(a)All dimensions are in inches.
(b)These flanges will be furnished with a 1/16″ raised face unless otherwise specified. For more alternate flange facings, please click here!
| Nominal Pipe Size | Outside Diameter (O) | Bolt Circle (W) | Raised Face Diameter (R) | Number of Holes | Diameter of Holes | Minimum Thickness (T) | Approximate Weight (lbs) |
|---|---|---|---|---|---|---|---|
| 26 | 30.94 | 29.31 | 28.00 | 36 | 0.88 | 1.75 | 375 |
| 28 | 32.94 | 31.31 | 30.00 | 40 | 0.88 | 1.88 | 455 |
| 30 | 34.94 | 33.31 | 32.00 | 44 | 0.88 | 2.00 | 545 |
| 32 | 37.06 | 35.44 | 34.00 | 48 | 0.88 | 2.12 | 648 |
| 34 | 39.56 | 37.69 | 36.25 | 40 | 1.00 | 2.25 | 782 |
| 36 | 41.62 | 39.75 | 38.25 | 44 | 1.00 | 2.31 | 890 |
| 38 | 44.25 | 42.12 | 40.25 | 40 | 1.12 | 2.50 | 1090 |
| 40 | 46.25 | 44.12 | 42.50 | 44 | 1.12 | 2.62 | 1247 |
| 42 | 48.25 | 46.12 | 44.50 | 48 | 1.12 | 2.69 | 1393 |
| 44 | 50.25 | 48.12 | 46.50 | 52 | 1.12 | 2.81 | 1579 |
| 46 | 52.81 | 50.56 | 48.62 | 40 | 1.25 | 2.94 | 1825 |
| 48 | 54.81 | 52.56 | 50.75 | 44 | 1.25 | 3.06 | 2045 |
| 50 | 56.81 | 54.56 | 52.75 | 48 | 1.25 | 3.18 | 2284 |
| 52 | 58.81 | 56.56 | 54.75 | 52 | 1.25 | 3.31 | 2547 |
| 54 | 61.00 | 58.75 | 56.75 | 56 | 1.25 | 3.44 | 2848 |
| 56 | 63.00 | 60.75 | 58.75 | 60 | 1.25 | 3.56 | 3145 |
| 58 | 65.94 | 63.44 | 60.75 | 48 | 1.38 | 3.68 | 3560 |
| 60 | 67.94 | 65.44 | 63.00 | 52 | 1.38 | 3.81 | 3913 |