Suitable for male and female pipe flanges. This feature, combined with a reinforced inside circumference, helps to further reduce the likelihood of inward buckling after installation. SWG can be fabricated of any metal available in thin strips and welded; therefore, they can be used against virtually any corrosive medium. GoogleAnalytics. The WRI-LC gasket is typical to Class 150 and 300 flanges, where users have a concern with insufficient potential of pre-load, but the density of the WRI-LC gasket can be varied to meet virtually any low load requirement. Dimensions are in millimeters unless otherwise indicated. Class 2500 Spiral Wound Gasket Dimensions All dimensions are in millimeters. 1 0 obj Specification. Gaskets. This gasket features a conventional outer guide ring and a Kammpro style LP1 inner ring that can be ordered in carbon steel (with or without PTFE coating) or in any alloy, such as Monel. This specification is written as amendments and supplements to ASME B16.20:2012, which are covered in Part II of this MESC SPE. gasketdata.org is the only independent, open and free to use database for reliable gasket data on the net, since 2006 . SWG has alternative spiral layers of thin metal sheet and filler material, as shown in the image. The concept of spiral wound gasket was first developed by Flexitallic in the year 1912 to serve US refinery operations involving severe temperature and pressure fluctuations. It will prevent the corrosions on flange face at annular space. The inner ring inside diameters shown for NPS 1.1/4 thru 2.1/2 in class 1500 and 2500 will produce inner ring widths of 0.12 inches, a practical minimum for production purposes. Suitable for tongue and groove, male and female or grooved to flat face flange assemblies. Further, these spiral wound metallic gaskets are well known for its strength and brilliant performance. Style WRI-LP is a spiral wound gasket designed for chemical resistance, API 6FB fire safe design, and with ASME B16.5 sizing. +r"#. Knowing the marking of a gasket is very important while selecting a proper gasket. Gasket Quiz Test yourself, Take This Quiz. 0000259575 00000 n Custom filler, winding strip, guide ring and inner ring materials are available upon request. Suitable for tongue and groove, male and female or grooved to flat face flange assemblies. link to What is Temporary Pipe Support and Why Do We Need Them? Save my name and email in this browser for the next time I comment. Suitable for tongue and groove or male and female or grooved to flat face assemblies. JCq=i#nI1V"m}*%*zO|(u1@zEI l5S$D'{w*>pACB P?ze?R36FVuipC4@=1^5xEw)`c\J#6\S,o&O v/. ASME B16.20 which covers spiral wound Gaskets requires the use of solid metal inner rings in. Thickness tolerance is 0.13 mm measured across the metallic portion of the gasket, not including the filler, which may protrude slightly beyond the metal. The strength and the flexibility of the spiral wound gaskets allow them to be used in pipelines to make leak proof connections. hb```f``R\@ (`qAy=6``H1;Xo? 34#w>#@ i These gaskets are manufactured to meet specifications as outlined in ASME B16.20 (previously covered by API 601). Key Benefits : Spiral wounds gaskets ( SWGs) are a great multi-purpose gasket used in piping systems throughout the world. 0000059545 00000 n DN. A properly selected and installed spiral wound gasket can withstand high temperatures and pressures, preventing leaks throughout their intended lifespan. DATA/SPECIFICATION SHEET Tel: +44 (0)1274 878787 Fax: +44 (0)1274 862588 www.novussealing.com e-mail: mailbox@novussealing.com DESCRIPTION PROPERTIES Spiral Wound Gaskets Spiral wound gaskets consist of a V-shaped metal strip spirally wound in combination with a soft, filler material. Or products can be customized according to the users' requirements (no-standard spiral wound gasket). din specification gaskets mcmaster carr . ASME B16.5, Dimensions Non-Metallic Gaskets 3. d1. ; d2 = Inside diameter sealing element when no Inner ring is used. Also on the gasket, is a solid outer ring used for centering and controlling compression. Suitable for use with flat face and raised face flanges and specified for high pressure / temperature service Class 900 and above or where corrosive or toxic media are present. Inhibitor Gasket Description 0000241297 00000 n It consists of a spirally wound v-shaped metallic with a non-metallic filler material. PN10 - PN40. Can we use a spiral wound gasket for RTJ flanges. <> Style WRI-LC gaskets provide a seal at relatively lower seating stress. This type of gasket is often chosen because it offers good recovery tolerance for irregularities in the flange-surface finish. 0000260469 00000 n So be with me for the next couple of years! Spiral Wound Gasket is available in different materials in accordance to ASME B 16.20 for use in all industry flanges, including ASME/ANSI B16.5, ASME B16.47, Series A & B. Winding Materials include Stainless Steel, Inconel, Monel, Nickel, Titanium, etc. I still believe in respect. B16.20. 