| Category | Details |
|---|---|
| Specifications | ASTM A105 / ASME SA105 / A105N |
| ASTM A351 | |
| Ansi B16.5 | |
| A234 GR.WPB 52.0 | |
| Size | ½″ (15 NB) to 48″ (1200 NB) |
| ½″ to 100″ (SCH5S–SCH160 | |
| XS | |
| XXS | |
| STD) | |
| ½″ to 24″ | |
| ½″ to 22″ | |
| ½″ to 8″ (DN15–DN200) | |
| Class | 150# |
| 300# | |
| 600# | |
| 900# | |
| 1500# | |
| 2500# | |
| 415# | |
| 485# | |
| 520# | |
| 620# | |
| 1100# | |
| 2200# | |
| Standard | ANSI Flanges |
| ASME Flanges | |
| BS Flanges | |
| DIN Flanges | |
| EN Flanges | |
| ASME B16.9 | |
| B16.11 | |
| MSS-SP-79/83/95/97 |