... surface and easy to replacing Spiral wound gasket : Spiral wound gasket (basic type) is made by superposing, winding and welding V-type or W-type stainless steel ... filing. It is usually wound by stainless steel, 304,304L,316,316L,321,Ta Mon400, Inconel, asbestos (graphite, PTFE, mica, ceramic) tape ... produce according to ASME, BS, JIS and EN(DIN) standards or client request. Spiral wound gasket