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 | 121 | 22.3 | 60.3 | 31.8 | 31.8 | 82.5 | 4 | 22 | 35 |
| 3/4 | 130 | 25.4 | 69.8 | 34.9 | 34.9 | 89.0 | 4 | 22 | 43 |
| 1 | 149 | 28.6 | 78.0 | 41.3 | 41.3 | 101.5 | 4 | 25 | 51 |
| 1-1/4 | 159 | 28.6 | 78.0 | 41.3 | 41.3 | 111.0 | 4 | 25 | 64 |
| 1-1/2 | 178 | 31.8 | 82.6 | 44.4 | 44.4 | 124.0 | 4 | 29 | 78 |
| 2 | 216 | 38.1 | 101.6 | 57.2 | 57.2 | 165.0 | 8 | 25 | 92 |
| 2-1/2 | 244 | 41.3 | 104.8 | 63.5 | 63.5 | 190.5 | 8 | 29 | 105 |
| 8 | 241 | 38.1 | 101.6 | 54.0 | 54.0 | 190.5 | 8 | 25 | 127 |
| 3-1/2 | |||||||||
| 4 | 292 | 44.5 | 114.3 | 69.8 | 69.8 | 235.0 | 8 | 32 | 157 |
| 5 | 349 | 50.8 | 127.0 | 79.4 | 79.4 | 279.5 | 8 | 35 | 186 |
| 6 | 381 | 55.6 | 189.7 | 85.7 | 85.7 | 317.5 | 12 | 32 | 216 |
| 8 | 470 | 68.5 | 161.9 | 101.8 | 114.3 | 393.5 | 12 | 38 | 270 |
| 10 | 546 | 69.9 | 184.2 | 108.0 | 127.0 | 470.0 | 16 | 38 | 324 |
| 12 | 610 | 79.4 | 200.0 | 117.5 | 142.9 | 533.5 | 20 | 38 | 381 |
| 14 | 584 | 54.0 | 142.9 | 76.2 | 111.1 | 514.5 | 20 | 32 | 413 |
| 16 | 711 | 60.4 | 158.8 | 88.9 | 130.2 | 628.5 | 24 | 35 | 533 |
| 20 | 775 | 63.5 | 161.9 | 95.2 | 139.7 | 686.0 | 24 | 35 | 584 |
| 24 | 914 | 69.9 | 168.3 | 106.4 | 152.4 | 843.0 | 24 | 41 | 692 |