Spiral wound gasket is the ideal gasket in the semimetallic category. A narrow strip of V-shape metal hoop is spirally wound tension with a filler cushion between the lamination of the metal and is spot-welded at both ends. The unique construction of a spring-like metal and soft filler provides gasket excellent characteristics.
Resistance to high temperatures and high pressure, great recilience which allows the gasket to adjust automatically to changes in operating conditions, such and pressure and thermal shocks, vibration, etc. Excellent sealability is mainted with comparatively small gasket area. Good tolerance for flange surface finish irregularities, can be designed to any dimensions economically in circular or moderately non-circular shape. Available in a variety of hoop metals and filler materials to satisfy specific operating conditions.
