Turbine Pump, Phase Three, Pump Housing Material Cast Iron, Motor Enclosure Totally Enclosed Fan Cooled, Horsepower 3 hp, Nameplate Voltage 230/460V AC, Shut Off Pressure (Maximum) 120 psi, Maximum Flow Rate 18.4 gpm, Flow Rate @ 10 psi 18.4 gpm, Flow Rate @ 20 psi 17.8 gpm, Flow Rate @ 30 psi 17.2 gpm, Compatible Intake Pipe Size 1 1/4 in, Compatible Discharge Pipe Size 1 in, Discharge Type NPT, Motor Type 3-Phase, Best Efficiency Head 80 ft, Case Pressure (Maximum) 200 psi WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov - Nickel (Metallic)