Heat Exchange Institute • Sharing Technologies • Exchanging Ideas • Educating the Industry The Steam Jet Ejector Section. Each Standard is reviewed and/or revised every five years. These efforts evolved into agreements with a well-known university to develop calorimeter testing procedures that would develop test data and correlate this with actual field operating data. All of the HEI Standards are available for purchase online. and low-level jet and barometric condensers. The HEI Web site also gives nonmembers valuable insight into the organization that writes the Standards and specifications for the heat exchange industry. and Mexico) and actively engaged in the manufacturing of heat exchange or vacuum apparatus.org. later named the Vacuum Technology Section. forming the core of the Institute’s Closed Feedwater Heater Section. the company must either own its own manufacturing facility or take responsibility for the manufacture of Institute scope products. Institute standards are used throughout the world for the design. and operation of heat exchange and vacuum equipment. 1976 In 1976. HEI is acknowledged worldwide as the leading standards development organization for heat exchange and vacuum apparatus. you will have access to valuable technical information and the opportunity to exchange innovative solutions with your peers. Today. power plant heat exchangers. accurate. HEI maintains its commitment to the technical advancement of the industry it serves. the Heat Exchange Institute’s (HEI) early efforts were concentrated on developing and publishing heat transfer data. your company must be organized and based in North America (defined to be the United States of America. steam jet ejectors. and useful information. the Institute’s efforts were concentrated on developing and publishing heat transfer rates for condenser tubes based on data derived from actual equipment field tests. Information from these tests. 1933 Organized in 1933 as part of the National Recovery Act (NRA) program to bring order to the manufacturing segment of the depressed economy. Subsequently.You may participate in the development of the technical standards and educational materials that have made HEI the leading voice of the heat exchange industry worldwide. was added to address steam jet ejectors and vacuum pumps. Become a Member To become a member of the HEI. Each member company submits a number of statistical reports. . Since its founding over 70 years ago. Visit the Web site for free downloadable Tech Sheets and read the latest news in our industry. the Power Plant Heat Exchanger Section was originated to meet the Standards needs of this technology. the Institute’s membership comprises major North American manufacturers of heat transfer equipment and vacuum apparatus. These companies help create industry standards that reflect the evolution of technology in our field. correlated with actual field operating data. In addition. The Institute concentrates its efforts on the manufacturing and engineering aspects of steam surface condensers. which are sent out quarterly. 1941 In 1941. the membership of the Feedwater Heater Manufacturers Association transferred to HEI. This working arrangement was in effect for more than 40 years. HEI has expanded its efforts to share the latest technology by publishing articles for users of heat exchange and vacuum equipment. and deaerators. www. liquid ring vacuum pumps. Extreme variations in operating conditions of various field installations proved this approach impractical. 1946 Extensive laboratory testing began in 1946 at Lehigh University. To be considered a manufacturer.T he Heat Exchange Institute (HEI) is a non-profit trade association committed to the technical advancement. Canada.by Section On the Web Site HEI’s Web site. The information generated was used to develop and publish product standards. including performing all required design and HEI History Organized in 1933 primarily as a steam condenser organization. offers members a wealth of valuable information and the opportunity to promote their businesses to the world with a company directory that provides links to member companies. which address technical topics within the heat exchange industry.heatexchange. forming a Section within the institute.You can be a vital part of strengthening the value of HEI to its members and to its audiences. the membership of the Feedwater Heater Manufacturers Association transferred to HEI. manufacture. Other Sections were added to meet the needs of particular segments of the industry. closed feedwater heaters. Benefits of Membership Knowledge Sharing By joining HEI. promotion. provided technically accurate data from which the Institute could develop and publish Standards. The Institute’s various technical committees contribute their extensive knowledge and expertise to developing Technical Bulletins. the Institute has earned international recognition as the leading authority on the technologies for this industry. Statistics and Surveys The Institute’s statistics program provides valuable. waterworkstype surface condensers. Hands-On Learning HEI semiannual meetings give members a chance to network with their peers and learn from their experiences. and understanding of utility and industrial-scale heat exchange and vacuum apparatus. so be sure to check the Web site for the latest versions. the Institute entered into an agreement with Lehigh University to develop calorimeter testing procedures. Statistical information available through the HEI includes: Fringe Benefits Survey Labor Relations Survey Statistical Report of Orders Booked . 