCESS DOOR 7 F ACCESS DOOR ACCESS DOOR ACCESS DOOR T 2 Q (3) 10 BFW/GROOVED INLET H P 86 1/4 25 1/4 (3) 3 FPT OVERFLOW (3) 10 BFW/GROOVED OUTLET 9 5 1/4 16 7/8 (3) 3 FPT DRAIN 8 1/2 3 5/8 (3) 2 MPT MAKE-UP S N 5 1/4 11' 10" 3/8 M ✦ 2 1/2 L L = Lower Section U = Upper Section Weights (LBS) Model No.700 405. AT 312-054 AT 312-154 AT 312-254 AT 312-354 AT 312-454 AT 312-554 AT 312-654 AT 312-754 AT 312-854 AT 312-954 AT 312-260 AT 312-360 AT 312-460 AT 312-560 AT 312-660 AT 312-760 AT 312-860 AT 312-960 Heaviest Shipping Operating Section 32280 34290 33060 34620 36840 35400 37620 35580 37800 38130 36300 39000 35400 37410 40110 37590 40290 40620 60090 62100 60870 62430 64650 63210 65430 63390 65610 65940 67500 70200 66600 68610 71310 68790 71490 71820 U 6920 U 7590 U 7180 U 7700 U 8440 U 7960 U 8700 U 8020 U 8760 U 8870 U 7990 U 8890 U 7690 U 8360 U 9260 U 8420 U 9320 U 9430 Dimensions Fan Motor (HP) Air Flow (CFM) (3) 30 (3) 25 (3) 40 (3) 30 (3) 30 (3) 40 (3) 40 (3) 50 (3) 50 (3) 60 (3) 25 (3) 25 (3) 50 (3) 40 (3) 40 (3) 50 (3) 50 (3) 60 412.200 475.100 383.400 484. 73 M 18' 18' 18' 18' 18' 18' 18' 18' 18' 18' 20' 20' 20' 20' 20' 20' 20' 20' S&Q 0" 0" 0" 0" 0" 0" 0" 0" 0" 0" 0" 0" 0" 0" 0" 0" 0" 0" 9' 0" 9' 0" 9' 0" 9' 0" 9' 0" 9' 0" 9' 0" 9' 0" 9' 0" 9' 0" 10' 0"" 10' 0" 10' 0" 10' 0" 10' 0" 10' 0" 10' 0" 10' 0" .100 504.300 451.600 451. ✦ Outlet connection extends 3/8” beyond bottom flange. Consult the factory for details. (4) Adequate spacing must be allowed for access to the cooling tower. Dimensions are subject to change. † Height does not include fan guard which ships loose.900 467. (3) Connections larger than 3” are Beveled for Welding (BFW) and grooved for a mechanical coupling. (5) These models are available as (3) independent operating cells with the addition of a flume plate.500 436.400 495.900 443.600 AT/USS H 15' 16' 15' 16' 17' 16' 17' 16' 17' 17' 16' 17' 15' 16' 17' 16' 17' 17' T 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 7' 8' 7' 8' 9' 8' 9' 8' 9' 9' 8' 9' 7' 8' 9' 8' 9' 9' 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" P 11' 12' 11' 12' 13' 12' 13' 12' 13' 13' 12' 13' 11' 12' 13' 12' 13' 13' L 1" 1" 1" 1" 1" 1" 1" 1" 1" 1" 1" 1" 1" 1" 1" 1" 1" 1" 54' 54' 54' 54' 54' 54' 54' 54' 54' 54' 60' 60' 60' 60' 60' 60' 60' 60' UT† N F 5" 5" 5" 5" 5" 5" 5" 5" 5" 5" 5" 5" 5" 5" 5" 5" 5" 5" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4"† 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 17' 3" 17' 3" 17' 3" 17' 3" 17' 3" 17' 3" 17' 3" 17' 3" 17' 3" 17' 3" 19' 3" 19' 3" 19' 3" 19' 3" 19' 3" 19' 3" 19' 3" 19' 3" NOTE: (1) An adequately sized bleed line must be installed in the cooling tower system to prevent build-up of impurities in the recirculated water.100 390.300 398.300 382. Read horizontally to the left to find the model number of the unit that will perform the duty. Motor Hp AT 220-112 AT 220-212 AT 220-312 AT 220-412 AT 220-512 AT 220-612 AT 220-712 AT 220-812 AT 220-912 AT 220-118 AT 220-218 AT 220-318 AT 220-418 AT 220-518 AT 220-618 AT 220-718 AT 220-818 AT 220-918 (2) 15 (2) 25 (2) 20 (2) 30 (2) 25 (2) 25 (2) 30 (2) 30 (2) 35 (2) 20 (2) 15 (2) 20 (2) 30 (2) 25 (2) 30 (2) 30 (2) 40 (2) 40 EWT LWT WB 90° 80° 66° 2401 2569 2604 2684 2768 2834 2905 2981 3111 3138 3215 3415 3543 3655 3852 3968 4191 4326 EWT LWT WB 95° 85° 76° 2128 2265 2317 2371 2468 2533 2594 2665 2782 2736 2867 3020 3106 3242 3425 3546 3738 3868 † Thermal performance certified by the Cooling Technology Institute (CTI) in accordance with CTI Standard STD-201 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 95° 90° 95° 90° 95° 90° 95° 95° 80° 80° 80° 80° 80° 80° 80° 85° 66° 68° 68° 70° 70° 72° 72° 75° 1900 2008 2075 2106 2217 2288 2333 2408 2514 2403 2578 2690 2742 2894 3065 3201 3358 3494 2253 2404 2448 2514 2604 2669 2735 2808 2931 2917 3025 3199 3306 3431 3619 3736 3944 4075 1793 1885 1961 1981 2096 2174 2211 2288 2389 2245 2440 2530 2571 2732 2894 3039 3175 3319 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 100° 95° 97° 100° 102° 95° 96° 100° 85° 85° 87° 85° 85° 85° 86° 85° 76° 78° 78° 78° 78° 80° 80° 80° 102° 85° 80° 1697 1782 1861 1873 1993 2075 2102 2185 2282 2110 2322 2395 2425 2587 2747 2901 3019 3169 2229 2375 2421 2486 2576 2641 2707 2779 2900 2880 2993 3162 3265 3393 3580 3698 3902 4033 1854 1954 2027 2053 2165 2239 2281 2356 2460 2336 2518 2620 2669 2824 2992 3131 3279 3419 1754 1843 1920 1937 2055 2134 2167 2247 2346 2190 2393 2475 2511 2674 2834 2983 3112 3258 2248 2397 2442 2508 2598 2663 2729 2801 2924 2909 3018 3190 3297 3422 3610 3728 3935 4065 1985 2102 2165 2206 2310 2378 2430 2503 2613 2524 2687 2810 2875 3024 3198 3328 3498 3631 1487 1553 1640 1635 1763 1860 1863 1959 2047 1810 2063 2088 2100 2268 2417 2593 2671 2840 1572 1641 1727 1728 1853 1944 1958 2048 2139 1928 2164 2207 2226 2396 2546 2716 2807 2969 1802 1895 1970 1992 2106 2183 2221 2298 2399 2258 2452 2543 2585 2745 2908 3053 3190 3334 1733 1820 1898 1913 2032 2112 2143 2224 2322 2160 2367 2445 2479 2642 2802 2952 3078 3225 1515 1583 1669 1666 1794 1888 1895 1989 2078 1849 2096 2127 2141 2311 2460 2634 2717 2883 1387 1442 1535 1524 1651 1758 1750 1853 1937 1674 1940 1944 1946 2115 2258 2446 2502 2686 100° 85° 75° 1944 2056 2122 2158 2265 2335 2383 2457 2565 2465 2634 2752 2811 2961 3134 3267 3431 3565 1233 1275 1369 1352 1479 1598 1574 1688 1768 1449 1754 1727 1712 1881 2015 2220 2241 2442 1570 1639 1725 1726 1850 1941 1955 2045 2136 1925 2161 2203 2222 2392 2542 2713 2803 2965 To Make a Selection: Locate the column with the desired operating temperature conditions.T HERMAL P ERFORMANCE MODELS: AT/UT/USS 220-112 to 220-918 Model No. 74 † Mark owned by the Cooling Technology Institute . For selections and conditions other than those stated. consult your iES Selection Program or local EVAPCO representative. Motor Hp AT 220-112 AT 220-212 AT 220-312 AT 220-412 AT 220-512 AT 220-612 AT 220-712 AT 220-812 AT 220-912 AT 220-118 AT 220-218 AT 220-318 AT 220-418 AT 220-518 AT 220-618 AT 220-718 AT 220-818 AT 220-918 (2) 15 (2) 25 (2) 20 (2) 30 (2) 25 (2) 25 (2) 30 (2) 30 (2) 35 (2) 20 (2) 15 (2) 20 (2) 30 (2) 25 (2) 30 (2) 30 (2) 40 (2) 40 Model No. Read down the column until you find the GPM equal to or greater than the flow required. ✦ Outlet connection extends 3/8” beyond bottom flange.E NGINEERING D ATA & D IMENSIONS MODELS: AT/UT/USS 220-112 to 220-918 One-Cell Cooling Towers *220-112 thru 220-912 (2) 8" Inlet (2) 8" Outlet ACCESS DOOR *220-118 thru 220-918 (2) 10" Inlet (2) 10" Outlet Access Doors Swing Inside Unit ACCESS DOOR ACCESS DOOR 7 F ACCESS DOOR ACCESS DOOR T * (2) 10 BFW/GVD INLET 2 58 7/8 H P B (2) 3 FPT OVERFLOW (2) 2 MPT MAKE-UP * (2) 10 BFW/GVD OUTLET (2) 3 FPT DRAIN 108 3/4 25 1/4 93 5/8 16 7/8 112 1/2 8 1/2 113 1/2 5 1/8 117 3/4 3 3/4 ✦ 20' 5/8" 3/8 L L = Lower Section U = Upper Section Weights (LBS) Dimensions Model No.300 179.200 238. (3) Connections larger than 3” are Beveled for Welding (BFW) and grooved for a mechanical coupling.000 213. Dimensions are subject to change.000 225. (2) Do not use catalog drawings for certified prints.600 188.600 210.300 185. Shipping Operating Heaviest Section Fan Motor (HP) AT 220-112 AT 220-212 AT 220-312 AT 220-412 AT 220-512 AT 220-612 AT 220-712 AT 220-812 AT 220-912 AT 220-118 AT 220-218 AT 220-318 AT 220-418 AT 220-518 AT 220-618 AT 220-718 AT 220-818 AT 220-918 14000 13240 14100 13440 14200 15040 14400 15240 15740 18060 20600 19440 18360 19540 19740 21000 20240 21500 25080 24320 25180 24520 25280 26120 25480 26320 26820 34870 37410 36250 35170 36350 36550 37810 37050 38310 U 4750 U 4370 U 4800 U 4470 U 4850 U 5270 U 4950 U 5370 U 5620 U 5760 U 7030 U 6450 U 5910 U 6500 U 6600 U 7230 U 6850 U 7480 (2) 15 (2) 25 (2) 20 (2) 30 (2) 25 (2) 25 (2) 30 (2) 30 (2) 35 (2) 20 (2) 15 (2) 20 (2) 30 (2) 25 (2) 30 (2) 30 (2) 40 (2) 40 Air Flow (CFM) 143. (4) Adequate spacing must be allowed for access to the cooling tower. † Height does not include fan guard which ships loose. (5) These models are available as (2) independent operating cells with the addition of a flume plate.000 256.600 234. Consult the factory for details.000 243.100 166.400 182.000 176.300 157.800 261. 