(a)All dimensions are in inches.
(b)These flanges will be furnished with a 1/4″ 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 | Bore (B) | Point of Weld (A) | Hub Diameter (X) | Thickness (T) | Length Thru Hub (Y) | Approximate Weight (lbs) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/2 | 4.75 | 3.25 | 1.38 | 4 | 0.88 | Specified by purchaser | 0.84 | 1.50 | 0.88 | 2.38 | 5 |
| 3/4 | 5.12 | 3.50 | 1.69 | 4 | 0.88 | Specified by purchaser | 1.05 | 1.75 | 1.00 | 2.75 | 6 |
| 1 | 5.88 | 4.00 | 2.00 | 4 | 1.00 | Specified by purchaser | 1.32 | 2.06 | 1.12 | 2.88 | 9 |
| 1 1/4 | 6.25 | 4.38 | 2.50 | 4 | 1.00 | Specified by purchaser | 1.66 | 2.50 | 1.12 | 2.88 | 10 |
| 1 1/2 | 7.00 | 4.88 | 2.88 | 4 | 1.13 | Specified by purchaser | 1.90 | 2.75 | 1.25 | 3.25 | 13 |
| 2 | 8.50 | 6.50 | 3.62 | 8 | 1.00 | Specified by purchaser | 2.38 | 4.12 | 1.50 | 4.00 | 25 |
| 2 1/2 | 9.62 | 7.50 | 4.12 | 8 | 1.13 | Specified by purchaser | 2.88 | 4.88 | 1.62 | 4.12 | 36 |
| 3 | 9.50 | 7.50 | 5.00 | 8 | 1.00 | Specified by purchaser | 3.50 | 5.00 | 1.50 | 4.00 | 31 |
| 4 | 11.50 | 9.25 | 6.19 | 8 | 1.25 | Specified by purchaser | 4.50 | 6.25 | 1.75 | 4.50 | 53 |
| 5 | 13.75 | 11.00 | 7.31 | 8 | 1.38 | Specified by purchaser | 5.56 | 7.50 | 2.00 | 5.00 | 86 |
| 6 | 15.00 | 12.50 | 8.50 | 12 | 1.25 | Specified by purchaser | 6.63 | 9.25 | 2.19 | 5.50 | 110 |
| 8 | 18.50 | 15.50 | 10.62 | 12 | 1.50 | Specified by purchaser | 8.63 | 11.75 | 2.50 | 6.38 | 175 |
| 10 | 21.50 | 18.50 | 12.75 | 16 | 1.50 | Specified by purchaser | 10.75 | 14.50 | 2.75 | 7.25 | 260 |
| 12 | 24.00 | 21.00 | 15.00 | 20 | 1.50 | Specified by purchaser | 12.75 | 16.50 | 3.12 | 7.88 | 325 |
| 14 | 25.25 | 22.00 | 16.25 | 20 | 1.63 | Specified by purchaser | 14.00 | 17.75 | 3.38 | 8.38 | 400 |
| 16 | 27.75 | 24.25 | 18.50 | 20 | 1.75 | Specified by purchaser | 16.00 | 20.00 | 3.50 | 8.50 | 495 |
| 18 | 31.00 | 27.00 | 21.00 | 20 | 2.00 | Specified by purchaser | 18.00 | 22.25 | 4.00 | 9.00 | 680 |
| 20 | 33.75 | 29.50 | 23.00 | 20 | 2.13 | Specified by purchaser | 20.00 | 24.50 | 4.25 | 9.75 | 830 |
| 24 | 41.00 | 35.50 | 27.25 | 20 | 2.63 | Specified by purchaser | 24.00 | 29.50 | 5.50 | 11.50 | 1500 |