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Spiral Wound Gaskets

CVS® Spiral Wound Gasket SS 316L Inner & Outer Rings (‘IOR’ Type)

CVS® ‘IOR’ Type Spiral Wound Gasket is made up of a V-shaped strip of Stainless Steel 316L metallic strip and graphite filler, with outer and inner rings made up of Stainless Steel 316L.


This gasket has the best sealing characteristics combined with the highest safety for flanged joints with flat face and raised face flanges.




Used for pipelines and pressure vessels on steam, petrochemical, nuclear, and hydraulic plants.



Product Features:

•  Gasket are made in a wide variety of sizes and shapes

•  Quick to install and remove

•  Operating temperatures from cryogenic up to 1000°C

•  System pressures from high vacuum to over 35MPa/350Bar

•  Suitable for high pipeline pressure on flat or raised flange faces

•  Inner retaining ring increases the axial rigidity and resilience of the gasket

•  Metallic outer centering ring controls the compression and holds the gasket centrally within the bolt circle



Technical Specifications:



Winding Material Max Temperature (Stainless Steel 316L): 650°C

Characteristics of Stainless Steel 316L: High corrosion resistance, high-temperature resistance, and resistance to rusting

Filler Material Max Temperature (Graphite): 500°C

Characteristics of Graphite: Very good chemical resistance, resistance to ageing, and good gas-tightness



Get In Touch With Us For Availability Of Sizes

These gaskets are manufactured to International specifications such as ASME, DIN, and JIS. We also manufacture to customer’s specifications.