Maximum Flow Table#
| Pipe Type | Pipe Size | |||||||
|---|---|---|---|---|---|---|---|---|
| 1" | 1 1/4" | 1 1/2" | 2" | 2 1/2" | 3" | 4" | ||
|
Mainline Pipe |
PVC Class 160 | 17 | 29 | 38 | 59 | 86 | 128 | 211 |
| PVC Class 200 | 17 | 28 | 36 | 57 | 83 | 123 | 203 | |
| PVC Sch. 40 | 13 | 23 | 32 | 52 | 75 | 115 | 199 | |
|
Lateral Pipe |
Polyethylene | 20 | 35 | 48 | -- | -- | -- | -- |
| PVC Class 160 | 26 | 43 | >57 | 88 | 130 | 192 | -- | |
| PVC Class 200 | 26 | 41 | 54 | 85 | 124 | 184 | -- | |
| PVC Sch. 40 | 20 | 35 | 48 | 79 | 112 | 173 | -- | |
This chart is intended as an aid for irrigation design.
Did You Know?
Opening curtains and shades during the winter can help the sun warm your home.
Water that goes down storm drains is not treated before it goes back to the Poudre. You can help protect our waterways for future generations.
Turning off lights and appliances when not in use saves energy