- Gaskets composed of winding spiral shape overlapped with metal(Hoop) and non-metal(Filler), have proved to be the most reliable sealing element.
- Hoop increases elesticity while filler raises heatproof and cushions, applied extensively to high temperature, high pressure and extremely low temperature equipment for RF flange, valve bonnet and manhole, etc.
- Hoop material : SS304, 316, 316L, 317L, 321, 347, MONEL, NICKEL, TITANIUM, ALLOY20, INCONEL600,800
- Filler material : GRAPHITE, PTFE, NON-ASB. ASBESTOS
- Ring material : CARBON STEEL and in addition to the same material used on Hoop
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