Overview
This flanged D-ring gasket is a precision-engineered sealing solution designed for high-pressure and high-temperature flange connections in demanding industrial piping systems. It is constructed as a spiral-wound metal gasket, a design renowned for its resilience and reliable performance under variable loads and thermal cycling. The gasket is manufactured to comply with the specific dimensional and material requirements of the HG/T20610-2009 standard, ensuring consistent quality and fit for standardized flange assemblies.
Key Features
Engineered for high-pressure service up to approximately 914 PSI
Superior sealing performance with flexible graphite filler Excellent corrosion resistance from 304 and 316L stainless steel construction D-ring design with inner and outer metal rings for added stability and compression control Spiral-wound structure allows for flexibility and recovery under fluctuating conditions Manufactured to industry standard HG/T20610-2009 for guaranteed compatibility
Specifications
Material Construction: 304 Stainless Steel Inner Ring, 316L Stainless Steel Outer Ring, Flexible Graphite Filler Nominal Size: 4.57 inches (DN100) Pressure Rating: PN63 (Approximately 914 PSI) Design Type: D-Ring with Inner and Outer Guide Rings (Spiral Wound) Connection Type: Flanged Relevant Standard: HG/T20610-2009 Pack Quantity: 12
Applications
High-pressure process piping in chemical and petrochemical plants
Power generation and utility steam systems
Oil and gas pipeline flange connections
Industrial refrigeration and HVAC systems Any application requiring a robust, standard-compliant seal for PN63 flanged joints
