Product Name: 8 Inch Spiral Wound Gasket
Type: Spiral Wound Gasket
Material:
Inner & Outer Ring: Stainless Steel SS 316
Filler: Graphite
Size: 8 Inch, DN200
Pressure: Class 150 LB, PN20
Usage: for RF Flange
Source: https://www.landeepipefitting.com/8-inch-spiral-wound-gasket-ss-316-graphite-dn200-150-lb.html