SPIRAL WOUND GASKETS & RING JOINTS
| STANDARDS | RANGE N.P.S. | MATERIAL STANDARD |
| ASME B16.9 | 1/2'' to 24'' | OUT RING C.S. /316 + GRAPH. |
| rating 150 to 2500 | OUT RING 316 / 316 + GRAPH. | |
| OUT RING 316 / 316 + GRAPH. / INNER RING 316 | ||
| ASME B16.20 | R11 to R105 | SOFT IRON (ARMCO) |
| ANSI 316 | ||
| etc. |
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