All dimensions are in "mm" unless noted otherwise.
Dimensions of Class 150 Male Oval Ring-Joint Facing Figure-8 Blanks as per ASME B16.48.

Th = T + t where T is the ring gasket height specified in ASME B16.20.
| NPS | Inside Diameter - B |
Centerline Dimension - A |
Thickness - t | Webwidth - W |
|---|---|---|---|---|
| 1 | 34 | 80 | 6.4 | 51 |
| 11⁄4 | 42 | 90 | 6.4 | 51 |
| 11⁄2 | 48 | 100 | 6.4 | 57 |
| 2 | 61 | 120 | 6.4 | 57 |
| 21⁄2 | 73 | 140 | 9.7 | 57 |
| 3 | 89 | 150 | 9.7 | 57 |
| 31⁄2 | 102 | 175 | 9.7 | 64 |
| 4 | 114 | 190 | 9.7 | 64 |
| 5 | 141 | 215 | 12.7 | 76 |
| 6 | 168 | 240 | 12.7 | 83 |
| 8 | 219 | 300 | 15.7 | 95 |
| 10 | 273 | 362 | 19.1 | 102 |
| 12 | 324 | 432 | 22.4 | 121 |
| 14 | 356 | 476 | 22.4 | 127 |
| 16 | 406 | 540 | 25.4 | 127 |
| 18 | 457 | 578 | 28.4 | 127 |
| 20 | 508 | 635 | 28.4 | 127 |
| 24 | 610 | 749 | 35.1 | 152 |