AWWA C151 - Ductile-Iron Pipe Centrifugally Cast - Dimensions
Dimensions of ductile-iron pipes according AWWA C151/A.21.51.

Typical dimensions of ductile-iron pipes according AWWA C151/A.21.51 Ductile-Iron Pipe, Centrifugally Cast.
| Nominal Size (inches) | Outside Diameter (inches) | Pressure Class | ||||
|---|---|---|---|---|---|---|
| 150 | 200 | 250 | 300 | 350 | ||
| Wall Thickness (inches) | ||||||
| 3 | 3.96 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
| 4 | 4.80 | 0.26 | 0.26 | 0.26 | 0.26 | 0.26 |
| 6 | 6.90 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
| 8 | 9.05 | 0.27 | 0.27 | 0.27 | 0.27 | 0.27 |
| 10 | 11.10 | 0.29 | 0.29 | 0.29 | 0.29 | 0.29 |
| 12 | 13.20 | 0.31 | 0.31 | 0.31 | 0.31 | 0.31 |
| 14 | 15.30 | 0.33 | 0.33 | 0.33 | 0.33 | 0.33 |
| 16 | 17.40 | 0.34 | 0.34 | 0.34 | 0.34 | 0.34 |
| 18 | 19.50 | 0.35 | 0.35 | 0.35 | 0.35 | 0.35 |
| 20 | 21.60 | 0.36 | 0.36 | 0.36 | 0.36 | 0.39 |
| 24 | 25.80 | 0.38 | 0.38 | 0.38 | 0.41 | 0.44 |
| 30 | 32.00 | 0.39 | 0.39 | 0.43 | 0.47 | 0.51 |
| 36 | 38.30 | 0.43 | 0.43 | 0.48 | 0.53 | 0.58 |
| 42 | 44.50 | 0.47 | 0.47 | 0.53 | 0.59 | 0.65 |
| 48 | 50.80 | 0.51 | 0.51 | 0.58 | 0.65 | 0.72 |
| 54 | 57.56 | 0.57 | 0.57 | 0.65 | 0.73 | 0.81 |