A Spiral Wound Gasket is an ideal choice for high-pressure sealing applications, particularly in pipes, valves and pumps. This type of gasket is made from alternating strips of metal and filler material, allowing it to be custom-made for a variety of operating conditions. Its design allows for maximum flexibility and recovery from extreme temperature changes.

A spiral wound gasket is made up of a thin metal winding strip and a softer filler material. The filler flows into any imperfections in the flange surface, thereby providing a strong seal. The metal strip also provides mechanical resistance. It is available in a variety of materials, including graphite and PTFE.

The most common configuration is Style CG Style, which features a solid metal ring around the outer diameter. This ring prevents the gasket from buckling along the inside. It also adds strength to the gasket by providing a physical barrier between the gasket and the process stream. This gasket is recommended for moderate to severe service conditions, including high-temperature and high-pressure applications.

A spiral wound gasket may have an inner retaining ring that prevents the windings from buckling inside the pipe. A buckling gasket can cause pieces to move into the pipe and become trapped in the piping system. An inner ring prevents this from happening by preventing buckling and other problems with the gasket.