Overview
This industrial-grade spiral wound gasket is engineered for high-integrity sealing in demanding piping and vessel applications. Designed for a nominal pipe size of 4 inches and a pressure class of 150 pounds, it conforms to the established D1222 standard, ensuring dimensional consistency and reliable performance in flanged connections. Its robust construction provides a resilient, leak-tight seal capable of withstanding significant thermal cycling and mechanical stress, making it a critical component for system safety and efficiency.
Key Features
Manufactured to the D1222 standard for guaranteed dimensional accuracy and fit Constructed from 304 stainless steel for superior corrosion resistance and durability Spiral wound design creates a resilient, self-compensating seal under variable loads
Suitable for both indoor and outdoor installations in harsh service environments
Provides an effective seal across a wide range of temperatures and pressures
Supplied as a pair for convenient project use or replacement
Specifications
Standard: D1222 Nominal Pipe Size: 4 Inches Pressure Class: 150LB Construction Material: 304 Stainless Steel Gasket Type: Spiral Wound Filler Material: Typically non-asbestos, suitable for standard industrial services Indoor/Outdoor Use: Both Paintable: No Package Quantity: 2 Gaskets
Applications
Sealing flanged connections in chemical and petrochemical processing pipelines High-pressure steam lines and boiler feed systems
Oil and gas transmission and refining operations
Power generation and utility plant piping General industrial process piping requiring a robust, metallic gasket solution








