A project requires irrigation valves operating below 5 psi, drawing from a stagnant source 3,400 ft away into a 12-ft tank. Standard valves (e.g., Rain Bird DV-100) need 10+ psi.
These use a small motor to turn a ball valve, operating independently of line pressure. Spears PVC Fitting Company offers 120V models (other voltages available at higher cost). Bermad also makes actuated valves. They are expensive but reliable for near-zero pressure.
A booster pump between the tank and valves allows standard valves. Requires sizing for flow (GPM), head, power source (grid/solar), and automation level. More cost-effective than actuated valves for larger systems.
Provide: required GPM, irrigation type (drip/sprinkler), power availability, and automation needs for specific booster recommendations.
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