2 1/2" 300/400/600# 304SS & GRAPHITE RWI

Ordered as 7GSW4B0250IR, this is a yellow 304 Stainless Steel Class 300/400/600 Spiral Wound Gasket supplied with a 2.5 inch nominal pipe size and a Class 300/400/600 pressure rating. The spiral wound gasket delivers high-integrity sealing on critical flanges where pressure and temperature fluctuate. This item is further identified as S/w 304 S.s. Inner Ring.

As a material, 304 Stainless Steel is known for dimensional stability under thermal cycling and a hygienic, cleanable surface suited to sanitary process lines. It resists salt water and washdown, elevated temperature, and chemical attack. It is not the right choice where chloride stress cracking in some grades or galvanic pairing with dissimilar metals are present.

Maintenance and OEM teams specify it across marine and offshore, pharmaceutical, and chemical transfer.

Order part number 7GSW4B0250IR, sold individually. Application requirements vary, so validate compatibility with your process conditions prior to installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.