| Pressure | Size | Dimensional Standard | |
| 150# | ? 24 | ANSI B16.5 | |
| 300# | ? 24 | MSS SP44 | |
| 400# | ? 24 | ASME B16.47 | |
| 600# | ? 24 | SERIES A & B | |
| 900# | ? 24 | ||
| 1500# | ? 24 | ||
| 2500# | ? 24 | ||
| PN10 | ? 40 | DIN 2527 | |
| PN16 | ? 40 | BS4504 | |
| PN25 | ? 40 | EN1092 | |
| PN40 | ? 20 | ||
| PN60 | ? 16 | ||
| PN100 | ? 14 |
Forged Flanges