75 UT† F 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" .900 172.600 169.800 AT/USS H 14' 13' 14' 13' 14' 15' 14' 15' 15' 14' 16' 15' 14' 15' 15' 16' 15' 16' T 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 7' 6' 7' 6' 7' 8' 7' 8' 8' 6' 8' 7' 6' 7' 7' 8' 7' 8' 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" B 6' 6' 6' 6' 6' 6' 6' 6' 6' 7' 7' 7' 7' 7' 7' 7' 7' 7' 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" P L 10' 1" 9' 1" 10' 1" 9' 1" 10' 1" 11' 1" 10' 1" 11' 1" 11' 1" 10' 0" 12' 0" 11' 0" 10' 0" 11' 0" 11' 0" 12' 0" 11' 0" 12' 1/4" 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 11' 11-3/4" 18' 0" 18' 0" 18' 0" 18' 0" 18' 0" 18' 0" 18' 0" 18' 0" 18' 0"" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4"† NOTE: (1) An adequately sized bleed line must be installed in the cooling tower system to prevent build-up of impurities in the recirculated water. 76 † Mark owned by the Cooling Technology Institute . Read down the column until you find the GPM equal to or greater than the flow required. consult your iES Selection Program or local EVAPCO representative. Motor Hp AT 420-124 AT 420-224 AT 420-324 AT 420-424 AT 420-524 AT 420-624 AT 420-724 AT 420-824 AT 420-924 AT 420-136 AT 420-236 AT 420-336 AT 420-436 AT 420-536 AT 420-636 AT 420-736 AT 420-836 AT 420-936 (4) 15 (4) 25 (4) 20 (4) 30 (4) 25 (4) 25 (4) 30 (4) 30 (4) 35 (4) 20 (4) 15 (4) 20 (4) 30 (4) 25 (4) 30 (4) 30 (4) 40 (4) 40 EWT LWT WB 90° 80° 66° 4777 5110 5183 5340 5508 5640 5781 5933 6192 6059 6240 6615 6851 7085 7473 7704 8137 8401 EWT LWT WB 95° 85° 76° 4234 4505 4610 4717 4912 5042 5162 5305 5538 5270 5563 5839 5994 6276 6636 6885 7247 7510 † Thermal performance certified by the Cooling Technology Institute (CTI) in accordance with CTI Standard STD-201 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 95° 90° 95° 90° 95° 90° 95° 95° 80° 80° 80° 80° 80° 80° 80° 85° 66° 68° 68° 70° 70° 72° 72° 75° 3778 3991 4128 4188 4410 4554 4643 4792 5003 4622 4994 5190 5284 5597 5929 6211 6501 6783 4484 4781 4871 5002 5182 5312 5444 5588 5833 5625 5869 6192 6381 6646 7016 7254 7651 7912 3566 3747 3900 3939 4170 4326 4398 4554 4755 4313 4728 4883 4950 5275 5595 5897 6147 6442 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 100° 95° 97° 100° 102° 95° 96° 100° 85° 85° 87° 85° 85° 85° 86° 85° 76° 78° 78° 78° 78° 80° 80° 80° 102° 85° 80° 3375 3542 3702 3723 3964 4130 4182 4349 4542 4057 4495 4615 4667 4993 5308 5628 5838 6150 4433 4724 4818 4945 5127 5257 5387 5531 5773 5553 5806 6122 6302 6570 6939 7179 7570 7830 3687 3885 4031 4082 4306 4456 4538 4690 4896 4487 4879 5057 5138 5461 5784 6076 6348 6636 3488 3664 3819 3851 4087 4246 4310 4472 4669 4208 4633 4778 4836 5161 5481 5788 6024 6324 4473 4768 4859 4989 5170 5299 5431 5575 5820 5609 5855 6176 6363 6629 6998 7237 7633 7893 3948 4179 4307 4386 4595 4733 4836 4981 5200 4861 5205 5435 5545 5848 6191 6460 6781 7050 2955 3085 3260 3250 3504 3700 3706 3899 4074 3470 3991 4019 4035 4365 4662 5023 5154 5510 3126 3262 3434 3435 3685 3868 3893 4075 4257 3693 4188 4249 4277 4617 4914 5263 5428 5760 3584 3767 3919 3960 4189 4345 4418 4574 4775 4337 4749 4908 4977 5303 5623 5923 6176 6470 3446 3619 3776 3803 4042 4203 4262 4426 4622 4151 4582 4720 4775 5098 5418 5728 5954 6259 3011 3146 3318 3311 3567 3756 3768 3957 4135 3543 4058 4096 4116 4448 4749 5103 5245 5593 2756 2865 3050 3027 3283 3497 3480 3688 3854 3187 3751 3735 3726 4073 4346 4739 4830 5203 100° 85° 75° 3866 4088 4221 4290 4507 4647 4742 4890 5105 4749 5103 5318 5421 5726 6067 6340 6646 6921 2450 2531 2722 2686 2939 3179 3129 3358 3517 2765 3392 3316 3267 3616 3871 4298 4315 4730 3121 3257 3429 3430 3680 3863 3888 4070 4252 3686 4182 4242 4270 4609 4907 5256 5421 5753 To Make a Selection: Locate the column with the desired operating temperature conditions. For selections and conditions other than those stated.T HERMAL P ERFORMANCE MODELS: AT/UT/USS 420-124 to 420-936 Model No. Read horizontally to the left to find the model number of the unit that will perform the duty. Motor Hp AT 420-124 AT 420-224 AT 420-324 AT 420-424 AT 420-524 AT 420-624 AT 420-724 AT 420-824 AT 420-924 AT 420-136 AT 420-236 AT 420-336 AT 420-436 AT 420-536 AT 420-636 AT 420-736 AT 420-836 AT 420-936 (4) 15 (4) 25 (4) 20 (4) 30 (4) 25 (4) 25 (4) 30 (4) 30 (4) 35 (4) 20 (4) 15 (4) 20 (4) 30 (4) 25 (4) 30 (4) 30 (4) 40 (4) 40 Model No. 400 356.900 368. (3) Connections larger than 3” are Beveled for Welding (BFW) and grooved for a mechanical coupling.200 AT/USS H 16' 15' 16' 15' 16' 17' 16' 17' 17' 15' 17' 16' 15' 16' 16' 17' 16' 17' T 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 2" 7' 6' 7' 6' 7' 8' 7' 8' 8' 6' 8' 7' 6' 7' 7' 8' 7' 8' 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" 11-3/4" B 8' 8' 8' 8' 8' 8' 8' 8' 8' 8' 8' 8' 8' 8' 8' 8' 8' 8' 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" 2-1/4" P 12' 11' 12' 11' 12' 13' 12' 13' 13' 11' 13' 12' 11' 12' 12' 13' 12' 13' L 1" 1" 1" 1" 1" 1" 1" 1" 1" 0" 0" 0" 0" 0" 0" 0" 0" 0" 24' 24' 24' 24' 24' 24' 24' 24' 24' 36' 36' 36' 36' 36' 36' 36' 36' 36' 1-3/4" 1-3/4" 1-3/4" 1-3/4" 1-3/4" 1-3/4" 1-3/4" 1-3/4" 1-3/4" 2-1/2" 2-1/2" 2-1/2" 2-1/2" 2-1/2" 2-1/2" 2-1/2" 2-1/2" 2-1/2" UT† F 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4"† 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" NOTE: (1) An adequately sized bleed line must be installed in the cooling tower system to prevent build-up of impurities in the recirculated water.600 350. Dimensions are subject to change.200 460.900 453.600 336.300 364.200 405.000 412.300 435.500 331. Consult the factory for details.600 363. (2) Do not use catalog drawings for certified prints. ✦ Outlet connection extends 3/8” beyond bottom flange. (5) These models are available as (4) independent operating cells with the addition of water tight basin partitions and flume plate.E NGINEERING D ATA & D IMENSIONS MODELS: AT/UT/USS 420-124 to 420-936 Access Doors Swing Inside Unit ACCESS DOOR Four-Cell Cooling Towers ACCESS DOOR *420-124 thru 420-924 (4) 8" Inlet (2) 12" Outlet *420-136 thru 420-936 (4) 10" Inlet (4) 10" Outlet ACCESS DOOR 7 ACCESS DOOR F ACCESS DOOR ACCESS DOOR ACCESS DOOR ACCESS DOOR T * (4) 8 BFW/GVD INLET 2 58 7/8 H P B * (2) 12 BFW/GVD OUTLET (2) 3 FPT OVERFLOW (2) 2MPT MAKE-UP 93 5/8 108 3/4 112 1/2 113 1/2 117 3/4 (2) 3FPT DRAIN 5 1/8 25 1/4 16 7/8 9 1/2 3 3/4 ✦ 20' 5/8" 3/8 L L = Lower Section U = Upper Section Weights (LBS) Model No.000 313.800 469. † Height does not include fan guard which ships loose.400 504.500 343. Shipping AT 420-124 AT 420-224 AT 420-324 AT 420-424 AT 420-524 AT 420-624 AT 420-724 AT 420-824 AT 420-924 AT 420-136 AT 420-236 AT 420-336 AT 420-436 AT 420-536 AT 420-636 AT 420-736 AT 420-836 AT 420-936 27700 26180 27900 26580 28100 29780 28500 30180 31180 35780 40860 38540 36380 38740 39140 41660 40140 42660 Heaviest Operating Section 49840 48320 50040 48720 50240 51920 50640 52320 53320 69740 74820 72500 70340 72700 73100 75620 74100 76620 U 4750 U 4370 U 4800 U 4470 U 4850 U 5270 U 4950 U 5370 U 5620 L 6370 U 7030 U 6450 L 6370 U 6500 U 6600 U 7230 U 6850 U 7480 Dimensions Fan Motor (HP) Air Flow (CFM) (4) 15 (4) 25 (4) 20 (4) 30 (4) 25 (4) 25 (4) 30 (4) 30 (4) 35 (4) 20 (4) 15 (4) 20 (4) 30 (4) 25 (4) 30 (4) 30 (4) 40 (4) 40 286.500 496. (4) Adequate spacing must be allowed for access to the cooling tower. 77 . 