Air Operated Drum Pump Motor Air Consumption 27 cfm @ 40 psi Air Inlet Type MNPT Air Inlet Size 1/4 in MNPT Air Outlet Size 1 in Max Air Pressure 100 psi Min Air Pressure 40 psi Motor Type Pneumatic Motor HP 1/2 Motor RPM 300 to 11 000 Duty Cycle Continuous Max Head - Pumps 17 ft Max Head Pressure 7.35 @ 1.0sg Max Flow Rate 15 gpm Height Above Container 3 9/16 in Max Operating Temp 212 Degrees F Min Operating Temp 0 Degrees F Power Source Air