Gasket - Spiral Wound, for ANSI Class 75, B16.47, Series B (in) | |||
|---|---|---|---|
| Pipe
Size (NPS) | Sealing
Element Inside Diameter B | Sealing
Element Outside Diameter C | Outer
Ring Outside Diameter D |
| 26 | 26.25 | 27.00 | 27.88 |
| 28 | 28.25 | 29.13 | 29.88 |
| 30 | 30.25 | 31.13 | 31.88 |
| 32 | 32.25 | 33.13 | 33.88 |
| 34 | 34.25 | 35.13 | 35.88 |
| 36 | 36.25 | 37.25 | 38.31 |
| 38 | 38.25 | 39.31 | 40.31 |
| 40 | 40.25 | 41.31 | 42.31 |
| 42 | 42.25 | 43.25 | 44.31 |
| 44 | 44.25 | 45.50 | 46.50 |
| 46 | 46.25 | 47.50 | 48.50 |
| 48 | 48.38 | 49.50 | 50.50 |
| 50 | 50.25 | 51.50 | 52.50 |
| 52 | 52.38 | 53.63 | 54.63 |
| 54 | 54.38 | 55.63 | 56.63 |
| 56 | 56.50 | 57.88 | 58.88 |
| 58 | 58.50 | 59.88 | 60.88 |
| 60 | 60.50 | 61.75 | 62.88 |
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".