78 † Mark owned by the Cooling Technology Institute . Motor Hp AT 224-018 AT 224-118 AT 224-218 AT 224-318 AT 224-418 AT 224-518 AT 224-618 AT 224-718 AT 224-818 AT 224-918 AT 224-720 AT 224-820 AT 224-920 (2) 25 (2) 30 (2) 25 (2) 40 (2) 30 (2) 30 (2) 40 (2) 50 (2) 50 (2) 60 (2) 40 (2) 50 (2) 60 EWT LWT WB 90° 80° 66° 4197 4399 4505 4795 4734 4878 5170 5518 5741 5955 5427 5865 6083 EWT LWT WB 95° 85° 76° 3675 3860 3998 4232 4211 4360 4613 4933 5134 5327 4851 5244 5439 † Thermal performance certified by the Cooling Technology Institute (CTI) in accordance with CTI Standard STD-201 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 95° 90° 95° 90° 95° 90° 95° 95° 80° 80° 80° 80° 80° 80° 80° 85° 66° 68° 68° 70° 70° 72° 72° 75° 3241 3410 3571 3754 3770 3936 4146 4443 4639 4813 4379 4737 4914 3911 4108 4228 4491 4449 4594 4867 5198 5408 5610 5111 5524 5730 3036 3200 3370 3527 3560 3738 3923 4211 4408 4575 4159 4501 4670 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 100° 95° 97° 100° 102° 95° 96° 100° 85° 85° 87° 85° 85° 85° 86° 85° 76° 78° 78° 78° 78° 80° 80° 80° 102° 85° 80° 2865 3018 3196 3335 3380 3567 3731 4009 4211 4370 3969 4297 4460 3862 4058 4182 4438 4400 4546 4815 5144 5352 5552 5058 5467 5671 3152 3321 3484 3658 3681 3850 4051 4343 4539 4710 4284 4635 4809 2966 3126 3301 3449 3487 3669 3845 4131 4329 4492 4082 4418 4585 3900 4097 4218 4479 4438 4583 4855 5186 5395 5597 5099 5511 5717 3399 3576 3730 3931 3933 4093 4318 4624 4821 5002 4554 4923 5107 2477 2617 2805 2909 2976 3191 3303 3559 3778 3922 3551 3851 3998 2625 2776 2959 3074 3135 3341 3470 3737 3948 4099 3717 4025 4179 3052 3218 3387 3546 3578 3754 3941 4230 4427 4594 4177 4520 4690 2928 3086 3263 3406 3447 3631 3802 4086 4285 4447 4040 4373 4539 2526 2670 2859 2963 3029 3242 3359 3618 3834 3981 3607 3909 4058 2289 2432 2615 2704 2783 3011 3096 3346 3575 3712 3350 3643 3782 100° 85° 75° 3323 3496 3654 3845 3854 4017 4235 4537 4733 4911 4469 4833 5014 2010 2137 2328 2395 2484 2733 2778 3012 3264 3391 3041 3311 3445 2620 2771 2954 3069 3130 3336 3465 3732 3943 4093 3712 4020 4173 To Make a Selection: Locate the column with the desired operating temperature conditions. Read horizontally to the left to find the model number of the unit that will perform the duty.T HERMAL P ERFORMANCE MODELS: AT/UT/USS 224-018 to 224-920 Model No. Motor Hp AT 224-018 AT 224-118 AT 224-218 AT 224-318 AT 224-418 AT 224-518 AT 224-618 AT 224-718 AT 224-818 AT 224-918 AT 224-720 AT 224-820 AT 224-920 (2) 25 (2) 30 (2) 25 (2) 40 (2) 30 (2) 30 (2) 40 (2) 50 (2) 50 (2) 60 (2) 40 (2) 50 (2) 60 Model No. Read down the column until you find the GPM equal to or greater than the flow required. consult your iES Selection Program or local EVAPCO representative. For selections and conditions other than those stated. 400 315.300 328. (2) Do not use catalog drawings for certified prints. † Height does not include fan guard which ships loose. (4) Adequate spacing must be allowed for access to the cooling tower.800 264. (5) These models are available as (2) independent operating cells with the addition of a flume plate. (3) Connections larger than 3” are Beveled for Welding (BFW) and grooved for a mechanical coupling. Dimensions are subject to change.100 268. 79 UT† F 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" . ✦ Outlet connection extends 3/8” beyond bottom flange.900 310.500 AT/USS H 15' 15' 16' 15' 16' 17' 16' 16' 17' 17' 17' 17' 17' T 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 7' 7' 8' 7' 8' 9' 8' 8' 9' 9' 9' 9' 9' 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" P 11' 11' 12' 11' 12' 13' 12' 12' 13' 13' 13' 13' 13' L 1" 1" 1" 1" 1" 1" 1" 1" 1" 1" 1" 1" 1" 18' 18' 18' 18' 18' 18' 18' 18' 18' 18' 20' 20' 20' 0" 0" 0" 0" 0" 0" 0" 0" 0" 0" 0" 0" 0" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4"† 1' 3-1/4"† 1' 3-1/4"† 1' 3-1/4"† NOTE: (1) An adequately sized bleed line must be installed in the cooling tower system to prevent build-up of impurities in the recirculated water.800 294. Consult the factory for details.700 333.000 254.E NGINEERING D ATA & D IMENSIONS MODELS: AT/UT/USS 224-018 to 224-920 Two-Cell Cooling Towers Access Doors Swing Inside Unit ACCESS DOOR ACCESS DOOR 7 F T 71 (2) 10 BFW/GVD INLET 2 ACCESS DOOR ACCESS DOOR H P 98 1/4 (2) 3 FPT OVERFLOW (2) 10 BFW/GVD OUTLET 25 1/4 16 7/8 117 7/8 (2) 2 MPT MAKE-UP 8 1/2 133 (2) 3 FPT DRAIN 136 3/4 3 3/4 137 3/4 142 5 1/8 ✦ 24' 1-1/8" 3/8 L L = Lower Section U = Upper Section Weights (LBS) Dimensions Model No.100 300. Shipping Operating Heaviest Section Fan Motor (HP) AT 224-018 AT 224-118 AT 224-218 AT 224-318 AT 224-418 AT 224-518 AT 224-618 AT 224-718 AT 224-818 AT 224-918 AT 224-720 AT 224-820 AT 224-920 21060 21280 22620 21800 22840 24320 23360 23480 24960 25180 26400 26520 26740 39600 39820 41160 40340 41380 42860 41900 42020 43500 43720 47200 47320 47540 U 6810 U 6920 U 7590 U 7180 U 7700 U 8440 U 7960 U 8020 U 8760 U 8870 U 9260 U 9320 U 9430 (2) 25 (2) 30 (2) 25 (2) 40 (2) 30 (2) 30 (2) 40 (2) 50 (2) 50 (2) 60 (2) 40 (2) 50 (2) 60 Air Flow (CFM) 258.700 293.200 274.700 314. For selections and conditions other than those stated. Motor Hp AT 424-024 AT 424-124 AT 424-224 AT 424-324 AT 424-424 AT 424-524 AT 424-624 AT 424-724 AT 424-824 AT 424-924 AT 424-028 AT 424-128 AT 424-228 AT 424-328 AT 424-428 AT 424-528 AT 424-628 AT 424-728 AT 424-828 AT 424-928 (4) 15 (4) 20 (4) 15 (4) 25 (4) 20 (4) 30 (4) 20 (4) 25 (4) 30 (4) 40 (4) 20 (4) 15 (4) 25 (4) 20 (4) 20 (4) 25 (4) 25 (4) 30 (4) 30 (4) 40 EWT LWT WB 90° 80° 66° 5323 5761 5725 6143 6200 6465 6378 6634 7014 7775 6275 6316 6718 6781 6976 7237 7468 7665 7927 8664 EWT LWT WB 95° 85° 76° 4648 5053 5072 5412 5513 5709 5701 5913 6263 6954 5480 5635 5891 6011 6233 6435 6675 6827 7087 7748 † Thermal performance certified by the Cooling Technology Institute (CTI) in accordance with CTI Standard STD-201 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 95° 90° 95° 90° 95° 90° 95° 95° 80° 80° 80° 80° 80° 80° 80° 85° 66° 68° 68° 70° 70° 72° 72° 75° 4091 4463 4524 4790 4934 5069 5145 5307 5633 6284 4825 5078 5203 5364 5621 5758 6025 6125 6401 7000 4955 5378 5371 5744 5825 6055 6007 6240 6605 7325 5840 5943 6270 6365 6569 6799 7033 7207 7466 8161 3835 4186 4266 4499 4658 4767 4886 5018 5335 5972 4522 4807 4879 5063 5335 5435 5721 5791 6080 6652 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 100° 95° 97° 100° 102° 95° 96° 100° 85° 85° 87° 85° 85° 85° 86° 85° 76° 78° 78° 78° 78° 80° 80° 80° 102° 85° 80° 3605 3948 4037 4250 4422 4506 4663 4769 5074 5705 4254 4576 4602 4791 5092 5161 5460 5501 5804 6354 4894 5311 5310 5676 5761 5987 5944 6173 6536 7249 5768 5880 6192 6294 6501 6724 6960 7131 7389 8077 3980 4346 4414 4664 4815 4940 5033 5182 5506 6149 4693 4961 5067 5234 5498 5620 5894 5980 6263 6850 3743 4089 4173 4399 4562 4660 4796 4919 5229 5864 4417 4713 4766 4952 5237 5324 5615 5676 5968 6531 4941 5363 5358 5728 5811 6040 5993 6225 6590 7308 5824 5929 6253 6350 6554 6782 7016 7190 7449 8142 4300 4680 4727 5019 5147 5308 5351 5532 5867 6530 5071 5283 5456 5605 5846 6007 6265 6388 6653 7275 3107 3421 3531 3699 3891 3933 4169 4214 4497 5119 3669 4068 3987 4195 4536 4540 4882 4857 5200 5698 3307 3628 3735 3915 4098 4157 4367 4434 4724 5349 3901 4267 4228 4438 4753 4782 5113 5115 5436 5954 3856 4209 4288 4522 4680 4792 4907 5042 5361 5997 4547 4829 4906 5088 5359 5462 5746 5819 6106 6680 3692 4036 4122 4345 4510 4602 4746 4864 5171 5805 4356 4662 4705 4892 5182 5263 5557 5610 5907 6465 3175 3489 3598 3774 3960 4007 4235 4289 4572 5196 3749 4134 4067 4275 4608 4621 4959 4943 5279 5783 2872 3175 3295 3436 3635 3662 3933 3948 4222 4845 3391 3832 3698 3913 4275 4241 4605 4551 4912 5391 100° 85° 75° 4199 4574 4628 4910 5044 5192 5251 5426 5754 6411 4952 5184 5333 5488 5738 5887 6149 6262 6531 7142 2504 2791 2926 3032 3244 3249 3569 3532 3797 4425 2960 3464 3253 3478 3877 3785 4180 4067 4465 4915 3301 3622 3729 3909 4092 4150 4361 4427 4717 5343 3895 4261 4221 4430 4746 4775 5106 5107 5429 5947 To Make a Selection: Locate the column with the desired operating temperature conditions. consult your iES Selection Program or local EVAPCO representative. 