Overview
This industrial-grade spiral wound gasket is manufactured to the exacting requirements of the ASME B16.20-2007 standard, ensuring reliable performance in critical piping systems. Designed for a nominal pipe size of 4 inches with a 150-pound pressure class rating, it provides a robust, temperature-resistant seal for flange connections. The precision-engineered construction combines a resilient graphite filler with a durable metal winding, all secured within a sturdy outer ring for optimal performance in demanding process environments. Each unit is supplied in a convenient pack of twelve.
Key Features
ASME B16.20-2007 compliant construction for guaranteed dimensional accuracy and performance Spiral wound design with a 304 stainless steel inner winding for mechanical strength and spring-like recovery High-purity graphite filler layer providing excellent thermal stability and chemical resistance Integral 304 stainless steel outer ring ensures precise centering during flange assembly, preventing gasket blow-out Engineered for high-pressure sealing applications in chemical, petrochemical, and process industries
Suitable for indoor use in controlled industrial environments
Specifications
Standard: ASME B16.20-2007 Sealant Type: Spiral Wound Gasket Nominal Pipe Size (NPS): 4 inches Pressure Class: 150LB Metal Winding Material: 304 Stainless Steel Filler Material: Flexible Graphite Outer Ring Material: 304 Stainless Steel Chemical Base: Graphite Intended Use: Indoor Applications Paintable: No Package Quantity: 12
Applications
Sealing flange connections in chemical processing and transfer systems High-temperature and high-pressure service in refinery and petrochemical pipelines General industrial process piping requiring ASME-compliant gaskets Boiler feedwater, steam, and heat exchanger systems Applications involving hydrocarbons, solvents, and various process fluids
