Overview
This 12-inch spiral wound gasket is engineered for high-pressure sealing in demanding industrial piping and flange applications. It is constructed with 316L stainless steel windings and a graphite filler, providing reliable performance in temperatures up to 1500°F and pressures of 300 LB. The internal ring ensures precise centering during installation and contains the filler material, enhancing stability and blow-out resistance for both indoor and outdoor service. It conforms to the HG/T20631-2009 standard for consistent quality and dimensional accuracy.
Key Features
Engineered for high-pressure service up to 300 LB High-temperature resistance rated to 1500°F
Internal centering ring for accurate alignment and filler retention 316L stainless steel construction for superior corrosion resistance
Flexible graphite filler provides a reliable seal under variable conditions
Suitable for both indoor and outdoor applications Manufactured to HG/T20631-2009 standard specifications
Specifications
Nominal Pipe Size: 12 Inch Pressure Class: 300 LB Sealant Type: Spiral Wound Gasket Metal Windings: 316L Stainless Steel Filler Material: Flexible Graphite Inner Ring: 316L Stainless Steel Standards: HG/T20631-2009 Chemical Base: Graphite Indoor/Outdoor Use: Both Paintable: No Unit: Single Gasket
Applications
High-pressure process piping in chemical and petrochemical plants
Flange connections in power generation and steam systems
Refinery and hydrocarbon processing equipment
Industrial boilers and heat exchangers General industrial piping requiring a robust, temperature-resistant seal
