Spiral wound gasket is formed of V-shaped or W-shapedmetallic strip piled with soft non-metallic filler by spiralwinding, and connected the end by spot welding.Spiral wound gasket can be used to seal fluid pressureup to 250 bar cryoprenices temperature as low as -200ºCengineering industriesand up to elevated temperature of 1000ºC.Products arewidely used in the oil, gas, petrochemical process and
engineering industries.* The outer ring is generally manufactured from carbon steel with an anti-corronsion treatment.
* Other special material gasket can be customized, such as 304L,321,316TI,317,310S,347,410,duplex
steel, Monel, Inconel(600,625),Incoloy(800,825),Hastello(B2,C276),T2 piled with special non-matellic
material, such as inner or outer ring, expanded PTFE, Non-asbestos, Mica.