Spiral Wound Gasket, 16" NPS, 900LB, 304 Steel with Graphite
Overview
This industrial-grade spiral wound gasket is engineered for high-pressure, high-integrity sealing in critical piping and vessel connections. Designed to meet the rigorous ASME B16.20-2007 standard, it provides a reliable seal for Class 900LB flanges. The gasket features a robust construction with 304 stainless steel inner and outer rings for structural support and a resilient graphite filler for superior thermal and compression performance. It is intended for indoor use on rigid, aligned flanges where a dependable, non-paintable seal is paramount.
Key Features
Manufactured to ASME B16.20-2007 standard for guaranteed dimensional accuracy and performance. Engineered for high-pressure applications with a 900-pound pressure class rating. Dual-ring construction with 304 stainless steel inner and outer rings for excellent flange protection and crush resistance. Flexible graphite filler provides a tight seal across a wide temperature range and offers good chemical resistance. Suitable for demanding services in petrochemical, power generation, and heavy industrial processing.
Specifications
Standard: ASME B16.20-2007 Nominal Pipe Size: 16 inches Pressure Class: 900LB Sealant Type: Spiral Wound Gasket Filler Material: Flexible Graphite Windings Metal: 304 Stainless Steel Inner Ring Material: 304 Stainless Steel Outer Ring Material: 304 Stainless Steel Indoor/Outdoor Use: Indoor Paintable: No Unit of Measure: Each
Applications
Sealing high-pressure pipe flanges in refinery and chemical processing units. Boiler and steam system connections in power generation facilities. Heat exchanger, pump, and valve connections across process industries. General service on ANSI Class 900 raised face flanges where a spiral wound gasket is specified.








