Unlike traditional spiral wound gaskets, the lsi lowstress with innerring gasket is designed to seat at only 25,000 psi bolt stress, which means you can use this revolutionary product for a wide range of lightly loaded applications including class 150 service. Special gaskets have been designed for valves, pumps, compressors, turbines, boilers, heat exchangers, etc. Required surface finish 125 250 microinch ra design parameters tolerance capabilities gasket thickness maximum inside dimension recommended flange width recommended compressed thickness. Spiral wound gasket dimensions for use on screwed or slipon flanges see table 4. Tolerance outside diameter for nps 12 through nps 8 is 0. Garlock metallic gaskets, a division of garlock, manufactures spiral wound, serrated metal, metal clad, solid metal and metal core gaskets at its facility in houston, texas. Rubber and elastomer gaskets are not used in hydrocarbon services but used in utility lines. The gasket outside diameter tolerance for nps 26 through nps 60 is 0. Nonmetallic gaskets can easily compress with low tension bolting. Flexitallic does not accept responsibility for the misuse of this information. Materials of construction commonly used material for winding are. The primary purpose for this development was the increasingly severe temperatures and pressures used.
Flexitallic can make any shape or size you require. Utilizes an external ring which accurately centers gasket on flange face. Red rubber, silicone, neoprene, nitrile, corknitrile, fluorocarbon, epdm, neonylon, graphite foil nonasbestos materials. To see availability for this product, create an account. Gasket handbook 1st edition fluid sealing association. Spiral wound gaskets for piping flanges the piping. Dimensions of spiral wound gaskets class 150, asme b16. Minimum required torques may be even lower depending on gasket size and bolt material. Spiral wound gaskets are semimetallic gaskets that are used for high temperature and highpressure applications.
Developed and collated by flexitallics worldwide team of engineers, this publication is the engineers handbook of static seals technology. Flexitallic manufactures a full range of metallic static seals. Flexitallic kammprofile gaskets flexitallic calls their kammprofile gasket lineup, flexpro. Spiral wound gaskets class 150 dimensions of spiral wound gaskets class 150, asme b16. The vitaflex and flexseal spiralwound gasket concept can solve a large. Dimensional data for the basic styles style cg, style cgi, style r and style rir are detailed on respective tables. Semimetallic gaskets can generally be used in pressures ranging from vacuum to those seen in asme b16. Spiral wound gaskets flexitallic pdf catalogs technical. Under no circumstances should flange sealing surfaces. Provides additional radial strength to help prevent gasket blowout and acts as a compression stop.
Spiral wound gaskets are precisionengineered for flanged joints, heat exchangers, boiler handholes, manholes and hightemperature applications, and offer resistance to corrosive and toxic elements. Please note that gaskets for nonstandard flanges asme b16. Available for solidworks, inventor, creo, catia, solid edge, autocad, revit and many more cad software but also as step, stl, iges, stl, dwg, dxf and more neutral cad formats. Technical catalogue spiral wound gaskets comdiflex. Feature an external ring that centers the gasket on the flange face. Building 3 south 688 pangjin road wujiang export processing zone wujiang, jiangsu p.
Image shows a spiral wound gasket with inner and outer ring. Flexitallic 5 150 asme b1620 spiral wound gasket ebay. Flexitallic 150 psi spiral flex gasket 080010017 ferguson. Standard pipe flange gaskets popular materials in 116 and 18. We offer superior customer service and are committed to meeting the needs of all your industrial sealing applications.
Flexitallic spiral wound gaskets and metal seals provide years of sealing for longterm performance under harsh evironments and service. Bs 4504 din flanges jis flanges special gaskets gaskets of special design can be engineered and fabricated using the same basic fundamentals of flexitallic spiral wound gasket design and construction to cover a wide range of. We manufacture spiral wound gaskets in sizes from dn 10 to a diameter of 1200 mm. This document is the property of flexitallic us, llc and is not to be reproduced, transmitted to another, nor used for the purpose of manufacturing of articles for sale to anyone but flexitallic us, llc without flexitallic s specific written permission. Please contact flexitallics technical services department for more information. Flexitallic sigma 533 sigma 533 is a high performance biaxially orientated sheet sealing material containing ptfe with barium sulphate. Consult flexitallics entire spiral wound gaskets catalogue on directindustry. Flexitallic sf 2401 compressed fiber sheet description flexitallic sf 2401 is a medium quality cost effective compressed nonasbestos sheet material based on a blend of aramid and inorganic fiber with a high quality nitrile binder system. Spiral wound gaskets, flexpro gaskets covered serrated metal core, metal jacketed gaskets, mrgs metal reinforced gaskets. Garlock metallic gaskets garlock metallic gaskets, a division of garlock sealing technologies, manufactures spiral wound, metal clad, solid metal and metal core gaskets at its facility in houston, texas. Spiral wound gaskets first and foremost the concept of spiral wound gasket construction was originated by flexitallic in 1912, starting a new era in safe, effective sealing. The material for the metallic strip conforms to aisi 3043163221.
