Air Operated Drum Pump Pump Package Type Basic Pump without Discharge Hose Air Inlet Size 1/4 in FNPT For Container Size 55 gal 275 gal 330 gal For Container Type Drum Tote Air Consumption 10 cfm Max Flow Rate 6 gpm Max Oil Flow 6 gpm Discharge Connection Type NPT Discharge Tube Outlet ID 1/2 in Min Air Pressure 40 psi Max Air Pressure 200 psi Ratio 5 1 Max Outlet Pressure 1 000 psi Min Fluid Temp 30 Degrees F Max Fluid Temp 120 Degrees F Seal Material Buna-N