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specifications: Spiral Wound Gasket washer with inner ring, ANSI spiral wound washer, ASME spiral wound washer, best quality spiral wound washer Spiral Wound Gasket washer with inner ring Antileak GA 01103 Spiral Wound Gasket with inner ring is also called SWG with inner ring. This gasket is consist of the basic SWG sealing part and an inner ring. Solid inner metal ring acts as a compression stop and fills the annular space between flange bore and the inside diameter. Designed to prevent accumulation of solids, reduce turbulent flow of process fluids and minimize erosion of flange faces. It is suitable for male and female pipe flanges. StyleConstructionFlangeHoop materialFillerInner & outer MaterialSize (mm)Thickness (mm)MaterialCodeVWGA 01101basic typeTongue and Groove304304L316316L321TaMon400Inconeletc.Asbestos Graphite PTFE Mica CeramicASB FG PTFE MICA CERCarbon steel 304321 316Ta Mon400 InconelΦ16-30003.2 4.54.8 5.5 7.5GA 01102with outer ringRaised face and Flat faceGA 01103with inner ringMale and FemaleGA 01104with inner and outer ringRaised face and Flat faceGA 01105for heat exchangerHeat exchanger