Product Item: Flange Isolation Gasket Kit
Type: Type F
Standard: ASME B16.5
Size: DN25
Pressure: Class 150 LB
Material: Neoprene-faced Phenolic (Gasket), G10 (Washers)
Usage: to Match Flange
Source: https://www.landee.cn/flange-isolation-gasket-kits-neoprene-faced-phenolic-dn25.html