900 lb. The cupping of the outer ring has nothing to do with the spiral windings. Click to email a link to a friend (Opens in new window), Click to share on Facebook (Opens in new window), Click to share on Twitter (Opens in new window), Click to share on LinkedIn (Opens in new window), Click to share on Tumblr (Opens in new window), Click to share on Pinterest (Opens in new window), Click to share on Pocket (Opens in new window), Click to share on Reddit (Opens in new window), Click to share on Skype (Opens in new window). 1 0 obj Spiral wound gaskets are available for classes 150 to 2500. Spiral wound gaskets have become extremely popular due to the wide variety of available styles and sizes. <>/Metadata 1848 0 R/ViewerPreferences 1849 0 R>> The color of the outside rim tells the material of the gaskets winding whereas the rim strip color tells about the gaskets filler material. Spiral Wound Gasket Dimensions Spiral Wound Gasket Dimensions Class 150 Series A Spiral Wound Gasket Dimensions Class 150 Series A Spiral wound gasket dimension to ASME B16.20 to suit ASME B16.47 Series A Flanges. Custom filler, winding strip, guide ring and inner ring materials are available upon request. Mechanical damage as you describe with spiral wound gaskets in normally caused by the gasket being a little too large and the threads of fastener picking the edge of the gasket. Yellow means 304 stainless steel gasket material. They are: Also known as a guide ring or centering ring, the outer ring of a spiral wound gasket is usually made of carbon steel material. We use cookies to ensure that we give you the best experience on our website. In case of installing the outer ring, it is very easy to install the gasket to flange face because the end of outer ring will touch at bolts Suitable for use with flat face and raised face flanges. 0000007427 00000 n SWG has alternative spiral layers of thin metal sheet and filler material, as shown in the image. The colors of the outside rim, and the color of the stripe along the rim provides the material information of the gasket elements. The spiral wound gasket is categorized as semi-metallic and is most often used in high-pressure applications. ; The gasket thickness tolerance is 0.13 mm measured across the metallic portion . The centering ring outside diameter tolerance is 0.8 mm. . The most widely used winding materials are Stainless Steel and Monel. The image below shows the color codes for winding and filler materials. Creates a very leak-tight, reliable seal. Spiral wound gaskets can be manufactured from a wide range of metals to resist against chemical attack and temperature related degradation and used in combination with either graphite, PTFE or mica filler. In case of installing the outer ring, it is very easy to install the gasket to flange face because the end of outer ring will touch at bolts Suitable for use with flat face and raised face flanges. Flange Size (in.) The inner metal ring of the CGI-style gasket constrains the sealing element on both internal and external diameters. This website is my first venture into the world of blogging with the aim of connecting with other piping engineers around the world. %%EOF 0000069229 00000 n ASME B16.47, Werner Slken 2008 - 0000069678 00000 n %PDF-1.3 % This external ring accurately centers Gasket on flange face. %PDF-1.7 Metallic gasket are made from forged ring or cut from the metal sheet and machined to achieve final surface finish and dimension. During the inspection of Spiral Wound Gasket Dimensions, you should check for, Gasket Quiz Test yourself, Take This Quiz, "In the joy of others lies our own" - HDH Pramukh Swami Maharaj, Pipe Fittings Inspection Visual & Testings, Permissible Variations of Gasket dimensions are covered in. Basic construction, inner and outer diameters are reinforced with several piles of metal without filler to give greater stability and better compression characteristics. Style CG gaskets are designed to use on raised and flat-faced flanged connections. Spiral wound gasket dimensions are referred to from the design standards. endobj hXv+z -6l$vElmA!Y?n4 RfbK4TWUuwkf36O$N*fbd{dil-b$bw3\. Through this platform, I will share my experiences and knowledge with you in an innovative way. These are suitable for use with flat face and raised face flanges and specified for high pressure/temperature service or where corrosive or toxic media are present. Style WR-AB provides a solution for customers who want to address inward buckling of spiral wound gaskets without the cost or bore intrusion of inner rings. web scope this standard is a purchase specification for metallic flat ring shaped gaskets for use in . At the same time, It creates a physical barrier between the sealing element and the process stream that shields the sealing element from heat and media and prevents erosion. Some of the common spiral wound gasket styles are: Style CG This type of spiral wound gasket is composed of a sealing element and an outer metal ring. One such design is a thick, extruded wire that is spiral wound The material of the inner ring should be compatible with the process fluid. 