Flange – Weld Neck, ANSI Class 150, ASME B16.5, 1/16″ Raised Face (in)
- Dimensions and tolerances in accordance with ANSI/ASME B16.5 for sizes 1/2″ to 24″.
- Carbon steel forgings in accordance with ASTM A105.
- Bolt circle diameters are 1/8 inch larger than bolt diameter.
| Pipe Size(NPS) | OutsideDiameter of Flange A | Diameterof Raised Face B | Thicknessof Flange C | Diameterof Bore D | Diameterof Hub at Weld H | Diameterof Hub at Base J | Lengthof Hub K | Numberof Bolt Holes | Diameterof Bolt Holes | BoltCircle Diameter P | Approx.Weight (lb) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/2 | 3 1/2 | 1 3/8 | 7/16 | 0.622 | 0.840 | 1 3/16 | 1 7/8 | 4 | 5/8 | 2 3/8 | 2 |
| 3/4 | 3 7/8 | 1 11/16 | 1/2 | 0.824 | 1.050 | 1 1/2 | 2 1/16 | 4 | 5/8 | 2 3/4 | 2 |
| 1 | 4 1/4 | 2 | 9/16 | 1.049 | 1.315 | 1 15/16 | 2 3/16 | 4 | 5/8 | 3 1/8 | 2.5 |
| 1 1/4 | 4 5/8 | 2 1/2 | 5/8 | 1.380 | 1.660 | 2 5/16 | 2 1/4 | 4 | 5/8 | 3 1/2 | 2.5 |
| 1 1/2 | 5 | 2 7/8 | 11/16 | 1.610 | 1.900 | 2 9/16 | 2 7/16 | 4 | 5/8 | 3 7/8 | 4 |
| 2 | 6 | 3 5/8 | 3/4 | 2.067 | 2.375 | 3 1/16 | 2 1/2 | 4 | 3/4 | 4 3/4 | 6 |
| 2 1/2 | 7 | 4 1/8 | 7/8 | 2.469 | 2.875 | 3 9/16 | 2 3/4 | 4 | 3/4 | 5 1/2 | 10 |
| 3 | 7 1/2 | 5 | 15/16 | 3.068 | 3.500 | 4 1/4 | 2 3/4 | 4 | 3/4 | 6 | 11 |
| 3 1/2 | 8 1/2 | 5 1/2 | 15/16 | 3.548 | 4.00 | 4 13/16 | 2 13/16 | 8 | 3/4 | 7 | 12 |
| 4 | 9 | 6 3/16 | 15/16 | 4.026 | 4.500 | 5 5/16 | 3 | 8 | 3/4 | 7 1/2 | 15 |
| 5 | 10 | 7 5/16 | 15/16 | 5.047 | 5.563 | 6 7/16 | 3 1/2 | 8 | 7/8 | 8 1/2 | 19 |
| 6 | 11 | 8 1/2 | 1 | 6.065 | 6.625 | 7 9/16 | 3 1/2 | 8 | 7/8 | 9 1/2 | 24 |
| 8 | 13 1/2 | 10 5/8 | 1 1/8 | 7.981 | 8.625 | 9 11/16 | 4 | 8 | 7/8 | 11 3/4 | 39 |
| 10 | 16 | 12 3/4 | 1 3/16 | 10.020 | 10.750 | 12 | 4 | 12 | 1 | 14 1/4 | 52 |
| 12 | 19 | 15 | 1 1/4 | 12.00 | 12.750 | 14 3/8 | 4 1/2 | 12 | 1 | 17 | 80 |
| 14 | 21 | 16 1/4 | 1 3/8 | 13.25 | 14.00 | 15 3/4 | 5 | 12 | 1 1/8 | 18 3/4 | 120 |
| 16 | 23 1/2 | 18 1/2 | 1 7/16 | 15.25 | 16.00 | 18 | 5 | 16 | 1 1/8 | 21 1/4 | 127 |
| 18 | 25 | 21 | 1 9/16 | 17.25 | 18.00 | 19 7/8 | 5 1/2 | 16 | 1 1/4 | 22 3/4 | 140 |
| 20 | 27 1/2 | 23 | 1 11/16 | 19.25 | 20.00 | 22 | 5 11/16 | 20 | 1 1/4 | 25 | 170 |
| 22 | 29 1/2 | 25 1/4 | 1 13/16 | 21.25 | 22.00 | 24 | 5 7/8 | 20 | 1 3/8 | 27 1/4 | 224 |
| 24 | 32 | 27 1/4 | 1 7/8 | 23.25 | 24.00 | 26 1/8 | 6 | 20 | 1 3/8 | 29 1/2 | 260 |