Overview
This D-type spiral wound flange gasket is engineered for creating a high-integrity, pressure-tight seal in demanding industrial piping systems. It features a robust construction with inner and outer retaining rings, ensuring stability and preventing buckling during flange assembly. The gasket is designed to meet the specific dimensional and material requirements of the HG/T20610-2009 D2222 standard, providing reliable performance in high-pressure and high-temperature service. Each package contains 25 pieces, offering convenient bulk supply for maintenance projects and new installations.
Key Features
D-type spiral wound construction with inner and outer retaining rings
Filler material of flexible graphite for excellent thermal and chemical resistance Windings and rings constructed from Stainless Steel 304 for corrosion resistance Pressure rating of PN25, suitable for applications up to approximately 362 PSI Standard-compliant design ensuring consistent dimensions and reliable sealing Bulk packaging for cost-effective inventory and project planning
Specifications
Material: Stainless Steel 304 (windings and rings) with Graphite filler Nominal Size: 2.4 inches (DN20) Pressure Rating: PN25 (~362 PSI) Construction: Spiral Wound with Inner and Outer Rings Applicable Standard: HG/T20610-2009 D2222 Connection Type: Flange Gasket Package Quantity: 25 pieces
Applications
Sealing connections in chemical and petrochemical processing pipelines High-pressure steam lines and utility systems
Refinery and power generation plant maintenance
Heat exchanger and valve flange connections General industrial service for oil, gas, and water in demanding environments
