TECHNICAL INFORMATION
Flanges Dimensions
Flanges Dimensions
| Normal pipe size |
Outside dia. of flange |
Minimum thickness of flange |
Overall Length | Bolt Circle | No. and Size of Holes |
O.D. of raised face |
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| Welding neck | Slip-on & socket welding |
Lap Joint | |||||||
| O | Q | Y | Diam. | No. | dia. | R | |||
| 1/2 | 95 | 14.3 | 52.4 | 22.2 | 22.2 | 66.5 | 4 | 15 | 35 |
| 3/4 | 117 | 15.9 | 57.2 | 25.4 | 25.4 | 82.5 | 4 | 19 | 43 |
| 1 | 124 | 17.5 | 61.9 | 27.0 | 27.0 | 89.0 | 4 | 19 | 51 |
| 1-1/4 | 133 | 20.7 | 66.7 | 28.6 | 28.6 | 98.5 | 4 | 19 | 64 |
| 1-1/2 | 156 | 22.3 | 69.8 | 31.8 | 31.8 | 114.5 | 4 | 22 | 73 |
| 2 | 165 | 25.4 | 73.0 | 36.5 | 36.5 | 127.0 | 8 | 19 | 92 |
| 2-1/2 | 190 | 28.6 | 79.4 | 41.3 | 41.3 | 149.0 | 8 | 22 | 105 |
| 3 | 210 | 31.8 | 82.6 | 46.0 | 46.0 | 168.0 | 8 | 22 | 127 |
| 3-1/2 | 229 | 35.0 | 85.7 | 49.2 | 49.2 | 184.0 | 8 | 25 | 140 |
| 4 | 273 | 38.1 | 101.6 | 54.0 | 54.0 | 216.0 | 8 | 25 | 157 |
| 5 | 330 | 44.5 | 114.3 | 60.3 | 60.3 | 266.5 | 8 | 29 | 186 |
| 6 | 356 | 47.7 | 117.5 | 66.7 | 66.7 | 292.0 | 12 | 29 | 216 |
| 8 | 419 | 55.6 | 133.4 | 76.2 | 76.2 | 349.0 | 12 | 32 | 270 |
| 10 | 508 | 63.5 | 152.4 | 85.7 | 115.1 | 432.0 | 16 | 85 | 324 |
| 12 | 559 | 66.7 | 155.6 | 92.1 | 111.1 | 489.0 | 20 | 35 | 381 |
| 14 | 603 | 69.9 | 165.1 | 93.7 | 117.5 | 527.0 | 20 | 38 | 413 |
| 16 | 686 | 76.2 | 177.8 | 106.4 | 127.0 | 603.0 | 20 | 41 | 470 |
| 18 | 743 | 82.6 | 184.2 | 117.6 | 139.7 | 654.0 | 20 | 45 | 533 |
| 20 | 813 | 88.9 | 190.5 | 127.0 | 165.1 | 724.0 | 24 | 45 | 584 |
| 24 | 940 | 101.6 | 203.2 | 139.7 | 184.2 | 838.0 | 24 | 51 | 692 |