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