Delavan 7800 Series Diaphragm Pump 12V, 60 PSI, 2.0 GPM, Deman Pump Delavan 7800 Series Diaphragm Pump - 7812-201 Max. Flow: 2.0 gpm ; Max. Pressure: 60 psi ; Max. Current: 5.7 Amps ; Max. Fluid Temperature: 140 F Port Sizes: 3/8" female NPT inlet and outlet 12 volt DC motor Polypropylene housing, Viton valves, Santoprene diaphragm