4" 150# 304 SS & GRAPHITE RWI

Ordered as 7GSW4A0400IR, this is a yellow 304 Stainless Steel Class 150 Spiral Wound Gasket measuring a 4 inch nominal pipe size and a Class 150 pressure rating. The spiral wound gasket delivers high-integrity sealing on critical flanges where pressure and temperature fluctuate. The catalog record notes: S/w 304 S.s. Inner Ring.

It resists elevated temperature, high pressure, and salt water and washdown. 304 Stainless Steel offers excellent corrosion resistance in washdown and marine service, high mechanical strength and pressure capability. It should not be specified for service in galvanic pairing with dissimilar metals or chloride stress cracking in some grades.

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

Order part number 7GSW4A0400IR, sold individually. As always, verify media compatibility and operating conditions against the requirements of your specific application. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.