Overview
This 33-inch D2222 flange gasket is engineered for critical sealing applications in high-pressure, high-temperature industrial piping systems. It is a metal-wound gasket featuring a robust construction with both inner and outer containment rings, designed to provide a secure, reliable, and long-lasting seal. Manufactured from corrosion-resistant Stainless Steel 304, it is built to withstand demanding service conditions, including exposure to aggressive media and thermal cycling. The gasket is produced to conform with the HG/T20610-2009 standard, ensuring consistent quality and dimensional accuracy for a proper fit and optimal performance in PN25 rated flanged connections.
Key Features
Constructed from corrosion-resistant Stainless Steel 304 for enhanced durability Metal-wound design with a graphite filler for superior sealing under compression
Integrated inner and outer steel containment rings for added stability and blowout prevention Engineered to meet HG/T20610-2009 industry standards for dimensional compliance Rated for PN25 pressure class service, suitable for demanding applications 33-inch nominal size ensures compatibility with large-diameter piping systems
Robust design maintains seal integrity across a wide temperature range
Specifications
Material: Stainless Steel 304 Size: 33.07 inches (Nominal Diameter DN800) Standards: HG/T20610-2009, D2222 Configuration Connection Type: Flange Gasket Pressure Rating: PN25 Design: Metal Wound with Inner and Outer Rings Filler Material: Graphite Pack Quantity: 1 piece per unit
Applications
Sealing connections in chemical and petrochemical processing pipelines High-pressure steam lines and power generation systems
Oil and gas transmission and refining infrastructure
Industrial heating and boiler feed systems Large-diameter fluid handling in water treatment and industrial plants








