Overview
This industrial-grade spiral wound gasket is engineered for high-integrity sealing in demanding piping and pressure vessel applications. It is constructed to provide a reliable, leak-tight seal in flange connections subjected to high pressures, thermal cycling, and corrosive media. The gasket is manufactured to the HG/T20631-2009 standard, ensuring dimensional consistency and performance reliability for critical process systems.
Key Features
Robust 304 stainless steel winding for structural strength and resilience PTFE (polytetrafluoroethylene) filler for exceptional chemical resistance Integrated 304 stainless steel inner ring for gasket stability and blow-out protection Designed for service ratings up to 300 LB and 600 LB
Suitable for a wide temperature range due to metal and PTFE construction
Provides effective sealing on serrated and smooth flange faces
Specifications
Standards: HG/T20631-2009 Nominal Pipe Size: 2 inches Pressure Class: 300 LB / 600 LB Winding Material: 304 Stainless Steel Filler Material: Polytetrafluoroethylene (PTFE) Inner Ring Material: 304 Stainless Steel Sealant Type: Spiral Wound Gasket Indoor/Outdoor Use: Both Paintable: No Package Quantity: 50
Applications
Sealing flanges in chemical and petrochemical processing plants High-pressure steam and utility lines
Oil and gas pipeline connections
Heat exchanger and pressure vessel manways
Pump and valve connections in corrosive service General industrial piping requiring a robust, multi-purpose seal








