Designed more than 100 years ago, Spiral Wound Gaskets (SWG’s) are widely used as high integrity and sustainable gaskets. The sealing element is manufactured from preformed, V-shaped metallic windings with intermediate soft sealing fillers. As standard metallic winding material SS316L is used and for the soft fillers, graphite, PTFE or LeaderTHERM NXT 1000 (high temp. modified Phlogopite). Due to the gasket construction, SWG’s offer high compressibility and recovery. Leader Style S SWG’s are provided with a sealing element only. The S gaskets are suitable for ASMEB16.5 tongue and groove or male / female (Spigot to Recess) flanges up to 2500lbs. They are mostly used in pumps and valves. Available also for Heat Exchanger applications.
Petro-) Chemical Industry, Steam, On- and Offshore exploration, pipeline systems, pressure vessels and exchangers.
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Spiral Wound Gaskets can be used in a wide variety of media, i.e. a pH range varying from 0-14. Application/ compatibility guide is available on request. Temperature from –450 °F up to 850 °F (steam up to 1200 °F)
Standard style S gaskets are normally manufactured according to particular customer drawings, or by given sizes. Gaskets can be manufactured in a thickness of .125″ / .175″ / .250″ / 285″. Different materials are available.
Spiral Wound Gaskets can be used in a wide variety of media, i.e. a pH range varying from 0-14. Application/ compatibility guide is available on request. Temperature from –450 °F up to 850 °F (steam up to 1200 °F).
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Leader Gasket
Global Headquarters: Houston, TX
850 Sens Road
La Porte, TX 77571
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Phone: +1 281-542-0600
