12" 150# 304 SS & GRAPHITE RWI

7GSW4A1200IR is a yellow 304 Stainless Steel Class 150 Spiral Wound Gasket measuring a 12 inch nominal pipe size and a Class 150 pressure rating. In service, this spiral wound gasket delivers high-integrity sealing on critical flanges where pressure and temperature fluctuate. Supplementary detail from the product record: S/w 304 S.s. Inner Ring.

As a material, 304 Stainless Steel is valued for dimensional stability under thermal cycling, high mechanical strength and pressure capability. The material holds up against chemical attack, salt water and washdown, and corrosion and oxidation.

Maintenance and OEM teams specify it across food and beverage processing, petrochemical, and pharmaceutical.

7GSW4A1200IR ships individually. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.