Overview
This industrial-grade metal wound gasket is engineered for high-performance sealing in critical piping and vessel flanged connections. Manufactured in strict compliance with the HG/T20631-2009 standard, it is designed to withstand demanding pressure and temperature conditions while providing exceptional leak prevention. The gasket features a robust construction with a polytetrafluoroethylene (PTFE) filler wound between 304 stainless steel windings, all reinforced with a 304 stainless steel inner and outer ring. This design ensures superior crush resistance, excellent recovery, and a reliable seal in both static and dynamic applications, making it a trusted component for maintenance and new installations.
Key Features
Manufactured to HG/T20631-2009 industry standard for assured quality and dimensional consistency Rated for 150LB pressure class service, suitable for a wide range of industrial operating conditions
PTFE filler provides outstanding chemical resistance against a vast array of corrosive media 304 stainless steel inner and outer rings offer enhanced structural integrity and bolt load support
Metal winding and ring construction ensures excellent resilience and sealing under variable pressures
Suitable for both indoor and outdoor applications without performance degradation
Prevents flange face damage by distributing sealing stress evenly
Specifications
Standard: HG/T20631-2009 Nominal Pipe Size: 2 inches Pressure Class: 150LB Gasket Type: Style C with Inner and Outer Ring (304 Stainless Steel) Filler Material: Polytetrafluoroethylene (PTFE) Winding Material: 304 Stainless Steel Chemical Base: Polytetrafluoroethylene Sealant Type: Wound Metal Gasket Indoor/Outdoor Use: Both Paintable: No Pack Quantity: 36
Applications
Sealing flanged connections in chemical and petrochemical processing pipelines Use in power generation facilities for steam, water, and auxiliary systems General industrial plant maintenance for pumps, valves, heat exchangers, and vessels Applications requiring resistance to aggressive chemicals, solvents, and acids Refrigeration and HVAC systems utilizing specific industrial refrigerants
