Overview
The 321 Stainless Steel Spiral Wound Gasket is a precision-engineered sealing solution designed for high-integrity flange connections in demanding process industries. Its robust construction combines the strength of 321 stainless steel with the sealing performance of graphite to create a reliable seal capable of withstanding significant pressure, thermal cycling, and a wide range of media. This gasket is manufactured to standard dimensions for consistent fit and performance in critical piping and vessel applications.
Key Features
Constructed with 321 stainless steel for excellent high-temperature strength and oxidation resistance Features a resilient spiral-wound design that absorbs flange movement and vibration Graphite filler provides superior conformability and a tight, long-lasting seal Engineered for high-pressure service, suitable for PN25/Class 150 flange ratings
Standardized dimensions ensure reliable interchangeability and proper fitment
Suitable for a broad spectrum of industrial fluids and gases
Specifications
Material: 321 Stainless Steel with Graphite Filler Inner Diameter: 5.56 inches Outer Diameter: 7.64 inches Thickness: 0.13 inches Pressure Rating: PN25 / Class 150 Standards: Meets Industry Standards Sealant Type: Spiral Wound Gasket Chemical Base: Graphite Indoor/Outdoor Use: Suitable for Both Environments Paintable: No Package Quantity: 12
Applications
Ideal for sealing flanges in chemical and petrochemical processing systems Effective for high-temperature steam lines and heat exchanger connections Suitable for oil and gas pipelines, refineries, and hydrocarbon service
Used in power generation plants for boiler feedwater and steam systems Applicable for a variety of industrial fluid handling systems requiring a robust, reusable seal








