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Sample of general system pressure requirements for common harvest and use applications

 

Sample of general system pressure requirements for common harvest and use applications.
End use Pressure (head-feet) Pressure (pounds per square inch)1 Reference
Drip system irrigation, lower range 35 15 ARCSA, Table 13.2
Drip system irrigation, higher range 58 25 ARCSA, Table 13.2
Garden hose nozzle irrigation 81 35 ARCSA, Table 13.2
Pressure washer   1300-3300 Greenworks
Toilets 34-46 20-80 (max) Kohler
Dishwashers 46-51 20-120 GE Appliances
1 Pressure(psi) = 0.433(Head-ft)(SG), where SG = the specific gravity of the fluid being pumped. For water at ambient temperature SG ≈ 1.0).