Overview
This D-shaped spiral wound gasket is engineered for critical sealing applications in high-pressure and high-temperature industrial piping systems. It is specifically designed for flanged connections where a reliable, leak-free seal is paramount under demanding operating conditions. The gasket features a robust construction with a flexible, resilient wound core and reinforcing rings to handle system vibrations, pressure fluctuations, and thermal cycling. Its 8.5-inch nominal size ensures compatibility with standard flanged assemblies, providing a direct replacement part for maintenance and repair operations.
Key Features
D-shaped profile for precise alignment and installation in corresponding flanged joints Spiral wound construction with a flexible graphite filler for superior sealing performance 304 stainless steel inner and outer reinforcing rings for added stability and compression resistance Rated for service up to 300 lbs pressure class Withstands continuous operating temperatures up to 1,500°F Provides excellent resilience against pressure surges and thermal shock Conforms to established industry dimensional and material standards
Specifications
Material: 304 Stainless Steel (Inner/Outer Rings and Windings) Size: 8.5 Inch Nominal Standards: Meets Industry Standards for D-shaped Spiral Wound Gaskets Connection Type: Flanged Pressure Rating: 300 lbs Temperature Rating: 1,500°F Profile: D-Shape with Inner and Outer Rings Pack Quantity: 2 Gaskets
Applications
Sealing high-pressure process piping in chemical and petrochemical plants Flanged connections in power generation and boiler systems High-temperature steam lines and heat exchanger manifolds General industrial service for oil, gas, and fluid handling systems Maintenance and repair of existing flanged assemblies in demanding environments
