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Spiral wound gaskets combine a formed metal winding with a softer filler to seal suitable flanged joints. Inner and outer rings may be included according to the gasket design and connection specification.
Process piping and equipment flanges use these gaskets across a range of services. The filler and winding materials must be suitable for the process conditions.
Ring type joint gaskets are machined metallic sealing rings that fit corresponding grooves in flanges. Sealing depends on compatible ring geometry, material and mating surfaces in the specified connection.
Wellhead assemblies and selected high-pressure piping connections use RTJ gaskets. Replacement identification requires the ring number and profile rather than flange size alone.
Sheet and non-metallic gaskets are cut or formed from materials such as elastomers, fiber composites or other specified sealing media. Their suitability depends on both the process chemistry and the joint design.
Utility piping, equipment covers and compatible process connections use these seals. Temperature, pressure and the available compression affect material choice.
O-rings seal using a shaped elastomer ring within a designed groove. Packing consists of sealing elements compressed around a shaft or stem. These products need dimensions and materials matched to the installed assembly.
Valves, pumps and general machinery use O-rings and packing to control leakage. Dynamic movement and fluid exposure affect wear and compatibility.