80 † Mark owned by the Cooling Technology Institute . Read horizontally to the left to find the model number of the unit that will perform the duty.T HERMAL P ERFORMANCE MODELS: AT/UT/USS 424-024 to 424-928 Model No. Motor Hp AT 424-024 AT 424-124 AT 424-224 AT 424-324 AT 424-424 AT 424-524 AT 424-624 AT 424-724 AT 424-824 AT 424-924 AT 424-028 AT 424-128 AT 424-228 AT 424-328 AT 424-428 AT 424-528 AT 424-628 AT 424-728 AT 424-828 AT 424-928 (4) 15 (4) 20 (4) 15 (4) 25 (4) 20 (4) 30 (4) 20 (4) 25 (4) 30 (4) 40 (4) 20 (4) 15 (4) 25 (4) 20 (4) 20 (4) 25 (4) 25 (4) 30 (4) 30 (4) 40 Model No. Read down the column until you find the GPM equal to or greater than the flow required. Consult the factory for details.600 360. 81 .300 353.E NGINEERING D ATA & D IMENSIONS MODELS: AT/UT/USS 424-024 to 424-928 Four-Cell Cooling Towers ACCESS DOOR Access Doors Swing Inside Unit *424-024 thru 924 (4) 8” Inlets (2) 12” Outlets ACCESS DOOR *424-028 thru 928 (4) 10” Inlets (4) 10” Outlets ACCESS DOOR ACCESS DOOR 7 F ACCESS DOOR ACCESS DOOR ACCESS DOOR ACCESS DOOR T 2 (2) * BFW/GVD OUTLET 71 H P 98 1/4 (2) 3 FPT OVERFLOW (2) * BFW/GVD OUTLET 117 7/8 133 136 3/4 (2) 2 MPT MAKE-UP (2) 3 FPT DRAIN 137 3/4 142 5 1/8 25 1/4 16 7/8 8 1/2 3 3/4 ✦ 24'-1 1/8" L = Lower Section U = Upper Section 3/8 L Weights (LBS) Dimensions Model No.400 347.300 AT/USS H 15' 15' 16' 15' 16' 15' 17' 16' 16' 17' 15' 17' 15' 16' 17' 16' 17' 16' 17' 17' T 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 7' 7' 8' 7' 8' 7' 9' 8' 8' 9' 7' 9' 7' 8' 9' 8' 9' 8' 9' 9' 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" P 11' 13' 11' 12' 13' 12' 13' 12' 13' 13' 11' 13' 11' 12' 13' 12' 13' 12' 13' 13' L 1" 1" 1" 1" 1" 1" 1" 1" 1" 1" 1" 1" 1" 1" 1" 1" 1" 1" 1" 1" 24' 24' 24' 24' 24' 24' 24' 24' 24' 24' 28' 28' 28' 28' 28' 28' 28' 28' 28' 28' 1-3/4" 1-3/4" 1-3/4" 1-3/4" 1-3/4" 1-3/4" 1-3/4" 1-3/4" 1-3/4" 1-3/4" 1-3/4" 1-3/4" 1-3/4" 1-3/4" 1-3/4" 1-3/4" 1-3/4" 1-3/4" 1-3/4" 1-3/4" UT† F 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4"† 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3' 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" NOTE: (1) An adequately sized bleed line must be installed in the cooling tower system to prevent build-up of impurities in the recirculated water.000 379.200 409.600 400. Shipping Operating Heaviest Section AT 424-024 AT 424-124 AT 424-224 AT 424-324 AT 424-424 AT 424-524 AT 424-624 AT 424-724 AT 424-824 AT 424-924 AT 424-028 AT 424-128 AT 424-228 AT 424-328 AT 424-428 AT 424-528 AT 424-628 AT 424-728 AT 424-828 AT 424-928 30040 30240 32200 30440 32400 30840 34360 32600 33000 35960 33480 37960 33720 36120 38200 36360 38440 36640 38720 39760 54900 55100 57060 55300 57260 55700 59220 57460 57860 60820 62940 67420 63180 65580 67660 65820 67900 66100 68180 69220 L 5020 U 5050 U 5540 U 5100 U 5590 U 5200 U 6080 U 5640 U 5740 U 6480 L 5760 U 6610 L 5760 U 6150 U 6670 U 6210 U 6730 U 6280 U 6800 U 7060 Fan Motor (HP) Air Flow (CFM) (4) 15 (4) 20 (4) 15 (4) 25 (4) 20 (4) 30 (4) 20 (4) 25 (4) 30 (4) 40 (4) 20 (4) 15 (4) 25 (4) 20 (4) 20 (4) 25 (4) 25 (4) 30 (4) 30 (4) 40 322.400 424.600 387.400 401. † Height does not include fan guard which ships loose.700 393.300 416. ✦ Outlet connection extends 3/8” beyond bottom flange.900 341.500 394.600 372. Dimensions are subject to change.900 372.900 329.400 317.300 366.900 448. (2) Do not use catalog drawings for certified prints. (4) Adequate spacing must be allowed for access to the cooling tower. (3) Connections larger than 3” are Beveled for Welding (BFW) and grooved for a mechanical coupling. (5) These models are available as (4) independent operating cells with the addition of water tight basin partitions and flume plate. 82 † Mark owned by the Cooling Technology Institute . Motor Hp AT 424-036 AT 424-136 AT 424-236 AT 424-336 AT 424-436 AT 424-536 AT 424-636 AT 424-736 AT 424-836 AT 424-936 (4) 20 (4) 25 (4) 25 (4) 40 (4) 30 (4) 30 (4) 40 (4) 50 (4) 50 (4) 60 Model No.T HERMAL P ERFORMANCE MODELS: AT/UT/USS 424-036 to 424-936 Model No. Read down the column until you find the GPM equal to or greater than the flow required. consult your iES Selection Program or local EVAPCO representative. For selections and conditions other than those stated. Read horizontally to the left to find the model number of the unit that will perform the duty. Motor Hp AT 424-036 AT 424-136 AT 424-236 AT 424-336 AT 424-436 AT 424-536 AT 424-636 AT 424-736 AT 424-836 AT 424-936 (4) 20 (4) 25 (4) 25 (4) 40 (4) 30 (4) 30 (4) 40 (4) 50 (4) 50 (4) 60 EWT LWT WB 90° 80° 66° 95° 85° 76° Thermal performance certified by the Cooling Technology Institute (CTI) in accordance with CTI Standard STD-201 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 95° 90° 95° 90° 95° 90° 95° 95° 80° 80° 80° 80° 80° 80° 80° 85° 66° 68° 68° 70° 70° 72° 72° 75° 7701 8112 8732 9286 9183 9471 10037 10716 11148 11565 EWT LWT WB † 5902 6239 6905 7243 7296 7638 8031 8612 9006 9346 7070 7457 8103 8581 8529 8826 9341 9987 10392 10782 5382 5712 6374 6652 6744 7118 7443 7999 8404 8721 6200 6556 7215 7588 7614 7943 8371 8970 9360 9713 4744 5045 5710 5920 6051 6478 6710 7229 7661 7954 5308 5633 6296 6570 6666 7045 7361 7910 8319 8633 4121 4385 5036 5196 5357 5832 5976 6466 6935 7203 7161 7550 8196 8683 8624 8919 9441 10092 10501 10895 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 100° 95° 97° 100° 102° 95° 96° 100° 85° 85° 87° 85° 85° 85° 86° 85° 76° 78° 78° 78° 78° 80° 80° 80° 6716 7085 7739 8183 8161 8465 8947 9572 9969 10343 5186 5501 6167 6426 6537 6921 7217 7761 8176 8485 5742 6068 6738 7051 7118 7472 7842 8418 8813 9146 7141 7529 8176 8660 8603 8898 9419 10068 10477 10870 4453 4745 5398 5593 5746 6182 6378 6881 7331 7612 5550 5878 6550 6838 6918 7284 7629 8199 8596 8920 4549 4849 5501 5707 5847 6280 6492 6997 7441 7726 6055 6402 7065 7423 7461 7796 8210 8797 9189 9535 3568 3828 4475 4586 4775 5291 5347 5814 6322 6578 100° 85° 75° 5517 5847 6516 6802 6885 7253 7594 8162 8559 8882 102° 85° 80° 4735 5036 5701 5910 6042 6469 6700 7219 7651 7944 To Make a Selection: Locate the column with the desired operating temperature conditions. E NGINEERING D ATA & D IMENSIONS MODELS: AT/UT/USS 424-036 to 424-936 Four-Cell Cooling Towers Access Doors Swing Inside Unit ACCESS DOOR ACCESS DOOR ACCESS DOOR ACCESS DOOR 7 H (4) 10 BFW/GVD OUTLET ACCESS DOOR ACCESS DOOR ACCESS DOOR ACCESS DOOR T 71 2 H P 98 1/4 (2) 3 FPT OVERFLOW (4) 10 BFW/GVD OUTLET (2) 2 MPT MAKE-UP 117 7/8 133 136 3/4 (2) 3 FPT DRAIN 137 3/4 142 5 1/8 25 1/4 16 7/8 8 1/2 3 3/4 ✦ 24' 1-1/8" 3/8 L L = Lower Section U = Upper Section Weights (LBS) Dimensions Model No.300 498. (3) Connections larger than 3” are Beveled for Welding (BFW) and grooved for a mechanical coupling. 