| NPS |
Flange OD (O) |
Thickness (T) |
Raised Face Diameter (R) |
Point Fillet Radius (r) |
Bolt Circle Dia. |
No. of Holes |
Diameter of Bolt Hole |
Hole Dia. |
|---|---|---|---|---|---|---|---|---|
| 26 | 35.00 | 4.38 | 28.62 | 0.50 | 31.75 | 28 | 1-3/4 | 1-5/8 |
| 28 | 37.50 | 4.56 | 30.88 | 0.50 | 34.00 | 28 | 1-7/8 | 1-3/4 |
| 30 | 40.25 | 5.00 | 33.12 | 0.50 | 36.50 | 28 | 2 | 1-7/8 |
| 32 | 42.75 | 5.31 | 35.25 | 0.50 | 38.75 | 28 | 2-1/8 | 2 |
| 34 | 45.75 | 5.68 | 37.50 | 0.56 | 41.50 | 24 | 2-3/8 | 2-1/4 |
| 36 | 47.75 | 5.94 | 39.75 | 0.56 | 43.50 | 28 | 2-3/8 | 2-1/4 |
| 38 | 50.00 | 6.12 | 41.50 | 0.56 | 45.75 | 28 | 2-3/8 | 2-1/4 |
| 40 | 52.00 | 6.38 | 43.75 | 0.56 | 47.75 | 32 | 2-3/8 | 2-1/4 |
| 42 | 55.25 | 6.75 | 46.00 | 0.56 | 50.50 | 28 | 2-5/8 | 2-1/2 |
| 44 | 57.25 | 7.00 | 48.25 | 0.56 | 52.50 | 32 | 2-5/8 | 2-1/2 |
| 46 | 59.50 | 7.31 | 50.25 | 0.56 | 54.75 | 32 | 2-5/8 | 2-1/2 |
| 48 | 62.75 | 7.69 | 52.50 | 0.56 | 57.50 | 32 | 2-7/8 | 2-3/4 |
| 50 | 65.75 | 8.00 | 54.50 | 0.56 | 60.00 | 28 | 3-1/8 | 3 |
| 52 | 67.75 | 8.25 | 56.50 | 0.56 | 62.00 | 32 | 3-1/8 | 3 |
| 54 | 70.00 | 8.56 | 58.75 | 0.56 | 64.25 | 32 | 3-1/8 | 3 |
| 56 | 73.00 | 8.88 | 60.75 | 0.62 | 66.75 | 32 | 3-3/8 | 3-1/4 |
| 58 | 75.00 | 9.12 | 63.00 | 0.62 | 68.75 | 32 | 3-3/8 | 3-1/4 |
| 60 | 78.50 | 9.56 | 65.25 | 0.69 | 71.75 | 28 | 3-5/8 | 3-1/2 |
| NPS |
Flange OD (O) |
Thickness (T) |
Raised Face Diameter (R) |
Point Fillet Radius (r) |
Bolt Circle Dia. |
No. of Holes |
Diameter of Bolt Hole (Inch) |
Diameter of Bolt (Inch) |
|---|---|---|---|---|---|---|---|---|
| 26 | 889 | 111.3 | 727 | 13 | 806.4 | 28 | 1-3/4 | 1-5/8 |
| 28 | 952 | 115.8 | 784 | 13 | 863.6 | 28 | 1-7/8 | 1-3/4 |
| 30 | 1022 | 127.0 | 841 | 13 | 927.1 | 28 | 2 | 1-7/8 |
| 32 | 1086 | 134.9 | 895 | 13 | 984.2 | 28 | 2-1/8 | 2 |
| 34 | 1162 | 144.3 | 952 | 14 | 1054.1 | 24 | 2-3/8 | 2-1/4 |
| 36 | 1213 | 150.9 | 1010 | 14 | 1104.9 | 28 | 2-3/8 | 2-1/4 |
| 38 | 1270 | 155.4 | 1054 | 14 | 1162.0 | 28 | 2-3/8 | 2-1/4 |
| 40 | 1321 | 162.1 | 1111 | 14 | 1212.8 | 32 | 2-3/8 | 2-1/4 |
| 42 | 1403 | 171.4 | 1168 | 14 | 1282.7 | 28 | 2-5/8 | 2-1/2 |
| 44 | 1454 | 177.8 | 1226 | 14 | 1333.5 | 32 | 2-5/8 | 2-1/2 |
| 46 | 1511 | 185.7 | 1276 | 14 | 1390.6 | 32 | 2-5/8 | 2-1/2 |
| 48 | 1594 | 195.3 | 1334 | 14 | 1460.5 | 32 | 2-7/8 | 2-3/4 |
| 50 | 1670 | 203.2 | 1384 | 14 | 1524.0 | 28 | 3-1/8 | 3 |
| 52 | 1721 | 209.6 | 1435 | 14 | 1574.8 | 32 | 3-1/8 | 3 |
| 54 | 1778 | 217.4 | 1492 | 14 | 1632.0 | 32 | 3-1/8 | 3 |
| 56 | 1854 | 225.6 | 1543 | 16 | 1695.4 | 32 | 3-3/8 | 3-1/4 |
| 58 | 1905 | 231.6 | 1600 | 16 | 1746.2 | 32 | 3-3/8 | 3-1/4 |
| 60 | 1994 | 242.8 | 1657 | 17 | 1822.4 | 28 | 3-5/8 | 3-1/2 |
Dimensions are based on ASME B16.47 Series B Class 600 flange requirements. Refer to the applicable standard for complete dimensional requirements.
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