Overview
The 304 Stainless Steel Retaining Washer is a precision-engineered, spiral-wound gasket designed for creating robust, leak-tight seals in high-pressure and high-temperature piping systems. Its metal-wound construction with a graphite filler provides exceptional resilience and sealing force, making it a critical component for maintaining system integrity in demanding industrial environments. This specific configuration includes an external centering ring for added stability and ease of installation.
Key Features
Constructed from corrosion-resistant 304 stainless steel for durability. Spiral-wound design with flexible graphite filler for superior sealability. External centering ring ensures proper alignment and prevents gasket blow-out. Engineered to withstand extreme pressure differentials and thermal cycling. Suitable for sealing on raised face flanges in standardized applications.
Specifications
Material Grade/Class: 304
Material
Stainless Steel Shaft/Bore Diameter: 3.39 inches Thickness: 0.18 inches Finish: Standard mill finish System of Measurement: Metric (dimensions converted to Imperial) Thread Size: Not applicable Package Quantity: 12 washers
Applications
Ideal for use in chemical and petrochemical processing plants. Suitable for power generation facilities, including steam lines. Applicable in oil and gas pipeline and refinery systems. Used in industrial heating, ventilation, and high-temperature plumbing. Designed for flange connections in pumps, valves, and heat exchangers.








