| NPS |
Flange OD (O) |
Thickness (T) |
Hub Diameter (X) |
Hub Length (Y) |
Thread Length (T) |
Min Counterbore Threaded (Q) |
Bolt Circle Dia. |
No. of Holes |
Hole Dia. |
Approx. Weight LBS |
Approx. Weight KGS |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/2 | 3.75 | 0.56 | 1.50 | 0.88 | 0.62 | 0.93 | 3.50 | 4 | 0.75 | - | - |
| 3/4 | 4.62 | 0.62 | 1.88 | 1.00 | 0.62 | 1.14 | 3.25 | 4 | 0.75 | - | - |
| 1 | 4.88 | 0.69 | 2.12 | 1.06 | 0.69 | 1.41 | 3.50 | 4 | 0.75 | - | - |
| 1-1/4 | 5.25 | 0.81 | 2.50 | 1.12 | 0.81 | 1.75 | 3.88 | 4 | 0.75 | - | - |
| 1-1/2 | 6.12 | 0.88 | 2.75 | 1.25 | 0.88 | 1.99 | 4.50 | 4 | 0.88 | - | - |
| 2 | 6.50 | 1.00 | 3.31 | 1.44 | 1.12 | 2.50 | 5.00 | 8 | 0.75 | - | - |
| 2-1/2 | 7.50 | 1.12 | 3.94 | 1.62 | 1.25 | 3.00 | 5.88 | 8 | 0.88 | - | - |
| 3 | 8.25 | 1.25 | 4.62 | 1.81 | 1.38 | 3.63 | 6.63 | 8 | 0.88 | - | - |
| 3-1/2 | 9.00 | 1.38 | 5.25 | 1.94 | 1.56 | 4.13 | 7.25 | 8 | 1.00 | - | - |
| 4 | 10.00 | 1.38 | 5.75 | 2.00 | 1.44 | 4.63 | 7.88 | 8 | 1.00 | - | - |
| 5 | 11.00 | 1.50 | 7.00 | 2.12 | 1.69 | 5.69 | 9.25 | 8 | 1.00 | - | - |
| 6 | 12.50 | 1.62 | 8.12 | 2.25 | 1.81 | 6.75 | 10.63 | 12 | 1.00 | - | - |
| 8 | 15.00 | 1.88 | 10.25 | 2.69 | 2.00 | 8.75 | 13.00 | 12 | 1.13 | - | - |
| 10 | 17.50 | 2.12 | 12.62 | 2.88 | 2.19 | 10.88 | 15.25 | 16 | 1.25 | - | - |
| 12 | 20.50 | 2.25 | 14.75 | 3.12 | 2.38 | 12.94 | 17.75 | 16 | 1.38 | - | - |
| 14 | 23.00 | 2.38 | 16.75 | 3.31 | 2.50 | 14.19 | 20.25 | 20 | 1.38 | - | - |
| 16 | 25.50 | 2.50 | 19.00 | 3.69 | 2.69 | 16.19 | 22.50 | 20 | 1.50 | - | - |
| 18 | 28.00 | 2.62 | 21.00 | 3.88 | 2.75 | 18.19 | 24.75 | 24 | 1.50 | - | - |
| 20 | 30.50 | 2.75 | 23.12 | 4.00 | 2.88 | 20.19 | 27.00 | 24 | 1.63 | - | - |
| 22 | 33.00 | 2.88 | 25.25 | 4.25 | ... | ... | 29.25 | 24 | 1.75 | - | - |
| 24 | 36 | 3.00 | 27.62 | 4.50 | 3.25 | 24.19 | 32.00 | 24 | 1.88 | - | - |
| NPS |
Flange OD (O) |
Thickness (T) |
Hub Diameter (X) |
Hub Length (Y) |
Thread Length (T) |
Min Counterbore Threaded (Q) |
Bolt Circle Dia. |
No. of Holes |
Hole Dia. |
Approx. Weight LBS |
Approx. Weight KGS |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/2 | 95 | 14.2 | 38 | 22 | 16 | 23.6 | 66.80 | 4 | 16.00 | - | - |
| 3/4 | 117 | 15.7 | 48 | 25 | 16 | 29.0 | 82.55 | 4 | 19.05 | - | - |
| 1 | 124 | 17.5 | 54 | 27 | 18 | 35.8 | 88.90 | 4 | 19.05 | - | - |
| 1-1/4 | 133 | 20.6 | 64 | 28 | 21 | 44.4 | 98.55 | 4 | 19.05 | - | - |
| 1-1/2 | 155 | 22.4 | 70 | 32 | 22 | 50.5 | 114.30 | 4 | 22.35 | - | - |
| 2 | 165 | 25.4 | 84 | 37 | 28 | 63.5 | 127.00 | 8 | 19.05 | - | - |
| 2-1/2 | 190 | 28.4 | 100 | 41 | 32 | 76.2 | 149.35 | 8 | 22.35 | - | - |
| 3 | 210 | 31.8 | 117 | 46 | 35 | 92.2 | 168.40 | 8 | 22.35 | - | - |
| 3-1/2 | 229 | 35.1 | 133 | 49 | 40 | 104.9 | 184.15 | 8 | 22.35 | - | - |
| 4 | 254 | 35.1 | 146 | 51 | 37 | 117.6 | 200.15 | 8 | 22.35 | - | - |
| 5 | 279 | 38.1 | 178 | 54 | 43 | 144.5 | 234.95 | 8 | 22.35 | - | - |
| 6 | 318 | 41.1 | 206 | 57 | 46 | 171.4 | 270.00 | 12 | 22.35 | - | - |
| 8 | 381 | 47.8 | 260 | 68 | 51 | 222.2 | 330.20 | 12 | 25.40 | - | - |
| 10 | 444 | 53.8 | 321 | 73 | 56 | 276.4 | 387.35 | 16 | 28.70 | - | - |
| 12 | 521 | 57.2 | 375 | 79 | 60 | 328.7 | 450.85 | 16 | 31.75 | - | - |
| 14 | 584 | 60.5 | 425 | 84 | 64 | 360.4 | 514.35 | 20 | 31.75 | - | - |
| 16 | 648 | 63.5 | 483 | 94 | 68 | 411.2 | 571.5 | 20 | 35.05 | - | - |
| 18 | 711 | 66.5 | 533 | 99 | 70 | 462.0 | 628.65 | 20 | 35.05 | - | - |
| 20 | 775 | 69.8 | 587 | 102 | 73 | 512.8 | 685.80 | 24 | 35.05 | - | - |
| 22 | 838 | 73.2 | 641 | 108 | ... | ... | 742.95 | 24 | 41.40 | - | - |
| 24 | 914 | 76.2 | 702 | 114 | 83 | 614.4 | 812.80 | 24 | 41.40 | - | - |
Dimensions are based on ASME B16.5 Class 400 flange requirements. Refer to the applicable standard for complete dimensional requirements.
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