Specifies the facing column number according to the following correlations:
Gasket Material |
Facing Column |
---|---|
Self-energizing types (O rings, metallic elastomer, and other self-sealing types) |
|
Elastomers without fabric or a high percent of asbestos fiber: Below 75A Shore Durometer |
|
Asbestos with Suitable Binder 1/8" thick |
2 |
Elastomers with cotton fabric |
2 |
Elastomers with Asbestos fabric |
|
Vegetable fiber |
2 |
Spiral-wound, asbestos filled: Carbon |
2 |
Corrugated Metal, w/ Asbestos or corrugated metal, jacketed with: soft aluminum |
2 |
Corrugated Metal: soft aluminum |
2 |
Flat metal, jacketed asbestos filled soft aluminum |
2 |
Grooved Metal soft aluminum |
2 |
Solid flat metal soft aluminum |
2 |
Stainless steels and nickel alloys |
2 |