83 .000 489.800 567.900 609. Consult the factory for details.500 AT/USS H 15' 15' 16' 15' 16' 17' 16' 16' 17' 17' T 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 7' 7' 8' 7' 8' 9' 8' 8' 9' 9' 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" P 11' 11' 12' 11' 12' 13' 12' 12' 13' 13' UT† F 1" 1" 1" 1" 1" 1" 1" 1" 1" 1" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4"† 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" NOTE: (1) An adequately sized bleed line must be installed in the cooling tower system to prevent build-up of impurities in the recirculated water.200 598. (5) These models are available as (4) independent operating cells with the addition of a water tight basin partitions and flume plate.800 634.600 578. Dimensions are subject to change. ✦ Outlet connection extends 3/8” beyond bottom flange.200 510. † Height does not include fan guard which ships loose. (4) Adequate spacing must be allowed for access to the cooling tower.400 519. (2) Do not use catalog drawings for certified prints. Shipping Operating Heaviest Section Fan Motor (HP) AT 424-036 AT 424-136 AT 424-236 AT 424-336 AT 424-436 AT 424-536 AT 424-636 AT 424-736 AT 424-836 AT 424-936 42000 42200 45320 43680 45760 48720 46800 47040 50000 50440 79280 79480 82600 80960 83040 86000 84080 84320 87280 87720 L 7480 L 7480 U 7590 L 7480 U 7700 U 8440 U 7960 U 8020 U 8760 U 8870 (4) 20 (4) 25 (4) 25 (4) 40 (4) 30 (4) 30 (4) 40 (4) 50 (4) 50 (4) 60 Air Flow (CFM) 463. consult your iES Selection Program or local EVAPCO representative. Motor Hp AT 114-0124 AT 114-0224 AT 114-0324 AT 114-0424 AT 114-0524 AT 114-0624 AT 114-0724 AT 114-0824 AT 114-0924 AT 114-1024 AT 114-1124 AT 114-1224 30 40 25 50 30 40 40 50 50 60 60 75 EWT LWT WB 90° 80° 66° 2919 3135 3187 3345 3325 3463 3603 3670 3793 3876 4011 4221 EWT LWT WB 95° 85° 76° 2542 2737 2843 2931 2968 3071 3220 3264 3390 3453 3586 3774 † Thermal performance certified by the Cooling Technology Institute (CTI) in accordance with CTI Standard STD-201 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 95° 90° 95° 90° 95° 90° 95° 95° 80° 80° 80° 80° 80° 80° 80° 85° 66° 68° 68° 70° 70° 72° 72° 75° 2232 2409 2562 2588 2675 2741 2905 2921 3060 3098 3239 3409 2711 2918 2998 3120 3130 3250 3393 3449 3572 3645 3778 3976 2082 2258 2425 2425 2538 2588 2757 2758 2906 2929 3077 3240 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 100° 95° 97° 100° 102° 95° 96° 100° 85° 85° 87° 85° 85° 85° 86° 85° 76° 78° 78° 78° 78° 80° 80° 80° 102° 85° 80° 1958 2123 2309 2288 2416 2450 2631 2619 2773 2782 2937 3094 2677 2882 2967 3081 3097 3215 3358 3411 3535 3606 3739 3935 2167 2343 2503 2518 2617 2675 2841 2852 2993 3025 3169 3336 2031 2204 2378 2369 2489 2533 2706 2701 2852 2871 3020 3181 2704 2910 2991 3111 3122 3242 3385 3440 3563 3636 3769 3967 2345 2532 2665 2713 2783 2865 3021 3048 3182 3231 3367 3544 1677 1829 2052 1980 2150 2148 2347 2305 2480 2457 2632 2773 1785 1947 2153 2099 2255 2269 2459 2427 2597 2587 2751 2899 2094 2270 2436 2438 2550 2600 2769 2772 2918 2943 3090 3254 2004 2173 2352 2339 2462 2502 2678 2671 2823 2838 2989 3148 1713 1869 2086 2020 2185 2189 2384 2345 2520 2501 2671 2815 1545 1691 1933 1834 2025 2003 2214 2153 2340 2302 2486 2624 100° 85° 75° 2290 2472 2615 2652 2731 2805 2965 2987 3123 3167 3305 3479 1339 1473 1747 1614 1834 1781 2007 1922 2124 2057 2260 2388 1782 1944 2150 2096 2252 2266 2456 2424 2594 2583 2747 2895 To Make a Selection: Locate the column with the desired operating temperature conditions.T HERMAL P ERFORMANCE MODELS: AT/UT/USS 114-0124 to 114-1324 Model No. 84 † Mark owned by the Cooling Technology Institute . Motor Hp AT 114-0124 AT 114-0224 AT 114-0324 AT 114-0424 AT 114-0524 AT 114-0624 AT 114-0724 AT 114-0824 AT 114-0924 AT 114-1024 AT 114-1124 AT 114-1224 30 40 25 50 30 40 40 50 50 60 60 75 Model No. Read horizontally to the left to find the model number of the unit that will perform the duty. For selections and conditions other than those stated. Read down the column until you find the GPM equal to or greater than the flow required. (3) Connections larger than 3” are Beveled for Welding (BFW) and grooved for a mechanical coupling.100 190.300 197.200 212.100 AT/USS H 16' 16' 18' 16' 18' 17' 18' 17' 18' 17' 18' 18' 3/8" 3/8" 3/8" 3/8" 3/8" 3/8" 3/8" 3/8" 3/8" 3/8" 3/8" 3/8" T 7' 7' 9' 7' 9' 8' 9' 8' 9' 8' 9' 9' F P 9" 9" 9" 9" 9" 9" 9" 9" 9" 9" 9" 9" 11' 11' 13' 11' 13' 12' 13' 12' 13' 12' 13' 13' 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 1' 3-1/4"† 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" NOTE: (1) An adequately sized bleed line must be installed in the cooling tower system to prevent build-up of impurities in the recirculated water. ✦ Outlet connection extends 3/8” beyond bottom flange.600 163. Shipping Operating Heaviest Section AT 114-0124 AT 114-0224 AT 114-0324 AT 114-0424 AT 114-0524 AT 114-0624 AT 114-0724 AT 114-0824 AT 114-0924 AT 114-1024 AT 114-1124 AT 114-1224 16510 16660 18570 17010 18590 17700 18740 18050 19090 18220 19260 19500 32360 32510 34420 32860 34440 33550 34590 33900 34940 34070 35110 35350 U 10670 U 10820 U 12730 U 11170 U 12750 U 11860 U 12900 U 12210 U 13250 U 12380 U 13420 U 13660 Fan Motor (HP) Air Flow (CFM) 30 40 25 50 30 40 40 50 50 60 60 75 180.600 217.900 208. (4) Adequate spacing must be allowed for access to the cooling tower. Dimensions are subject to change.300 173. † Height includes fan guard which ships factory mounted. 85 UT 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" .000 220. (2) Do not use catalog drawings for certified prints.400 194.500 205.E NGINEERING D ATA & D IMENSIONS MODELS: AT/UT/USS 114-0124 to 114-1224 ACCESS DOOR SWINGS MOUNT INSIDE One-Cell Cooling Towers ACCESS DOOR 7 F ACCESS DOOR T 14 BFW/GOOVED INLET 142 1/2 2 H P 99 3/8 4 FPT OVERFLOW 26 3/8 ✦ 4 FPT DRAIN 17 3/8 72 1/4 9 142 1/2 3 5/8 13' 11-1/4" 14 BFW/GROOVED OUTLET 3 MPT MAKE-UP 9 284 7/8 L = Lower Section U = Upper Section Weights (LBS) Dimensions Model No.100 233. Read horizontally to the left to find the model number of the unit that will perform the duty.T HERMAL P ERFORMANCE MODELS: AT/UT/USS 214-0148 to 214-1148 Model No. 86 † Mark owned by the Cooling Technology Institute . Motor Hp AT 214-0148 AT 214-0248 AT 214-0348 AT 214-0448 AT 214-0548 AT 214-0648 AT 214-0748 AT 214-0848 AT 214-0948 AT 214-1048 AT 214-1148 (2) 30 (2) 40 (2) 50 (2) 25 (2) 30 (2) 40 (2) 40 (2) 50 (2) 60 (2) 60 (2) 75 EWT LWT WB 90° 80° 66° 5715 6136 6556 6260 6533 6798 7081 7453 7614 7883 8295 EWT LWT WB 95° 85° 76° 4970 5354 5740 5584 5831 6023 6327 6661 6778 7047 7416 † Thermal performance certified by the Cooling Technology Institute (CTI) in accordance with CTI Standard STD-201 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 95° 90° 95° 90° 95° 90° 95° 95° 80° 80° 80° 80° 80° 80° 80° 85° 66° 68° 68° 70° 70° 72° 72° 75° 4357 4709 5062 5027 5255 5374 5706 6011 6076 6364 6699 5306 5711 6109 5890 6148 6380 6667 7018 7158 7424 7813 4066 4409 4742 4759 4981 5069 5416 5708 5745 6044 6366 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 100° 95° 97° 100° 102° 95° 96° 100° 85° 85° 87° 85° 85° 85° 86° 85° 76° 78° 78° 78° 78° 80° 80° 80° 102° 85° 80° 3823 4143 4474 4531 4741 4798 5168 5447 5454 5770 6077 5239 5637 6033 5828 6083 6307 6598 6945 7082 7347 7732 4230 4581 4923 4911 5139 5243 5580 5880 5933 6226 6556 3968 4300 4633 4666 4884 4959 5316 5602 5627 5933 6249 5291 5694 6092 5876 6133 6363 6652 7002 7141 7407 7795 4585 4947 5310 5235 5466 5615 5934 6251 6339 6615 6963 3270 3563 3868 4025 4217 4198 4606 4867 4810 5169 5447 3480 3797 4100 4222 4424 4441 4826 5100 5068 5403 5694 4089 4435 4767 4781 5004 5096 5439 5733 5773 6070 6393 3914 4241 4573 4616 4831 4898 5261 5544 5562 5872 6185 3339 3640 3945 4091 4286 4278 4679 4944 4896 5247 5529 3000 3295 3574 3790 3973 3917 4341 4591 4508 4878 5153 100° 85° 75° 4479 4831 5191 5137 5364 5498 5824 6135 6212 6494 6836 2604 2862 3139 3425 3594 3479 3937 4166 4023 4433 4685 3474 3790 4093 4216 4418 4433 4819 5093 5060 5396 5687 To Make a Selection: Locate the column with the desired operating temperature conditions. Read down the column until you find the GPM equal to or greater than the flow required. consult your iES Selection Program or local EVAPCO representative. Motor Hp AT 214-0148 AT 214-0248 AT 214-0348 AT 214-0448 AT 214-0548 AT 214-0648 AT 214-0748 AT 214-0848 AT 214-0948 AT 214-1048 AT 214-1148 (2) 30 (2) 40 (2) 50 (2) 25 (2) 30 (2) 40 (2) 40 (2) 50 (2) 60 (2) 60 (2) 75 Model No. For selections and conditions other than those stated. 