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.
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