Non-Asbestos Spiral Wound Gasket
Features :
-Inner and outer diameter is reinforced with metal strips with filler inside
-Recommended for flanges with tongue and groove
-There is no outer or inner ring
-Suitable for high pressure and temperature
Materials Used
-Filler Metal Material : Asbestos, Ceramic, PTFE, Graphite, Non Asbestos
-Metal Winding Material : Stainless steel (304,316L, 310,321), Monel 400, Nickel 200, Inconel 600/625, Titanium.
-Outer and Inner ring Material : Carbon Steel, Stainless Steel 304/316, Monel, Nickel, Titanium, Inconel 600/625.
COMMON FILLERS USED
-Graphite Mica:350 F (Temperature)
-Graphite 99.8% purity: 1200 C
-Non asbestos: 550 C
-PTFE: 250 C
-Ceramic: 1000 C
WINDING MATERIAL:
-SS304:650 Deg C
-SS316:800 Deg C
-SS347:870 Deg C
-SS321:870 Deg C
-Monal400: 800 Deg C
-Nickel 200: 600 Deg C
-Titanium: 540 Deg C
-Iconel600: 1000 Deg C
-Inconel625: 1000 Deg C
-Incoloy825: 1000 Deg C
Spiral wound gaskets are used in Refinery, Petrochemical, Chemical, Steam lines and Process Industries, where they have many advantages over older types of gaskets.