Booster Pump Phase Three Pump Housing Material Cast Iron Motor Enclosure Open Dripproof Horsepower 2 hp Nameplate Voltage 208-230/460V AC Flow Rate @ 20 psi 34 gpm Flow Rate @ 30 psi 32.5 gpm Flow Rate @ 40 psi 31.5 gpm Flow Rate @ 50 psi 31 gpm Flow Rate @ 60 psi 29.5 gpm Flow Rate @ 70 psi 27.5 gpm Flow Rate @ 80 psi 26.8 gpm Flow Rate @ 90 psi 25 gpm Flow Rate @ 100 psi 24.2 gpm Flow Rate @ 120 psi 20.3 gpm Shut Off Pressure (Maximum) 150 psi Compatible Intake Pipe Size 1 in