Irrigation Professionals with questions about ... - Hunter Industries

Step 2Step 3Step 4Step 5Step 6Sprinkler A: 6 GPMSprinkler B: 6 GPMSprinkler C: 6 GPMSprinkler D: 6 GPMSprinkler E: 6 GPMTotal A/B/C/D/E: 30 GPM1-1/2 in.1.66 PSI loss1.65100= 0.0165 psi loss per ft.0.0165 PSI loss x 50 ft. = 0.830.83 PSI loss in the pipe between Sprinkler E and the ValveIf the zone you have designed has more heads and lengths of pipe, simplycontinue this process back to the automatic control valve.We have completed our calculations for the friction losses in the lateralline pipe back to the valve in the example on page 116, so we will nowbegin calculating the main line pipe losses.