Centrifugal Pump Head, HP 5 hp, Compatible Power Source Gasoline, Pump Mechanism Centrifugal, Volute Material Cast Iron, Seal Material Carbon Ceramic, Frame Material Cast Iron, Flow Rate @ 10 Ft. of Head 150 gpm, Flow Rate @ 20 Ft. of Head 147 gpm, Flow Rate @ 40 Ft. of Head 115 gpm, Flow Rate @ 60 Ft. of Head 80 gpm, Flow Rate @ 80 Ft. of Head 40 gpm, Max. Head 50 ft, Maximum Self-Priming Lift 12 ft, Impeller Design Open, Maximum Discharge Pressure 45 psi, Max. Diameter Solids Clear Water