HG/T 316L Spiral Wound Gasket, 12" 300LB, PTFE Filler, Pkg Qty 2
Overview
This 12-inch spiral wound gasket is engineered for demanding 300 LB flange connections in chemical and petrochemical processing. It features a PTFE (polytetrafluoroethylene) filler for superior chemical resistance against a wide range of corrosives, supported by durable 316L stainless steel inner and outer rings for structural stability and seating. Manufactured to the HG/T 20631-2009 standard, it is suitable for both indoor and outdoor applications, providing a reliable, long-lasting seal in high-pressure piping systems.
Key Features
Constructed with a spiral-wound design for exceptional resilience and sealing force PTFE filler provides near-universal chemical inertness and a wide temperature range 316L stainless steel inner and outer rings ensure precise centering and prevent over-compression Meets the dimensional and material requirements of the HG/T 20631-2009 standard
Suitable for use in both indoor and outdoor industrial environments
Specifications
Nominal Pipe Size: 12 inches Pressure Class: 300 LB Filler Material: Polytetrafluoroethylene (PTFE) Windings Material: 316L Stainless Steel Inner Ring Material: 316L Stainless Steel Outer Ring Material: 316L Stainless Steel Design Standard: HG/T 20631-2009 Gasket Style: D-Type (with inner and outer ring) Indoor/Outdoor Use: Both Paintable: No Package Quantity: 2
Applications
Sealing flanges in chemical processing and acid handling systems
Petroleum refining and petrochemical plant piping Pharmaceutical and food processing equipment requiring high-purity seals High-pressure steam and utility service lines General industrial piping for corrosive media
