| NPS |
Flange OD (O) |
Thickness (T) |
Hub Diameter (X) |
Hub Length (Y) |
Bore (B) |
Bolt Circle Dia. |
No. of Holes |
Hole Dia. |
Approx. Weight LBS |
Approx. Weight KGS |
|---|---|---|---|---|---|---|---|---|---|---|
| 1/2 | 4.75 | 0.88 | 1.50 | 1.25 | 0.88 | 3.25 | 4 | 0.88 | - | - |
| 3/4 | 5.12 | 1.00 | 1.75 | 1.38 | 1.09 | 3.50 | 4 | 0.88 | - | - |
| 1 | 5.88 | 1.12 | 2.06 | 1.62 | 1.36 | 4.00 | 4 | 1.00 | - | - |
| 1-1/4 | 6.25 | 1.12 | 2.50 | 1.62 | 1.70 | 4.38 | 4 | 1.00 | - | - |
| 1-1/2 | 7.00 | 1.25 | 2.75 | 1.75 | 1.95 | 4.88 | 4 | 1.13 | - | - |
| 2 | 8.50 | 1.50 | 4.12 | 2.25 | 2.44 | 6.50 | 8 | 1.00 | - | - |
| 2-1/2 | 9.62 | 1.62 | 4.88 | 2.50 | 2.94 | 7.50 | 8 | 1.13 | - | - |
| 3 | 9.50 | 1.50 | 5.00 | 2.12 | 3.57 | 7.50 | 8 | 1.00 | - | - |
| 4 | 11.50 | 1.75 | 6.25 | 2.75 | 4.57 | 9.25 | 8 | 1.25 | - | - |
| 5 | 13.75 | 2.00 | 7.50 | 3.12 | 5.66 | 11.00 | 8 | 1.38 | - | - |
| 6 | 15.00 | 2.19 | 9.25 | 3.38 | 6.72 | 12.50 | 12 | 1.25 | - | - |
| 8 | 18.50 | 2.50 | 11.75 | 4.00 | 8.72 | 15.50 | 12 | 1.50 | - | - |
| 10 | 21.50 | 2.75 | 14.50 | 4.25 | 10.88 | 15.50 | 12 | 1.50 | - | - |
| 12 | 24.00 | 3.12 | 16.50 | 4.62 | 12.88 | 18.50 | 16 | 1.50 | - | - |
| 14 | 25.25 | 3.38 | 17.75 | 5.12 | 14.14 | 22.00 | 20 | 1.63 | - | - |
| 16 | 27.75 | 3.50 | 20.00 | 5.25 | 16.16 | 24.25 | 20 | 1.75 | - | - |
| 18 | 31.00 | 4.00 | 22.25 | 6.00 | 18.18 | 27.00 | 20 | 2.00 | - | - |
| 20 | 33.75 | 4.25 | 24.50 | 6.25 | 20.20 | 29.50 | 20 | 2.13 | - | - |
| 24 | 41.00 | 5.50 | 29.50 | 8.00 | 24.25 | 35.50 | 20 | 2.63 | - | - |
| NPS |
Flange OD (O) |
Thickness (T) |
Hub Diameter (X) |
Hub Length (Y) |
Bore (B) |
Bolt Circle Dia. |
No. of Holes |
Hole Dia. |
Approx. Weight LBS |
Approx. Weight KGS |
|---|---|---|---|---|---|---|---|---|---|---|
| 1/2 | 121 | 22.4 | 38 | 32 | 22.4 | 82.55 | 4 | 22.35 | - | - |
| 3/4 | 130 | 25.4 | 44 | 35 | 27.7 | 88.90 | 4 | 22.35 | - | - |
| 1 | 149 | 28.4 | 52 | 41 | 34.5 | 101.6 | 4 | 25.4 | - | - |
| 1-1/4 | 159 | 28.4 | 64 | 41 | 43.2 | 111.25 | 4 | 25.4 | - | - |
| 1-1/2 | 178 | 31.8 | 70 | 44 | 49.5 | 123.95 | 4 | 28.70 | - | - |
| 2 | 216 | 38.1 | 105 | 57 | 62.0 | 165.1 | 8 | 25.4 | - | - |
| 2-1/2 | 244 | 41.1 | 124 | 64 | 74.7 | 190.5 | 8 | 28.70 | - | - |
| 3 | 241 | 38.1 | 127 | 54 | 90.7 | 190.5 | 8 | 25.4 | - | - |
| 4 | 292 | 44.5 | 159 | 70 | 116.1 | 234.95 | 8 | 31.75 | - | - |
| 5 | 349 | 50.8 | 190 | 79 | 143.8 | 279.4 | 8 | 35.05 | - | - |
| 6 | 381 | 55.6 | 235 | 86 | 170.7 | 317.5 | 12 | 31.75 | - | - |
| 8 | 470 | 63.5 | 298 | 102 | 221.5 | 393.7 | 12 | 38.10 | - | - |
| 10 | 546 | 69.8 | 368 | 108 | 276.4 | 469.9 | 16 | 38.10 | - | - |
| 12 | 610 | 79.2 | 419 | 117 | 327.2 | 533.4 | 20 | 38.10 | - | - |
| 14 | 641 | 85.9 | 451 | 130 | 359.2 | 558.8 | 20 | 41.40 | - | - |
| 16 | 705 | 88.9 | 508 | 133 | 410.5 | 615.95 | 20 | 44.45 | - | - |
| 18 | 787 | 101.6 | 565 | 152 | 461.8 | 685.8 | 20 | 50.8 | - | - |
| 20 | 857 | 108.0 | 622 | 159 | 513.1 | 749.3 | 20 | 54.10 | - | - |
| 24 | 1041 | 139.7 | 749 | 203 | 616.0 | 901.7 | 20 | 66.80 | - | - |
Dimensions are based on ASME B16.5 Class 900 flange requirements. Refer to the applicable standard for complete dimensional requirements.
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