... replacing Spiral wound gasket : Spiral wound gasket (basic type) is made by superposing, winding and welding V-type or W-type stainless ... steel tape and non-metallic filing. It is usually wound by stainless steel, 304,304L,316,316L,321,Ta Mon400, ... pressure vessel, condenser, tower, manhole and hand holes flange connection parts;Industry: It can be used in petrifaction, machinery, electric power ...