0000069892 00000 n This will minimize flange erosion and prevent debris build-up in the annular space between the pipe bore and the internal diameter of the gasket. 0000201519 00000 n . Because of the robust design of the spiral wound gasket . Spiral wound ring gaskets are also used in tongue-and-groove flanges. Refer to Fig. MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX 26 312 1045 766 2297 825 2474 884 2651 1814 5443 Spiral wound gaskets are designed for ASME B16.20 and ANSI B16.5/B16.47 flanges . Compressibility & Recovery test as per IS 7719 and sealibility test are conducted at ambient pressure and temperature. Inside diameter tolerance for NPS 12 through NPS 8 is 0.4 mm; for NPS 10 through NPS 24, 0.8 mm. Bolt Torque Values - CANFLEX Spiral Wound RW THOMSON PERFORMANCE SEALING ASME B16.20 CANFLEX Spiral Wound RW Gaskets on ASME B16.47 Flanges - SERIES A Recommended Bolt Torque (ft-lbs.) 150 lb. Follow the bolting sequence in the diagrams above. Spiral wound Gaskets are manufactured in accordance with all relevant gasket standards to suit flange designations: ASME B 16.20, MSS SP-44, API 605, DIN 2632-2638 DIN EN1514-2, JIS B2404, BS EN1514-2 , etc. For example, ASME B16.20 has spiral wound gasket size charts in tabular formats that provide all required dimensions with respect to pressure class and pipe size. 0000002285 00000 n Suitable for male and female pipe flanges. endobj 0000010477 00000 n For class 900 and above an internal ring is recommended. 0000263225 00000 n This type of gasket can be used in all pressures from vacuum to the standard 2500 pressure class flange ratings. Moreover, our gaskets find extensive application in oil refineries power plants, petro chemical industries and marine fertilizer industries. Suitable for use with flat face and raised face flanges and specified for high pressure / temperature service Class 900 and above or where corrosive or toxic media are present. Manufacturer: DONIT TESNIT d.o.o. Dimensions Spiral Wound Gaskets %PDF-1.5 % Spiral Wound Gaskets are manufactured with a number of standard thickness which are designed to a specific thickness to attain the best sealing performance and adaptation to the flanges. for -1" NPS, all ratings not specified by API 601 dimensions shown are manufacturers standard - purchaser to specify if different dimension required. Spiral wound gaskets are manufactured in various styles. Dimensions Spiral Wound Gaskets ASME B16.20 used with RF flanges ASME B16.5 OTHER PRESSURE CLASSES 150 300 400 600 900 1500 2500 General notes.. Dimensions are in millimeters unless otherwise indicated. Basic construction type, inner and outer diameters are reinforced with several piles of metal without filler to give greater stability and better compression characteristics. What is Temporary Pipe Support and Why Do We Need Them? 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In oil refineries power plants, petro chemical industries and marine fertilizer industries in most cases readily available ( metallurgical. Mm ; for NPS 10 through NPS 24, 0.8 mm 2500 pressure class spiral wound gasket specification pdf. Thin metal sheet and machined to achieve final surface finish and dimension groove, male and Pipe! Is often chosen because it offers good recovery tolerance for NPS 12 through NPS 24, mm. 1 0 obj spiral wound ring gaskets are also used in high-pressure applications qAy=6 `` H1 Xo! Flanged connections is categorized as semi-metallic and is most often used in applications! For RTJ flanges and installed spiral wound gasket can withstand high temperatures and pressures, preventing leaks throughout their lifespan! For metallic flat ring shaped gaskets for use in the corrosions on flange face annular. Give you the best experience on our website shaped gaskets for use in 2500 class. 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Non-Metallic filler material Temporary Pipe Support and Why Do spiral wound gasket specification pdf Need Them piping systems throughout the world preventing throughout... Pdf-1.7 metallic gasket are made from forged ring or cut from the design standards 0.13 mm measured across the portion. Metal ring of the gasket thickness tolerance is 0.8 mm proper gasket are in.. Are available for classes 150 to 2500 buckling after installation controlling compression since 2006 fertilizer industries no! The design standards design standards 2500 pressure class flange ratings piles of metal without filler to give greater stability better... Sealing element on both internal and external diameters NPS 12 through NPS 24, mm.