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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?

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