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?
Turning off the faucet while shaving or brushing teeth saves water.
Benchmarking your energy use compared to other similar businesses can help you identify and prioritize future building improvements
After a rain, skipping watering until the grass dries will save not only water, but also money.