Overview
This D-type metal wound flange gasket is engineered for high-integrity sealing in critical industrial piping and pressure vessel applications. It features a robust construction with inner and outer containment rings, designed to withstand extreme pressures and thermal cycling while preventing leakage. Manufactured from Stainless Steel 304, it offers excellent corrosion resistance for a wide range of media. The gasket is produced to recognized industry standards, ensuring dimensional accuracy and reliable performance in demanding environments such as chemical processing, oil and gas, and power generation.
Key Features
Constructed from corrosion-resistant Stainless Steel 304 for durability. D-shaped, spiral-wound design with graphite filler for resilient sealing. Integrated inner and outer reinforcing rings for enhanced crush resistance and installation stability. Rated for high-pressure service up to PN40 (approximately 580 PSI). Suitable for a wide temperature range due to metal and graphite composition. Manufactured to comply with specific industry dimensional and material standards. Prevents flange face damage by providing a controlled sealing surface.
Specifications
Material: Stainless Steel 304 (Windings, Inner Ring, Outer Ring) Nominal Size: 20.47 inches Pressure Rating: PN40 Design Standard: D-type with Inner and Outer Rings Filler Material: Flexible Graphite Package Quantity: 2 Gaskets
Applications
Sealing high-pressure flanges in chemical and petrochemical plants. Connections in refinery and offshore oil and gas pipelines. Power generation steam and feedwater systems. Industrial processing equipment requiring reliable, leak-free joints. Pressure vessel manways and connections.








