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?
When it rains and as snow melts, runoff carries pollutants such as oil, antifreeze and gas down storm drains, contaminating our rivers, streams and lakes. Don't drip and drive.
Mowing with a dull blade tears grass and stresses the lawn. Always be sure to mow with a sharp mower blade.
Customers experience some of the best reliability in the country with the average household being without power for less than 20 minutes per year – that means service is available 99.99% of the time!