800 429. Consult the factory for details.300 384.400 323. Shipping Operating Heaviest Section AT 214-0148 AT 214-0248 AT 214-0348 AT 214-0448 AT 214-0548 AT 214-0648 AT 214-0748 AT 214-0848 AT 214-0948 AT 214-1048 AT 214-1148 32780 33080 33780 36900 36940 35160 37240 37940 36200 38280 38760 64480 64780 65480 68600 68640 66860 68940 69640 67900 69980 70460 U 10670 U 10820 U 11170 U 12730 U 12750 U 11860 U 12900 U 13250 U 12380 U 13420 U 13660 Fan Motor (HP) Air Flow (CFM) (2) 30 (2) 40 (2) 50 (2) 25 (2) 30 (2) 40 (2) 40 (2) 50 (2) 60 (2) 60 (2) 75 357. (3) Connections larger than 3” are Beveled for Welding (BFW) and grooved for a mechanical coupling. 87 UT 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" .000 391. Dimensions are subject to change. (4) Adequate spacing must be allowed for access to the cooling tower.500 AT/USS H 16' 16' 16' 18' 18' 17' 18' 18' 17' 18' 18' 3/8" 3/8" 3/8" 3/8" 3/8" 3/8" 3/8" 3/8" 3/8" 3/8" 3/8" T 7' 7' 7' 9' 9' 8' 9' 9' 8' 9' 9' P 9" 9" 9" 9" 9" 9" 9" 9" 9" 9" 9" 11' 11' 11' 13' 13' 12' 13' 13' 12' 13' 13' 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" F 1' 3-1/4"† 1' 3-1/4"† 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" NOTE: (1) An adequately sized bleed line must be installed in the cooling tower system to prevent build-up of impurities in the recirculated water.000 405.E NGINEERING D ATA & D IMENSIONS MODELS: AT/UT/USS 214-0148 to 214-1148 Two-Cell Cooling Towers ACCESS DOOR ACCESS DOOR SWINGS MOUNT INSIDE ACCESS DOOR 7 F ACCESS DOOR ACCESS DOOR T (2) 14 BFW/GROOVED OUTLET 2 142 1/2 142 1/2 H P 99 3/8 26 3/8 ✦ 142 1/2 9 3 5/8 (2) 4 FPT OVERFLOW 212 5/8 17 3/8 (2) 3 MPT MAKE-UP (2) 14 BFW/GROOVED OUTLET (2) 4 FPT DRAIN 275 7/8 284 7/8 2 1/2 13' 11-3/8" 47' 8-1/4" L = Lower Section U = Upper Section Weights (LBS) Dimensions Model No. † Height includes fan guard which ships factory mounted.200 420.900 436. (2) Do not use catalog drawings for certified prints. ✦ Outlet connection extends 3/8” beyond bottom flange.100 343. (5) These models are available as (2) independent operating cells with the addition of a flume plate.300 378.900 461. T HERMAL P ERFORMANCE MODELS: AT/UT/USS 314-0172 to 314-1272 Model No. Motor Hp AT 314-0172 AT 314-0272 AT 314-0372 AT 314-0472 AT 314-0572 AT 314-0672 AT 314-0772 AT 314-0872 AT 314-0972 AT 314-1072 AT 314-1172 AT 314-1272 (3) 30 (3) 40 (3) 50 (3) 25 (3) 30 (3) 40 (3) 50 (3) 40 (3) 50 (3) 60 (3) 60 (3) 75 Model No. Read down the column until you find the GPM equal to or greater than the flow required. For selections and conditions other than those stated. Motor Hp AT 314-0172 AT 314-0272 AT 314-0372 AT 314-0472 AT 314-0572 AT 314-0672 AT 314-0772 AT 314-0872 AT 314-0972 AT 314-1072 AT 314-1172 AT 314-1272 (3) 30 (3) 40 (3) 50 (3) 25 (3) 30 (3) 40 (3) 50 (3) 40 (3) 50 (3) 60 (3) 60 (3) 75 EWT LWT WB 90° 80° 66° 95° 85° 76° Thermal performance certified by the Cooling Technology Institute (CTI) in accordance with CTI Standard STD-201 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 95° 90° 95° 90° 95° 90° 95° 95° 80° 80° 80° 80° 80° 80° 80° 85° 66° 68° 68° 70° 70° 72° 72° 75° 8499 9132 9757 9324 9731 10122 10736 10547 11101 11340 11742 12357 EWT LWT WB † 6474 7004 7525 7484 7826 7997 8526 8498 8953 9044 9479 9979 7792 8387 8975 8680 9061 9388 9970 9828 10345 10547 10944 11518 5896 6392 6888 6947 7271 7376 7881 7917 8343 8373 8836 9308 6817 7358 7897 7796 8141 8356 8899 8838 9310 9436 9854 10372 5168 5640 6092 6285 6585 6601 7070 7184 7592 7538 8047 8480 5817 6304 6800 6872 7192 7286 7791 7835 8257 8277 8746 9212 4449 4897 5307 5640 5914 5823 6257 6462 6836 6706 7262 7674 7892 8496 9088 8772 9157 9496 10081 9931 10454 10661 11059 11638 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 100° 95° 97° 100° 102° 95° 96° 100° 85° 85° 87° 85° 85° 85° 86° 85° 76° 78° 78° 78° 78° 80° 80° 80° 7389 7966 8536 8317 8684 8966 9539 9423 9922 10093 10496 11047 5676 6159 6647 6746 7059 7137 7637 7697 8112 8116 8593 9052 6286 6814 7318 7312 7653 7803 8318 8311 8758 8832 9273 9765 7869 8471 9062 8752 9135 9472 10056 9908 10430 10636 11033 11611 4857 5293 5748 5992 6277 6241 6713 6857 7246 7155 7698 8112 6077 6592 7088 7118 7449 7579 8085 8101 8538 8591 9040 9523 4959 5407 5862 6089 6380 6360 6832 6966 7361 7282 7814 8235 6655 7186 7721 7649 7989 8182 8721 8674 9137 9246 9673 10182 3864 4247 4654 5097 5349 5171 5577 5861 6201 5981 6599 6975 100° 85° 75° 6042 6553 7050 7085 7415 7540 8046 8066 8501 8549 9001 9481 102° 85° 80° 5158 5630 6081 6276 6576 6590 7059 7174 7582 7527 8037 8469 To Make a Selection: Locate the column with the desired operating temperature conditions. 88 † Mark owned by the Cooling Technology Institute . Read horizontally to the left to find the model number of the unit that will perform the duty. consult your iES Selection Program or local EVAPCO representative. 800 570.300 685.300 AT/USS H 16' 16' 16' 18' 18' 17' 17' 18' 18' 17' 18' 18' 3/8" 3/8" 3/8" 3/8" 3/8" 3/8" 3/8" 3/8" 3/8" 3/8" 3/8" 3/8" T 7' 7' 7' 9' 9' 8' 8' 9' 9' 8' 9' 9' 9" 9" 9" 9" 9" 9" 9" 9" 9" 9" 9" 9" 11' 11' 11' 13' 13' 12' 12' 13' 13' 12' 13' 13' 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 1' 3-1/4"† 1' 3-1/4"† 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" NOTE: (1) An adequately sized bleed line must be installed in the cooling tower system to prevent build-up of impurities in the recirculated water.600 638. Shipping Operating Heaviest Section Fan Motor (HP) AT 314-0172 AT 314-0272 AT 314-0372 AT 314-0472 AT 314-0572 AT 314-0672 AT 314-0772 AT 314-0872 AT 314-0972 AT 314-1072 AT 314-1172 AT 314-1272 53550 54000 55050 59730 59790 57120 58170 60240 61290 58680 61800 62520 101100 101550 102600 107280 107340 104670 105720 107790 108840 106230 109350 110070 U 10670 U 10820 U 11170 U 12730 U 12750 U 11860 U 12210 U 12900 U 13250 U 12380 U 13420 U 13660 (3) 30 (3) 40 (3) 50 (3) 25 (3) 30 (3) 40 (3) 50 (3) 40 (3) 50 (3) 60 (3) 60 (3) 75 Air Flow (CFM) 530. (2) Do not use catalog drawings for certified prints.100 580. (4) Adequate spacing must be allowed for access to the cooling tower.700 648. (5) These models are available as (3) independent operating cells with the addition of flume plates. 89 UT F P 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" .700 613.200 479. Consult the factory for details.E NGINEERING D ATA & D IMENSIONS MODELS: AT/UT/USS 314-0172 to 314-1272 Three-Cell Cooling Towers ACCESS DOOR SWINGS MOUNT INSIDE ACCESS DOOR ACCESS DOOR 7 ACCESS DOOR F ACCESS DOOR ACCESS DOOR ACCESS DOOR T (3) 14 BFW/GROOVED INLET 142 1/2 2 H P 99 3/8 26 142 1/2 3/8" ✦ 17 3/8 275 7/8 9 284 7/8 3 5/8 13' 11-3/8" (3) 3 MPT MAKE-UP (3) 4 FPT OVERFLOW 9 72 1/4 212 5/8 (3) 14 BFW/GROOVED OUTLET (3) 4 FPT DRAIN 2 1/2 71' 7-5/8" L = Lower Section U = Upper Section Weights (LBS) Dimensions Model No. Dimensions are subject to change. † Height includes fan guard which ships factory mounted. ✦ Outlet connection extends 3/8” beyond bottom flange. (3) Connections larger than 3” are Beveled for Welding (BFW) and grooved for a mechanical coupling.900 624.800 509.000 561.200 602. Read down the column until you find the GPM equal to or greater than the flow required. consult your iES Selection Program or local EVAPCO representative. Motor Hp AT 228-0124 AT 228-0224 AT 228-0324 AT 228-0424 AT 228-0524 AT 228-0624 AT 228-0724 AT 228-0824 AT 228-0924 (2) 40 (2) 50 (2) 25 (2) 30 (2) 40 (2) 50 (2) 60 (2) 60 (2) 75 Model No. Motor Hp AT 228-0124 AT 228-0224 AT 228-0324 AT 228-0424 AT 228-0524 AT 228-0624 AT 228-0724 AT 228-0824 AT 228-0924 (2) 40 (2) 50 (2) 25 (2) 30 (2) 40 (2) 50 (2) 60 (2) 60 (2) 75 EWT LWT WB 90° 80° 66° 6110 6527 6235 6507 6769 7179 7583 7852 8262 EWT LWT WB 95° 85° 76° 5330 5712 5562 5807 5997 6380 6750 7019 7387 † Thermal performance certified by the Cooling Technology Institute (CTI) in accordance with CTI Standard STD-201 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 95° 90° 95° 90° 95° 90° 95° 95° 80° 80° 80° 80° 80° 80° 80° 85° 66° 68° 68° 70° 70° 72° 72° 75° 4687 5036 5006 5233 5350 5703 6049 6338 6673 5685 6080 5866 6123 6352 6742 7129 7395 7782 4387 4718 4739 4959 5045 5382 5719 6019 6340 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 100° 95° 97° 100° 102° 95° 96° 100° 85° 85° 87° 85° 85° 85° 86° 85° 76° 78° 78° 78° 78° 80° 80° 80° 102° 85° 80° 4122 4450 4512 4721 4775 5110 5429 5746 6053 5612 6005 5804 6059 6279 6668 7053 7318 7701 4560 4898 4890 5118 5220 5564 5907 6201 6530 4279 4609 4647 4863 4935 5272 5601 5909 6224 5669 6063 5852 6109 6335 6725 7112 7377 7764 4924 5284 5213 5444 5590 5952 6312 6589 6935 3544 3848 4008 4199 4177 4492 4787 5148 5425 3777 4078 4204 4405 4418 4730 5044 5381 5671 4413 4743 4760 4982 5071 5408 5747 6045 6368 4220 4551 4596 4810 4875 5211 5537 5848 6160 3620 3924 4073 4267 4256 4571 4872 5225 5507 3278 3554 3773 3956 3897 4188 4487 4857 5132 100° 85° 75° 4809 5166 5116 5342 5473 5833 6185 6468 6808 2845 3118 3410 3578 3461 3733 4002 4414 4665 3770 4071 4198 4399 4410 4723 5036 5374 5664 To Make a Selection: Locate the column with the desired operating temperature conditions.T HERMAL P ERFORMANCE MODELS: AT/UT/USS 228-0124 to 228-0924 Model No. Read horizontally to the left to find the model number of the unit that will perform the duty. 90 † Mark owned by the Cooling Technology Institute . For selections and conditions other than those stated. 