PTFE SPIRAL WOUND GASKET

　　The gasket uses unfiltered PTFE tapes as the filler materials. The PTFE filler provides superior chemical resistance and sealability.By combining with strongly corrosion resistant metals; it can be applied for corrosive fluids, pure oxygen gas and vacuum lines.
FEATURES

• Seal ability is superior to that of all other SWG gasket. Usage is possible even with vacuum lines.
• Excellent corrosion resistance makes it suitable for almost all types of fluid by selecting appropriate hoop materials.
• Not used for glass or rubber lined flange, glass or porcelain flange.
• 

    Service range

fluid	Maximum service temperature（℃）	Maximum service pressure
Water type fluids	450(650)	Class2500
Oil type fluids	450(800)	Class 1500
Gas type fluids	450(800)	Class 1500
Cryogenic temperature fluid	-240	20MPa

 

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