Bio, Weld and Scale CouponsCOUPONS FOR SPECIAL PURPOSES Bio Coupons Scale Coupons Exposed Weld Coupon Bio Coupon Assembly Scale Coupons Bacterial activity is a common source of In some oil and gas systems, solid corrosion problems. A wide range of deposits or scale must be monitored to bacteria such as Sulphate Reducing determine the need for pigging or other Bacteria (SRB), cause a variety of maintenance activities. As scale usually corrosion types and mechanisms. forms on cavities, it is also likely to form Monitoring of bacterial activity is on small sized holes. required for understanding and Scale coupons are similar to 3” strip evaluating the possibility of bacteria coupon, but have a series of different induced corrosion, and to control size holes. 3” strip scale coupons are bacterial activity by e.g. biocides. mounted in pair of two coupons on one The bio coupon assembly is a simple strip coupon holder (see above). and common tool for monitoring bacterial activity. The bio coupon assembly comprises a housing with 5 The strip weld coupon is a special type small coupons directly exposed to the of weight loss coupon, especially made internal environment of the pipe or for the monitoring of welds. The strip vessel. The assembly is mounted on a bio weld coupon is made from a piece of the coupon holder and retrieved at fixed actual weld, containing all parts of the intervals. Heat Treatment Zone. Bio coupons are used for analysis of Strip weld coupons are made in 3” layers caused by biological activity only. or 2” lengths, preferably depending on After retrieval, the coupons are placed the pipe diameter of the piece the weld in a specially designed airtight is taken from. The visual inspection of a container, and sent to a laboratory for weld coupon is important in addition to immediate analysis. Correct handling of weight loss measurements. the coupons after retrieval from the pipe Denne er lagt inn for få med reliable futura medium som font is required in order toåachieve results. Weld Coupons Data sheet 114 USA Tel. . Italy Tel. or from welded pieces made according to the actual weld procedure and material. Coupon Holders For Speciality Coupons Strip scale coupons and strip weld coupons are mounted on standard strip coupon holders. See information about coupon holders in data sheet 112.no CorrOcean Inc 3300 Walnut Bend Lane Houston.com CorrOcean.: +1 713 334 2222 Fax: +1 713 266 0172 [email protected] Coupon Assemblies Bio coupon assemblies consist of coupon housing and 5 bio coupons. according to customers requirements.06 sq. Material ST 52-3N AISI 1018 AISI 304 SS AISI 304L SS AISI 1018 Dimensions 73x22x3 mm 73x22x3 mm 73x22x3 mm 73x22x3 mm 152x22x3 mm Par t Number Part 13636 13630 13631 13632 N/A Other materials than given above can be supplied upon request. 114 08/03 Coupon holder length L is calculated by CorOcean in an easy. A coupon holder of fixed or adjustable length is required. 0.: +39 06 4129 4201 Fax: +39 06 4129 4198 info@corrocean. Material ST 52-3N Duplex 6 Mo Par t Number Part 13065-1 13065-2 13065-3 Coupon housing material PTFE. Strip Scale Coupons Scale coupons are used for analysis of layers only. Bio Coupons in other materials can be delivered on request. Description Bio Coupon housing with 5 bio coupons Bio Coupon housing with 5 bio coupons Bio Coupon housing with 5 bio coupons Exposed surface area is approx. The complete coupon assembly is a replaceable part. Rome Via Tiburtina. 1470 00131 Roma.) per coupon. Strip Weld Coupons Strip Weld Coupons are made from material supplied by the customer. Description 3” strip scale coupon 3” strip scale coupon 3” strip scale coupon 3” strip scale coupon 6" strip scale coupon Strip scale coupons should be avoided if pigging of line is required.corrocean. Mounting insulation is delivered with the scale coupons. Texas 77042. Coupons and coupon holders in other materials may be delivered on request.9 cm2 21 cm2 Mounting insulation is delivered with the scale coupons.com Data sheet no. Mounting screws are delivered with the strip coupon holder.4 cm2 (0. in. All necessary information is included on data sheet 112 (Coupons and Coupon Holders). Scale coupons are not to be used in other than water systems. Mounting screws are delivered with the strip coupon holder.: +47 73 82 50 00 Fax: +47 73 82 50 50 mail@corrocean. No standard Part Numbers are therefore applicable. CorrOcean ASA Teglgården 7485 Trondheim.it www. Norway Tel. Description 3” strip scale coupon 2” strip scale coupon Dimensions 73x22x3 mm 51x22x3 mm Material N/A N/A Par t Number Part N/A N/A Exposed Area 33. three step process. while bio coupons are mounted on specific holders.