Product Name: ASME B16.20 Spiral Wound Gaskets
Type: Spiral Wound Gasket
Design Standard: ASME B16.20
Size: 6 Inch, DN150
Pressure: Class 300 LB, PN50
Materials:
Inner & Outer Ring: Stainless Steel SS 316
Filler: Graphite
Usage: For RF Flange
Source: https://www.landeepipefitting.com/asme-b16-20-spiral-wound-gaskets-ss-316-ir-or-6-in-cl300.html