Spiral Wound Gasket is the ideal gasket in the semi-metallic category. A narrow strip of V-shap metal hoop is spirally wound under tension with a filler cushion between the lami nation of the metal and is spot-welded at both ends.This unique construction of a spring-like metal and soft filler provides gasket excel-lent characteristics.Spiral Wound Gasket has out-standing characteristics of typical resistance to high temperature and high pressures.Great resilience which allows the gasket to adjust automatically to change in operation, such as pressure,  thermal shocks, vibrations etc.Excellent sealability is maintained with comparatively small gasket field.Good tolerance for flange surface finish irregularities.Spiral Wound Gasket can be designed to any dimensions economically in circular or moderately noncircular shape.Spiral Wound Gasket is  available in a variety of hoop metals and filler materials to satisfy specific operating conditions.