Gasket - Spiral Wound, for ANSI Class 600, B16.47, Series B (in) | ||||
|---|---|---|---|---|
| Pipe
Size (NPS) | Inner
Ring Inside Diameter A | Sealing
Element Inside Diameter B | Sealing
Element Outside Diameter C | Outer
Ring Outside Diameter D |
| 26 | 25.38 | 26.13 | 28.13 | 30.13 |
| 28 | 27.25 | 27.75 | 29.75 | 32.25 |
| 30 | 29.63 | 30.63 | 32.63 | 34.63 |
| 32 | 31.25 | 32.75 | 34.75 | 36.75 |
| 34 | 33.50 | 35.00 | 37.00 | 39.25 |
| 36 | 35.50 | 37.00 | 39.00 | 41.25 |
| 38 | 37.50 | 39.00 | 41.00 | 43.50 |
| 40 | 39.75 | 41.25 | 43.25 | 45.50 |
| 42 | 42.00 | 43.50 | 45.50 | 48.00 |
| 44 | 43.75 | 45.75 | 47.75 | 50.00 |
| 46 | 45.75 | 47.75 | 49.75 | 52.25 |
| 48 | 48.00 | 50.00 | 52.00 | 54.75 |
| 50 | 50.00 | 52.00 | 54.00 | 57.00 |
| 52 | 52.00 | 54.00 | 56.00 | 59.00 |
| 54 | 54.25 | 56.25 | 58.25 | 61.25 |
| 56 | 56.25 | 58.25 | 60.25 | 63.50 |
| 58 | 58.00 | 60.50 | 62.50 | 65.50 |
| 60 | 60.25 | 62.75 | 64.75 | 68.25 |
Dimensions to ASME B16.20 - Metallic Gaskets for Pipe Flanges: Ring-Joint, Spiral-Wound, and Jacketed- Inner rings are recommended for all graphite filled gaskets, required for all PTFE filled gaskets.
- The gasket outside diameter tolerance for NPS 26" through NPS 60" is ±0.06".
- The gasket inside diameter tolerance for NPS 26" through NPS 34" is ±0.03"; for NPS 36" through NPS 60" is ±0.05".
- The centering ring outside diameter tolerance is ±0.03".
