Class 150 weld neck flanges
12" Class 150 Weld Neck Flange (ASME B16.5)
Price on request · send us the quantity for a USD / EUR quotation
| Standard | ASME B16.5 |
|---|---|
| Nominal size | 12" |
| Pressure rating | Class 150 |
| Outside diameter D | 483 mm |
| Bolt circle K | 431.8 mm |
| Bolt holes | 12 × Ø25.4 mm |
| Flange thickness | 31.8 mm |
| Bolts | 7/8" |
| Stud bolts (n × size × length) | 12 × 7/8" × 4" |
| Pipe OD | 323.8 mm |
| Weight | approx. 39 kg |
Dimensions per ASME B16.5; all values in mm unless noted. Materials: carbon steel (P250GH / A105 / S235JR) or stainless 304 / 316L. EN 10204 3.1 certificate on request.