Flow in GPM through pipe I.D. in inches
| Preasure P.S.I | 1" | 1 1/4" | 1 1/2" | 2" | 2 1/2" | 3" | 4" |
|---|---|---|---|---|---|---|---|
| 20 | 26 | 47 | 76 | 161 | 290 | 468 | 997 |
| 30 | 32 | 58 | 94 | 200 | 360 | 582 | 1240 |
| 40 | 38 | 68 | 110 | 234 | 421 | 680 | 1449 |
| 50 | 43 | 77 | 124 | 264 | 475 | 767 | 1635 |
| 60 | 47 | 85 | 137 | 291 | 524 | 846 | 1804 |
| 75 | 53 | 95 | 153 | 329 | 591 | 955 | 2035 |
| 100 | 62 | 112 | 180 | 384 | 690 | 1115 | 2377 |
| 125 | 70 | 126 | 203 | 433 | 779 | 1258 | 2681 |
| 150 | 77 | 139 | 224 | 478 | 859 | 1388 | 2958 |
| 200 | 90 | 162 | 262 | 558 | 1004 | 1621 | 3455 |