Overview
This D-shaped flange gasket is engineered for high-pressure sealing applications in demanding industrial environments. It is specifically designed to create a reliable, leak-proof seal between flanged connections in piping systems handling aggressive media, extreme temperatures, or significant pressure fluctuations. The gasket conforms to the GB/T4622.2-2003 standard, ensuring dimensional consistency and performance predictability for maintenance and repair operations.
Key Features
D-shaped profile with integral inner and outer containment rings Pressure rating suitable for systems up to 63 bar (approximately 914 PSI)
Metal wound construction with flexible graphite filler for superior sealability 304 stainless steel inner ring for structural support 316L stainless steel outer ring for enhanced corrosion resistance Designed for nominal pipe sizes of 16.54 inches
Excellent resilience and recovery under bolt load
Suitable for a wide range of temperatures and media
Specifications
Material: 304 & 316L Stainless Steel with Graphite Filler Size: 16.54 inches (Nominal Pipe Size) Standards: GB/T4622.2-2003 Connection Type: Flange Profile: D-Shape with Inner and Outer Rings Pressure Rating: PN63 (Approx. 914 PSI) Pack Quantity: 1 unit
Applications
Sealing high-pressure flanges in chemical and petrochemical processing
Power generation and steam system piping
Oil and gas pipeline connections and valves
Industrial heating and cooling systems General industrial plant maintenance and overhaul