200 322.400 418.200 342. ✦ Outlet connection extends 3/8” beyond bottom flange.400 410. (2) Do not use catalog drawings for certified prints. Consult the factory for details.800 427. (4) Adequate spacing must be allowed for access to the cooling tower. 91 UT 2' 2' 2' 2' 2' 2' 2' 2' 2' 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" . (5) These models are available as (2) independent operating cells with the addition of a flume plate. † Height includes fan guard which ships factory mounted. Shipping Operating Heaviest Section AT 228-0124 AT 228-0224 AT 228-0324 AT 228-0424 AT 228-0524 AT 228-0624 AT 228-0724 AT 228-0824 AT 228-0924 32760 33460 36580 36620 34840 35540 35880 37960 38440 64460 65160 68280 68320 66540 67240 67580 69660 70140 U 10820 U 11170 U 12730 U 12750 U 11860 U 12210 U 12380 U 13420 U 13660 Fan Motor (HP) Air Flow (CFM) (2) 40 (2) 50 (2) 25 (2) 30 (2) 40 (2) 50 (2) 60 (2) 60 (2) 75 389.300 382.E NGINEERING D ATA & D IMENSIONS MODELS: AT/UT/USS 228-0124 to 228-0924 ACCESS DOOR SWINGS MOUNT INSIDE Two-Cell Cooling Towers ACCESS DOOR ACCESS DOOR 7 F ACCESS DOOR ACCESS DOOR T (2) 14 BFW/GROOVED INLET 2 142 3/8 H P 99 3/8 26 (2) 4 FPT OVERFLOW (2) 14 BFW/GROOVED OUTLET (2) 3 MPT MAKE-UP 138 157 1/4 (2) 4 FPT DRAIN 17 3/8 161 1/2 9 162 1/2 5 1/8 28' 3-5/8" 4 1/4 167 1/4 ✦ 3/8 23' 8-3/4" L = Lower Section U = Upper Section Weights (LBS) Dimensions Model No. (3) Connections larger than 3” are Beveled for Welding (BFW) and grooved for a mechanical coupling.200 AT/USS H 16' 16' 18' 18' 17' 17' 17' 18' 18' 3/8" 3/8" 3/8" 3/8" 3/8" 3/8" 3/8" 3/8" 3/8" T 7' 7' 9' 9' 8' 8' 8' 9' 9' P 9" 9" 9" 9" 9" 9" 9" 9" 9" 11' 11' 13' 13' 12' 12' 12' 13' 13' 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" F 1' 3-1/4"† 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" NOTE: (1) An adequately sized bleed line must be installed in the cooling tower system to prevent build-up of impurities in the recirculated water.500 434. Dimensions are subject to change.800 459. Motor Hp AT 428-0148 AT 428-0248 AT 428-0348 AT 428-0448 AT 428-0548 AT 428-0648 AT 428-0748 AT 428-0848 AT 428-0948 AT 428-1048 AT 428-1148 AT 428-1248 (4) 30 (4) 40 (4) 50 (4) 25 (4) 30 (4) 40 (4) 50 (4) 40 (4) 50 (4) 60 (4) 60 (4) 75 Model No. consult your iES Selection Program or local EVAPCO representative.T HERMAL P ERFORMANCE MODELS: AT/UT/USS 428-0148 to 428-1248 Model No. Read down the column until you find the GPM equal to or greater than the flow required. For selections and conditions other than those stated. Motor Hp AT 428-0148 AT 428-0248 AT 428-0348 AT 428-0448 AT 428-0548 AT 428-0648 AT 428-0748 AT 428-0848 AT 428-0948 AT 428-1048 AT 428-1148 AT 428-1248 (4) 30 (4) 40 (4) 50 (4) 25 (4) 30 (4) 40 (4) 50 (4) 40 (4) 50 (4) 60 (4) 60 (4) 75 EWT LWT WB 90° 80° 66° 95° 85° 76° Thermal performance certified by the Cooling Technology Institute (CTI) in accordance with CTI Standard STD-201 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 95° 90° 95° 90° 95° 90° 95° 95° 80° 80° 80° 80° 80° 80° 80° 85° 66° 68° 68° 70° 70° 72° 72° 75° 10706 11526 12323 11865 12386 12853 13642 13430 14137 14422 14954 15738 EWT LWT WB † 8109 8796 9458 9497 9939 10110 10787 10809 11391 11463 12062 12705 9798 10565 11322 11041 11529 11896 12659 12510 13173 13397 13936 14668 7363 8007 8640 8812 9226 9303 9957 10061 10612 10595 11242 11844 8545 9249 9938 9900 10355 10570 11272 11244 11847 11961 12544 13207 6452 7029 7633 7965 8345 8289 8919 9117 9633 9509 10236 10787 7254 7899 8521 8714 9126 9191 9836 9951 10503 10474 11125 11722 5509 6068 6623 7134 7488 7297 7866 8189 8666 8423 9215 9737 9931 10701 11470 11160 11652 12033 12805 12643 13311 13545 14082 14822 TOWER CAPABILITY IN USGPM AT THE FOLLOWING TEMPERATURE CONDITIONS (°F) 100° 95° 97° 100° 102° 95° 96° 100° 85° 85° 87° 85° 85° 85° 86° 85° 76° 78° 78° 78° 78° 80° 80° 80° 9289 10027 10753 10579 11047 11357 12090 11991 12631 12820 13366 14068 7073 7719 8323 8549 8958 9003 9633 9767 10318 10271 10930 11519 7877 8539 9201 9278 9710 9849 10526 10572 11141 11183 11800 12429 9901 10671 11437 11133 11625 12002 12772 12614 13280 13512 14050 14787 6012 6604 7161 7591 7956 7842 8432 8694 9194 9030 9768 10318 7612 8254 8911 9032 9452 9557 10232 10305 10860 10870 11504 12118 6159 6744 7316 7718 8085 7990 8593 8836 9340 9189 9924 10474 8333 9036 9705 9705 10157 10351 11037 11034 11627 11721 12311 12965 4702 5263 5755 6451 6768 6484 6989 7418 7859 7510 8362 8849 100° 85° 75° 7564 8207 8859 8991 9409 9508 10179 10260 10812 10817 11454 12065 102° 85° 80° 6440 7016 7619 7954 8333 8276 8905 9104 9620 9495 10222 10773 To Make a Selection: Locate the column with the desired operating temperature conditions. Read horizontally to the left to find the model number of the unit that will perform the duty. 92 † Mark owned by the Cooling Technology Institute . † Height includes fan guard which ships factory mounted. (2) Do not use catalog drawings for certified prints. ✦ Outlet connection extends 3/8” beyond bottom flange.200 886.200 793.300 AT/USS H 16' 16' 16' 18' 18' 17' 17' 18' 18' 17' 18' 18' 3/8" 3/8" 3/8" 3/8" 3/8" 3/8" 3/8" 3/8" 3/8" 3/8" 3/8" 3/8" T 7' 7' 7' 9' 9' 8' 8' 9' 9' 8' 9' 9' F P 9" 9" 9" 9" 9" 9" 9" 9" 9" 9" 9" 9" 11' 11' 11' 13' 13' 12' 12' 13' 13' 12' 13' 13' 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 1' 3-1/4"† 1' 3-1/4"† 1' 3-1/4"† 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" 1' 3-1/4" NOTE: (1) An adequately sized bleed line must be installed in the cooling tower system to prevent build-up of impurities in the recirculated water.500 752. Shipping Operating Heaviest Section AT 428-0148 AT 428-0248 AT 428-0348 AT 428-0448 AT 428-0548 AT 428-0648 AT 428-0748 AT 428-0848 AT 428-0948 AT 428-1048 AT 428-1148 AT 428-1248 65560 66160 67560 73800 73880 70320 71720 74480 75880 72400 76560 77520 128960 129560 130960 137200 137280 133720 135120 137880 139280 135800 139960 140920 U 10670 U 10820 U 11170 U 12730 U 12750 U 11860 U 12210 U 12900 U 13250 U 12380 U 13420 U 13660 Fan Motor (HP) Air Flow (CFM) (4) 30 (4) 40 (4) 50 (4) 25 (4) 30 (4) 40 (4) 50 (4) 40 (4) 50 (4) 60 (4) 60 (4) 75 685. (3) Connections larger than 3” are Beveled for Welding (BFW) and grooved for a mechanical coupling.000 807. 