1966 In 1966. HEI comprised manufacturers of steam surface condensers. 1940 Until 1940. 1999 The Condenser Section released the Steam Surface Condenser Rating Program CD-ROM. 1991 The Deaerator Section was reinstated in the HEI in 1991 and has developed updated Standards for deaerators.LLC Industry Standards The primary purpose of the HEI is to develop and publish Standards that advance the technology. If you’re interested in becoming a member. and promote the use of heat exchange and vacuum apparatus. Ongoing communication assures that the Standards are based on the latest available technology.Inc.LLC Crane Environmental DC Fabricators. the company must demonstrate to the satisfaction of each Section to which it has made application that it has the current engineering capabilities and historical experience designing. Each Technical Committee meets at least twice a year. the governing body of the Institute. Each of these Sections sponsors a Technical Committee. This Section comprises Tube Manufacturers.Inc. increase the efficiency. the Institute maintains its commitment to the technical advancement of the industry it serves. In addition. the HEI continues to add valuable technical information to the heat exchange industry. Membership and participation in a specific Section is open to any member company that designs. whose products are used in heat transfer equipment and vacuum apparatus. which is charged with developing and revising Standards specific to its range of products. the HEI retains its flexibility to expand its existing Sections or form new Sections.engineering of the product. a Cleveland-based professional trade association management firm. Future Acknowledged worldwide as the leading standards development organization for heat exchanger and vacuum apparatus. being responsible to its customers for quality assurance. with each Section member designating an engineer as its representative on the Technical Committee. 1985 In 1985 the liquid ring pump manufacturers joined the HEI. Johnston Boiler Company Kansas City Deaerator Company Plymouth Tube Sterling Deaerator Company Thermal Engineering International (USA). or markets the products covered by the Section. 2004 The HEI welcomes the Associate Member Section. and the Steam Jet Ejector Section became the Vacuum Technology Section.heatexchange.Inc. Valtimet Webco Industries Unique Systems. manufactures.org. These representatives form the HEI Executive Committee. All activities are closely monitored by legal counsel to ensure strict compliance with antitrust laws. With the recent addition of the Tube Manufacturer Section. and fabricating the product or having it fabricated by subcontractors pursuant to a written agreement that reserves to the company the foregoing responsibilities. Constantly addressing change in technology. and installing products to Institute Standards to enable it to contribute to the technical work of the Section.Inc. Gardner Denver Nash Holtec International Hydro Dyne. manufacturing. depending on the needs of the industry and its member companies. This objective is accomplished through technology-specific committees operating under the authority of the Institute’s six Sections: Steam Surface Condensers Closed Feedwater Heaters Power Plant Heat Exchangers Vacuum Technology Deaerators Associate Members (Tube Manufacturers) How We Operate Each member company appoints an individual as its voting representative for Institute and Section matters. contact the HEI office or go to www. . HEI Membership List Amer-Ti. Associated Tube Industries BFS Industries.Inc. Administratively supporting the Institute is Thomas Associates. Yuba Heat Transfer. Performance Standard for Liquid Ring Vacuum Pumps 3rd Edition. 2005 Presents industry standards and factory test methods. Standards for Steam Surface Condensers 10th edition. and figures that describe single and/or two-stage flat port plates. new educational sections in Appendix B. The Standard contains not only performance requirements. performance criteria.heatexchange. tube-to-tubesheet welds.Also included in the 10th Edition is a new Table 3. and utility conditions). field installation. temperature efficiency curves. hydrostatic testing. properties of saturated steam. and expansion joints.Atmospheric Relief Devices. Standards for Power Plant Heat Exchangers 4th Edition. but augments it with an easy-to-use Windows-based format. The program has two modes of operation: design and rating.The program update is downloadable at the HEI Web site. dimensions. types of duty. the document covers nomenclature. quality assurance. 