This Delavan 5850-111E PowerFLO Electric Diaphragm Pump, which comes in a bypass version with this model, is perfect for low-pressure sprayer operations. Rated with a maximum pressure of 60 PSI and an upper flow limit of 5 GPM, it's fabricated with Viton valves and a Santoprene diaphragm for enhanced protection against corrosion. Choose this pump for industrial, agricultural and commercial uses.