Overview
This industrial-grade spiral wound gasket is engineered for creating reliable, high-integrity seals in demanding piping and vessel flange connections. Manufactured in compliance with the HG/T20610-2009 standard, it is designed for use with raised face flanges. The gasket features a robust construction with a stainless steel winding and a graphite filler, providing excellent resilience and sealing performance across a wide range of pressures and temperatures. It is supplied as a single unit, ready for installation in critical process applications.
Key Features
Construction with Type 316 stainless steel winding for superior corrosion resistance
Flexible graphite filler offering excellent thermal conductivity and sealability Suitable for multiple pressure classes including PN10, PN16, PN25, PN40, and PN63 Manufactured to industry standard HG/T20610-2009 for dimensional consistency and quality
Spiral wound design provides inherent resilience to system vibration and thermal cycling Designed for use with standard 5.08 inch (DN100) nominal pipe size flanges
Specifications
Material: Type 316 Stainless Steel with Graphite Filler Nominal Size: 5.08 inches (DN100) Gasket ID: Approximately 4.92 inches Gasket OD: Approximately 5.08 inches Overall Thickness: 0.126 inches Pressure Rating: PN10, PN16, PN25, PN40, PN63 Standards: HG/T20610-2009 Style: Basic Type (A-type) with centering ring Package Quantity: 1
Applications
Sealing flanged connections in chemical and petrochemical processing High-temperature and high-pressure steam lines
Oil and gas pipeline and refinery systems
Power generation and boiler feed applications General industrial piping for aggressive media








