... can be used as the static sealing element of pipe, valve, pump, thermal exchange, condensing tower, plain hole and man ... can be used as the static sealing element of pipe, valve, pump, thermal exchange, condensing tower, plain hole and man ... of DJ Special shape SWG 3050SSpecialOvalMaterialStyleStructureHoop material Filler material Inner&outer ring material Normal thickness mm GasketInner&outer ring ...