... replacing Spiral wound gasket : Spiral wound gasket (basic type) is made by superposing, winding and welding V-type or W-type stainless steel tape ... equipments.Equipment: It is used as static sealing material for pipeline, valve, pump, pressure vessel, condenser, tower ... holes flange connection parts;Industry: It can be used in petrifaction, machinery, electric power, metallurgy, shipbuilding, medicine ...