... metal 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 ... -temperature, high-pressure steam, oil, gas, solvent, hot oil and so on.Specification ModelStructureApplication Material of steel tapeFilling Material of ...