Overview
This Type B metallic wound gasket with an inner ring is engineered for high-integrity sealing in demanding industrial flange connections. It is constructed for piping systems requiring reliable performance across a wide range of pressures and temperatures. The gasket conforms to the HG/T20610-2009 standard, ensuring compatibility and quality for chemical and petrochemical applications. Its robust design is suitable for both indoor and outdoor installations, providing a durable seal that resists thermal cycling and mechanical stress.
Key Features
Wound construction with 304 stainless steel windings and graphite filler Integrated inner ring for added stability and blow-out resistance Suitable for a broad pressure range from 16 PSI to 160 PSI Engineered for thermal and chemical stability in harsh service environments Conforms to industry-standard dimensions for reliable flange mating
Specifications
Standard: HG/T20610-2009 Gasket Type: B (With Inner Ring) Nominal Diameter: DN1250 (49.2 inches) Outside Diameter: 143 mm (5.63 inches) Inside Diameter: 155 mm (6.10 inches) Inner Ring Diameter: 175 mm (6.89 inches) Thickness: 3.2 mm (0.13 inches) Pressure Ratings: PN16, PN25, PN40, PN63, PN100, PN160 Construction Material: 304 Stainless Steel Windings Filler Material: Flexible Graphite Inner Ring Material: 304 Stainless Steel Chemical Base: Graphite Sealant Type: Gasket Indoor/Outdoor Use: Both Paintable: No Package Quantity: 10 pieces
Applications
High-pressure flange connections in chemical processing plants Sealing for heat exchangers, valves, and pumps in oil and gas pipelines Boiler and steam system applications General industrial piping requiring ANSI class flange compatibility Maintenance and repair operations in power generation and refining facilities