2007 Builds on the Fifth Edition’s integration and update of three previous HEI documents: Standards for Jet Ejectors. whereas the rating mode is used to determine performance of existing equipment under a specific operating load.org www. and tolerances. structural design. have been added to the 10th Edition. Standards for Steam Jet Vacuum Systems 6th Edition. correction factors. terminology. and relief valve sizing. and accessory selection. conical ports.0. Use of the Standard will minimize misunderstanding between manufacturer and purchaser and will assist in the proper selection of equipment best suited to meet the requirements of each application. Department of Energy .0 of the standard.org 9/07 Some photos courtesy of the U.A sample thermal calculation has been added as Section 4. An engineering section deals with inlet and outlet sizing. typical purchaser requirements.List of Current Standards Currently. 2004 Provides practical information on nomenclature.0 has been expanded to include information on dimensional tolerances. The installation portion of the Standard covers head and lift requirements. has been updated and revised. please contact us at: Heat Exchange Institute 1300 Sumner Ave. piping. types of service. OH 44115-2851 Phone: 216-241-7333 Fax: 216-241-0105 E-mail: hei@heatexchange. operating principles. which provides tube material and gauge correction factors. purchase. loading. Also new: SI and MKH specification sheets. heights. A useful troubleshooting guide is included as well as informative appendices that provide commonly used information such as head capacities. and post erection walk down. Standards and Typical Specifications for Tray Type Deaerators 7th Edition. and Construction Standards for Steam Jet Ejector Components. Definitions and nomenclature for liquid ring vacuum pumps are included along with design specifications. and heat exchanger troubleshooting guide. operating variables. dimensions. 2007 Automates the thermal design calculations as outlined in the Tenth Edition of Standards for Steam Surface Condensers. storage tank sizing.Table 6. Standards for Direct Contact Barometric and Low Level Condensers 7th Edition. A section on troubleshooting and additional information on operational characteristics have been added to assist users in understanding the equipment. 2004 Provides practical information on nomenclature. a table of thermal conductivity. In addition to describing equipment types. but also construction standards such as materials. construction. and specify tray type deaerators. This edition incorporates revised or expanded sections on fouling and cleanliness factor.heatexchange. there is an appendix for conversion of English to SI units. A section on condenser performance includes topics on design. 2004 Combines present industry standards. The Seventh Edition contains new revised information on thermal resistance.2. construction. friction and velocity charts. and testing. and testing of this equipment. and pressure drop. Appendix D has been updated. Steam Surface Condenser Rating Program CD-ROM Version 2. The program does not replace the Standard. Standards for Field Testing. discharge. entitled Materials for Condenser Tubes.org.5. has been completely rewritten and updated. the following HEI Standards are available for purchase at www. Section 7. and typical shell requirements. Cleveland. Appendix A has been completely revised from the previous edition. and pipe data. code requirements. Standards for Closed Feedwater Heaters 7th Edition.Appendix G is a troubleshooting guide that has been added to assist operators of steam surface condensers. design and engineering of valves and nozzles. baffles and support plates.8 has been added to give users an example of sizing venting equipment as stated in Table 9. Information has been added on tube side pressure loss. 2006 The Tenth Edition of “Standards for Steam Surface Condensers”has incorporated all information from the 9th Edition of Steam Surface Condensers as well as the Addendum to the 9th Edition. and manufacturers’ experience in outlining the important design criteria for power plant heat exchangers.S.6. As in all HEI Standards. definitions. so be sure to check the HEI Web site for the latest edition of each Standard. and air-vapor relationships. and design specifications (including suction. Each Standard is reaffirmed every five years. Section 6. and test set-ups for vacuum pump performance. tank capacities.1. For a membership application and/or more information about HEI. shipping and site storage. mechanical and material design. and SI unit tolerances.Appendix G and Appendix H. Information on clad tubesheets and condenser support systems has been incorporated into Section 8. Section 9. 2003 Contains practical information on the design. An important section deals with construction standards. The design mode is used to determine the physical requirements of a condenser.Topics pertinent to power plant heat exchangers include materials of construction. welding. internal arrangements.Two new appendices. providing information on the procedure for calculating allowable nozzle external forces and moments in cylindrical vessels. It is intended to serve as a guide for individuals who design. and a troubleshooting guide for feedwater heaters.0. shipping. auxiliary hardware arrangements. and operation of tray type deaerators. cathodic protection. erection superintendent duties.