Product Name: Stainless Steel Gaskets, Double Jacketed Gasket, Pass Partition
Materials:
Filler: Graphite
Hoop: Stainless Steel SS 316
Inner Ring: Stainless Steel SS 304
Size: OD 663 mm, ID 600 mm
Surface Treatment: None
Source: https://www.landeepipefitting.com/stainless-steel-gasket-ss-316-ir-ss-304-hoop-double-jacket.html