93 UT 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 2' 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" 6-3/4" .100 660. Consult the factory for details.000 726. (4) Adequate spacing must be allowed for access to the cooling tower.E NGINEERING D ATA & D IMENSIONS MODELS: AT/UT/USS 428-0148 to 428-1248 Four-Cell Cooling Towers ACCESS DOOR SWINGS MOUNT INSIDE ACCESS DOOR ACCESS DOOR 7 ACCESS DOOR ACCESS DOOR F ACCESS DOOR ACCESS DOOR T 2 (4) 14 BFW/GVD INLET 142 3/8 H P 99 3/8 26 (4) 14 BFW/GOOVED OUTLET 138 157 1/4 (4) 4 FPT OVERFLOW (4) 3 MPT MAKE-UP (4) 4 FPT DRAIN (4) 12 BFW/GOOVED EQUALIZER IN-LINE WITH OUTLETS 17 3/8 9 4 1/4 161 1/2 162 1/2 284 3/4 167 1/4 5 1/8 ✦ 28' 3-5/8" 43 3/8 51' 1/2" L = Lower Section U = Upper Section Weights (LBS) Dimensions Model No. Dimensions are subject to change.500 780.100 739. (5) These models are available as (4) independent operating cells with the addition of flume plates.300 826.000 621.200 840. S TRUCTURAL S TEEL S UPPORT Models AT/UT/USS 14-64 to 314-1272 Suggested Two I-Beam Arrangement End Elevation Plan View Models AT & USS 14-64 through 110-912 Models AT & USS 110-918 through 314-1272 Two I-Beams Required (By Others) Two I-Beams Required (By Others) Model No. 14-64 to 94 14-66 to 96 14-69 to 99 14-612 to 912 26-517 to 917 28-217 to 917 19-56 to 96 19-28 to 98 19-59 to 99 19-111 to 911 19-412 to 912 19-114 to 914 29-318 to 918 29-121 to 921 29-024 to 924 29-228 to 928 39-336 to 936 39-242 to 942 110-112 to 912 Dimensions W 4' 4" 4' 4" 4' 4" 4' 4" 5' 11-7/8" 7' 5-7/8" 5' 11-7/8" 7' 5-7/8" 8' 5-1/2" 8' 5-1/2" 8' 5-1/2" 8' 5-1/2" 8' 5-1/2" 8' 5-1/2" 8' 5-1/2" 8' 5-1/2" 8' 5-1/2" 8' 5-1/2" 9' 9-3/4" Dimensions L Model No. W L 3' 11-3/4" 5' 11-3/4" 8' 11-3/4" 11' 11-3/4" 17' 1-1/2" 17' 1-1/2" 8' 5-1/2" 8' 5-1/2" 8' 11-1/2" 10' 5-1/2" 11' 11-3/4" 13' 11-3/4" 18' 0" 21' 0" 24' 2" 28' 2" 36' 4-1/4" 42' 4-1/4" 11' 11-3/4" 110-118 to 918 210-124 to 924 210-136 to 936 310-136 to 936 310-154 to 954 112-012 to 912 112-314 to 914 112-018 to 918 112-520 to 920 212-024 to 924 212-128 to 928 212-036 to 936 312-036 to 936 312-042 to 942 312-054 to 954 312-260 to 960 114-0124 to 1224 214-0148 to 1148 314-0172 to 1272 9' 9-3/4" 9' 9-3/4" 9' 9-3/4" 9' 9-3/4" 9' 9-3/4" 11' 10" 11' 10" 11' 10" 11' 10" 11' 10" 11' 10" 11' 10" 11' 10" 11' 10" 11' 10" 11' 10" 13' 11-1/4" 13' 11-1/4" 13' 11-1/4" 18' 0" 24' 2" 36' 2-1/2" 36' 4-1/4" 54' 5" 11' 11-3/4" 13' 11-3/4" 18' 0" 20' 0" 24' 2" 28' 2" 36' 2-1/2" 36' 4-1/4" 42' 4-1/4" 54' 5" 60' 5" 23' 9" 47' 8-1/4" 71' 7-5/8" Notes: Models AT/UT/USS 14-64 through 314-1272 1. These are suggested arrangements for preliminary layout purposes. Consult your EVAPCO representative for factory certified steel support drawings. 2. The recommended support for the AT/UT/USS Cooling Tower is structural I-beams located under the outer flanges and running the entire length of the unit. The unit should be elevated to allow access underneath the unit and to the roof below. Mounting holes, 3/4” in diameter, are located in the bottom flanges of the pan to provide for bolting to the structural steel. 3. Beams should be sized in accordance with accepted structural practices. Maximum deflection of beam under unit to be 1/360 of the unit length, not to exceed 1/2”. 4. For these models where two support beams are required, deflection may be calculated by using 55% of the operating weight as a uniform load on each beam. 5. Beams should be level before setting the unit in place. Do not level the unit by shimming between it and the I-beams. 6. Support beams and Anchor bolts are to be furnished by others. 7. Dimensions, weights and data are subject to change without notice. Refer to the factory certified drawings for exact dimensions. 8. For alternate layout arrangements please consult the factory. NOTE: OPTIONAL BOTTOM CONNECTIONS WILL REQUIRE THE UNIT TO BE ELEVATED TO ALLOW FOR PIPING. 94 S TRUCTURAL S TEEL S UPPORT Models AT/UT/USS 212-059 to 428-1248 Suggested Three I-Beam Arrangement End Elevation Plan View Models AT/UT/USS 212-059 through 428-1248 Three I-Beams Required (By Others) Dimensions Notes: Model No. W L 212-59 to 99 215-29 to 99 217-59 to 99 217-111 to 911 217-412 to 912 217-214 914 220-112 to 912 220-118 to 918 420-124 to 924 420-136 to 936 224-018 to 918 224-720 to 920 424-024 to 924 424-028 to 928 424-036 to 936 228-0124 to 0924 428-0148 to 1248 12' 4-7/8" 15' 4-7/8" 17' 4-1/8" 17' 4-1/8" 17' 4-1/8" 17' 4-1/8" 20' 0-5/8" 20' 0-5/8" 20' 0-5/8" 20' 0-5/8" 24’ 1-1/8” 24' 1-1/8" 24’ 1-1/8” 24’ 1-1/8” 24’ 1-1/8” 28’ 3-5/8” 28’ 3-5/8” 8' 5-1/2" 8' 5-1/2" 8' 11-1/2" 10' 5-1/2" 11' 11-3/4" 13' 11-3/4" 11' 11-3/4" 18' 0" 24' 1-3/4" 36' 2-1/2" 18’ 0” 20' 0" 24’ 1-3/4” 28’ 1-3/4” 36’ 2-1/4” 23’ 9” 51’ 1” Models AT/UT/USS 212-59 through 428-1248 1. These are suggested arrangements for preliminary layout purposes. Consult your EVAPCO representative for factory certified steel support drawings. 2. The recommended support for the AT/UT/USS Cooling Tower is structural I-beams located under the outer flanges and running the entire length of the unit. The unit should be elevated to allow access underneath the unit and to the roof below. Mounting holes, 3/4” in diameter are located in the bottom flanges of the pan to provide for bolting to the structural steel. 3. Beams should be sized in accordance with accepted structural practices. Maximum deflection of beam under unit to be 1/360 of the unit length, not to exceed 1/2”. 4. For these models only where three support beams are required, deflection may be calculated using 56% of the operating weight on the CENTER BEAM and 22% on each OUTBOARD beam. See pages 27, 29, 37 and 39 for operating weights. 5. Beams should be level before setting the unit in place. Do not level the unit by shimming between it and the I-beams. 6. Support beams and Anchor bolts are to be furnished by others. 7. Dimensions, weights and data are subject to change without notice. Refer to the factory certified drawings for exact dimensions. 8. For alternate layout arrangements please consult the factory. NOTE: OPTIONAL BOTTOM CONNECTIONS WILL REQUIRE THE UNIT TO BE ELEVATED TO ALLOW FOR PIPING. 95 D RAIN D OWN V OLUME FOR R EMOTE S UMP A PPLICATIONS The following chart provides the maximum drain down volume allowable per AT & USS model number. Use this chart when sizing indoor or outdoor remote sumps tanks. Remote sump applications are commonly used whenever a cooling tower is idle during sub-freezing weather to protect the water in the basin from freezing or for large multitower industrial applications. Either application allows the circulating water to gravity drain into a remote sump tank indoors or a large, outdoor concrete basin located underneath the cooling tower. The water volume provided is the cooling tower portion of the remote sump tank only. The tank should allow for drain down water from external piping and pump suction coverage. Model Maximum Drain Down Volume 14-64 to 14-94 14-66 to 14-96 14-69 to 14-99 14-612 to 14-912 19-56 to 19-96 19-28 to 19-98 26-517 to 26-917 28-217 to 28-917 212-59 to 212-99 215-29 to 215-99 19-59 to 19-99 19-111 to 19-911 19-412 to 19-912 19-114 to 19-914 217-59 to 217-99 217-111 to 217-911 217-412 to 217-912 217-214 to 217-914 29-318 to 29-918 29-121 to 29-921 29-024 to 29-924 29-228 to 29-928 39-336 to 39-936 39-242 to 39-942 110-112 to 110-912 110-118 to 110-918 210-124 to 210-924 210-136 to 210-936 90 140 220 275 279 329 558 658 558 658 381 447 514 602 762 850 975 1150 778 910 1028 1204 1542 1806 832 1260 1664 2520 96 Model Maximum Drain Down Volume 310-136 to 310-936 310-154 to 310-954 112-012 to 112-912 112-314 to 112-914 112-018 to 112-918 112-520 to 112-920 212-024 to 212-924 212-128 to 212-928 212-036 to 212-936 312-036 to 312-936 312-042 to 312-942 312-054 to 312-954 312-260 to 312-960 220-112 to 220-912 220-118 to 220-918 420-124 to 420-924 420-136 to 420-936 224-018 to 224-918 224-720 to 224-920 424-024 to 424-924 424-028 to 424-928 424-036 to 424-936 114-0124 to 114-1224 214-0148 to 214-1148 314-0172 to 314-1272 228-0124 to 228-0924 428-0148 to 428-1248 2496 3780 832 974 1260 1401 1664 1948 2520 2496 2922 3780 4203 1664 2520 3392 5040 2520 2802 3392 3960 5102 2186 4372 6558 4372 8744 Notes: 97 . ) Ltd. 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