Nominal Diameter | Outside Diameter (cm) | Inside Diameter (cm) | Flow area (cm2) |
½ | 2.134 | 1.580 | 1.961 |
¾ | 2.667 | 2.093 | 3.441 |
1 | 3.340 | 2.664 | 5.574 |
1¼ | 4.216 | 3.504 | 9.643 |
1½ | 4.826 | 4.090 | 13.13 |