Overview
This 316L Stainless Steel Spiral Wound Gasket is a precision sealing component engineered for demanding industrial piping systems. It is constructed to the HG/T20631-2009 standard, ensuring compatibility and performance in high-pressure and high-temperature applications. The gasket is designed for use on 1-1/4 inch (DN32) flanges rated for 150LB pressure classes, providing a reliable, leak-tight seal in critical process environments where chemical resistance and thermal stability are paramount.
Key Features
C-shaped spiral wound construction for superior sealing performance Outer centering ring ensures precise alignment and prevents over-compression
Flexible graphite filler delivers excellent conformability and seal integrity 316L stainless steel inner and outer windings offer outstanding corrosion resistance Engineered for high-temperature service common in process industries Suitable for high-pressure applications up to 150LB flange ratings
Specifications
Standard: HG/T20631-2009 Nominal Pipe Size: 1-1/4 inch (DN32) Pressure Class: 150LB Winding Metal: 316L Stainless Steel Filler Material: Flexible Graphite Outer Ring: Carbon Steel (for centering) Construction Type: Spiral Wound with Outer Ring Compatible Pipe Material: 316L Stainless Steel Package Quantity: 25 gaskets
Applications
Sealing flanges in chemical and petrochemical processing plants High-temperature steam lines and utility piping
Refinery and hydrocarbon processing systems
Power generation and boiler feed applications General industrial process piping requiring a robust, metallic gasket solution
