Overview
This 14-inch spiral wound gasket is engineered for high-performance sealing in critical industrial piping and vessel flanges. Manufactured in strict compliance with the HG/T 20631-2009 standard, it ensures dimensional accuracy and reliable fit for standard raised face flanges. The gasket is constructed to handle demanding service conditions, including high pressure and exposure to corrosive fluids, providing a long-lasting, leak-tight seal that maintains system integrity and operational safety.
Key Features
Designed for a nominal pipe size of 14 inches (DN350) and a pressure class of 300 pounds Built to the exacting specifications of the HG/T 20631-2009 industry standard Features a PTFE (polytetrafluoroethylene) filler material for superior chemical resistance Utilizes a 304 stainless steel winding for durability and spring-like recovery under load Includes a sturdy 304 stainless steel outer ring (C2230 style) for added structural support and handling
Provides a reliable seal for both indoor and outdoor applications across a wide temperature range Engineered for use on standard raised face flanges to prevent over-compression
Specifications
Standards: HG/T 20631-2009 Nominal Size: 14 inches (DN350) Pressure Class: 300 LB Gasket Style: C2230 (with outer ring) Winding Metal: 304 Stainless Steel Filler Material: PTFE (Teflon) Outer Ring Material: 304 Stainless Steel Chemical Base: PTFE Sealant Type: Spiral Wound Gasket Indoor/Outdoor Use: Suitable for Both Paintable: No Unit: Sold Individually (1 per pack)
Applications
Ideal for sealing connections in chemical and petrochemical processing pipelines
Suitable for use in pharmaceutical manufacturing where purity and chemical resistance are critical Applied in power generation facilities for steam, water, and auxiliary system flanges Used in oil and gas production, refining, and transmission systems
Effective for handling corrosive media in pulp and paper plant operations Recommended for any industrial application requiring a robust, chemical-resistant seal on 14-inch 300LB flanges