Above torque values are for class 150 asme flanges. Gaskets for pipe flanges which includes spiral wound gaskets and nonmetallic. Spiral wound gaskets flexitallic metal gaskets sealing. They are resilient and, as a consequence, can compensate somewhat for flange movement that may occur due to temperature gradients, variations of pressure and vibration. These gaskets can be fabricated in a variety of shapes and sizes recommended for use. All flexitallics products are manufactured to the highest quality standards ensuring fitness for purpose with the added convenience of the support of. Consult with flexitallic engineers as early in the design stage as possible.
Dimensions are in millimeters unless otherwise indicated. These gaskets have been dimensioned to suit the flanges. Flexitallic does not generally recommend a bolt stress above 60,000 psi. Flexitallic gasket design criteria manual offers the engineer and end user assistance in meeting the goal of providing fundamentally sound static sealing practice. Aramide fibresnitrile, carbon fibres nitrile additional materials are available upon request. Metalreinforced spiralwound ring gaskets meet ansi b16. Outer ring it is made of carbon steel and painted in order to avoid corrosion although it.
The main parts of spiral wound gasket are metallic windings and filler material. Table of dimensions and tolerances of spiral wound gaskets. Ring type standard flange gasket size chart from american. Required surface finish 125 250 microinch ra design parameters tolerance capabilities gasket. We have gaskets of all types from small gasket production to the largest gasket runs for industry plus all types of sealing products including rubber, sealontm, viton, spiralwounds, grafoil, packing, silicone, orings and the finest industrial products. Po box 3, marsh works dewsbury road, cleckheaton west yorkshire, bd19 5bt england tel. Ordering flexitallic gaskets for special flange designs. Flexitallic spiralwound gaskets goodyear rubber products, inc. These types of gaskets are used with lowpressure class flanges such as 150 and 300 class and also in lowtemperature however, graphite gasket can be used up to 500 degree centigrade. Its called flexpro because it offers the compressibility of a sheet gasket for low sealing stress, along with the bolt tightness of a spiral wound gasket. Download spiral wound gaskets dn 15 to 600 asme b 16. These gaskets are suitable for low and high pres sure and temperature applications. Member of the flexitallic group semimetallic product profile usage.
However, from a sealing technology point of view, at diameters above 1100 mm is recommended the use of grooved gaskets. In recent years, garlock metallic gaskets has introduced. Government specifications flexitallic spiral wound gaskets are available in accordance with military specifications milg24716, and milg15342, latest revisions. Spiral wound gasket is made of alternate piles of vpreformed. International customers are responsible for all duties, taxes, and tariffs. This document is the property of flexitallic us, llc and is not to be reproduced, transmitted to another, nor.
Spiral wound gaskets, class 150, nps 12 nps 24, asme b16. Spiral wound gaskets of nonstandard dimensions and shapes, and larger diameters are available on request. Flexitallic recommended minimum bolt torque figures for use with the lsi gasket on asmeb16. The style ls spiral wound gasket has been engineered by flexitallic to provide an alternative to sheet gaskets in class 150 and class 300 service. The cg spiral wound is a good general purpose gasket and is suitable for use with flatface and raisedface. Style ls gaskets have the inherent strength, resiliency and blowout resistance of spiral wound gaskets, yet require low bolt load for seating. In recent years, garlock metallic gaskets has introduced some of the industrys most innovative production methods and products. Style cg spiral wound gaskets utilize an external ring which accurately centers the gasket on flange faces, and provides radial strength to prevent gasket blowout as well as a compression stop. Inner rings are recommended for all graphite filled gaskets, required for all ptfe filled gaskets. The patented garlock edge spiral wound gasket is designed to reduce inward buckling.