Spiral 'Wound Gasket
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Spiral Wound Gasket is the ideal gasket in the semi-metallic category. A narrow strip of V-shape metal hoop is spirally wound under tension with a filler cushion and then spot-welded at both ends.
The gasket with expanded graphite as its filler material offers excellent sealability even under such severe conditions as high temperature, high pressure, cryogenic temperature, heat cycles, and temperature cycles etc.
1. The sealing ability of spiral wound gasket especially in gas condition superior to that of asbestos gaskets.
2. Little deterioration of the filler material at high temperatures, outstanding long-term sealability even under high temperatures and high pressures.
3. Excellent sealability making it possible to apply in corrosive fluids by selecting the appropriate materials.