| NPS |
Flange OD (O) |
Thickness (T) |
Bolt Circle Dia. |
No. of Holes |
Hole Dia. |
Approx. Weight LBS |
Approx. Weight KGS |
|---|---|---|---|---|---|---|---|
| 1/2 | 3.75 | 0,56 | 2.63 | 4 | 0.63 | - | - |
| 3/4 | 4.62 | 0.62 | 3.25 | 4 | 0.75 | - | - |
| 1 | 4.88 | 0.69 | 3.50 | 4 | 0.75 | - | - |
| 1-1/4 | 5.25 | 0.81 | 3.88 | 4 | 0.75 | - | - |
| 1-1/2 | 6.12 | 0.88 | 4.50 | 4 | 0.88 | - | - |
| 2 | 6.50 | 1.00 | 5.00 | 8 | 0.75 | - | - |
| 2-1/2 | 7.50 | 1.12 | 5.88 | 8 | 0.88 | - | - |
| 3 | 8.25 | 1.25 | 6.63 | 8 | 0.88 | - | - |
| 3-1/2 | 9.00 | 1.38 | 7.25 | 8 | 1.00 | - | - |
| 4 | 10.00 | 1.38 | 7.88 | 8 | 1.00 | - | - |
| 5 | 11.00 | 1.50 | 9.25 | 8 | 1.00 | - | - |
| 6 | 12.50 | 1.62 | 10.63 | 12 | 1.00 | - | - |
| 8 | 15.00 | 1.88 | 13.00 | 12 | 1.13 | - | - |
| 10 | 17.50 | 2.12 | 15.25 | 16 | 1.25 | - | - |
| 12 | 20.50 | 2.25 | 17.75 | 16 | 1.38 | - | - |
| 14 | 23.00 | 2.38 | 20.25 | 20 | 1.38 | - | - |
| 16 | 25.50 | 2.50 | 22.50 | 20 | 1.50 | - | - |
| 18 | 28.00 | 2.62 | 24.75 | 24 | 1.50 | - | - |
| 20 | 30.50 | 2.75 | 27.00 | 24 | 1.63 | - | - |
| 22 | 33.00 | 2.88 | 29.25 | 24 | 1.75 | - | - |
| 24 | 36.00 | 3.00 | 32.00 | 24 | 1.88 | - | - |
| NPS |
Flange OD (O) |
Thickness (T) |
Bolt Circle Dia. |
No. of Holes |
Hole Dia. |
Approx. Weight LBS |
Approx. Weight KGS |
|---|---|---|---|---|---|---|---|
| 1/2 | 95 | 14.2 | 66.80 | 4 | 16.00 | - | - |
| 3/4 | 117 | 15.7 | 82.55 | 4 | 19.05 | - | - |
| 1 | 124 | 17.5 | 88.90 | 4 | 19.05 | - | - |
| 1-1/4 | 133 | 20.6 | 98.55 | 4 | 19.05 | - | - |
| 1-1/2 | 155 | 22.4 | 114.30 | 4 | 22.35 | - | - |
| 2 | 165 | 25.4 | 127.00 | 8 | 19.05 | - | - |
| 2-1/2 | 190 | 28.4 | 149.35 | 8 | 22.35 | - | - |
| 3 | 210 | 31.8 | 168.40 | 8 | 22.35 | - | - |
| 3-1/2 | 229 | 35.1 | 184.15 | 8 | 22.35 | - | - |
| 4 | 254 | 35.1 | 200.15 | 8 | 22.35 | - | - |
| 5 | 279 | 38.1 | 234.95 | 8 | 22.35 | - | - |
| 6 | 318 | 41.1 | 270.00 | 12 | 22.35 | - | - |
| 8 | 381 | 47.8 | 330.20 | 12 | 25.40 | - | - |
| 10 | 444 | 53.8 | 387.35 | 16 | 28.70 | - | - |
| 12 | 521 | 57.2 | 450.85 | 16 | 31.75 | - | - |
| 14 | 584 | 60.5 | 514.35 | 20 | 31.75 | - | - |
| 16 | 648 | 63.5 | 571.5 | 20 | 35.05 | - | - |
| 18 | 711 | 66.5 | 628.65 | 20 | 35.05 | - | - |
| 20 | 775 | 69.8 | 685.80 | 24 | 35.05 | - | - |
| 22 | 838 | 73.2 | 742.95 | 24 | 41.40 | - | - |
| 24 | 914 | 76.2 | 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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