Overview
This 18-inch spiral wound gasket is engineered for high-pressure, high-temperature sealing in critical industrial piping and vessel flanges. Designed to meet the rigorous SH/T3407-2013 standard, it provides a dependable, long-lasting seal for demanding process applications. The gasket's construction combines the strength and corrosion resistance of 316L stainless steel with the thermal stability and compressibility of a graphite filler. The inclusion of an integral outer centering ring ensures easy alignment during installation and contains the winding, making it suitable for a wide range of service conditions in both indoor and outdoor environments.
Key Features
Engineered for high-pressure service rated for 300LB flanges Constructed with corrosion-resistant 316L stainless steel winding
Graphite filler offers excellent thermal conductivity and stability
Integral outer centering ring for precise alignment and winding containment Manufactured to the SH/T3407-2013 industry standard
Provides a reliable seal across a broad spectrum of chemicals and media
Suitable for use in both indoor and outdoor installations
Specifications
Nominal Size: 18 inches (DN450) Pressure Class: 300LB Construction: Spiral Wound Winding Metal: 316L Stainless Steel Filler Material: Graphite Outer Ring: Yes (Centering Ring) Compliance Standard: SH/T3407-2013 Indoor/Outdoor Use: Both Paintable: No Pack Quantity: 1
Applications
Sealing high-pressure process piping in chemical and petrochemical plants
Flange connections in power generation and utilities
Heat exchanger and pressure vessel manways
Pulp and paper processing equipment Refinery and offshore oil & gas piping systems General industrial piping requiring a robust, metallic gasket solution
