Heavy duty oil pump designed to transfer bulk oils, hydraulic oils, used oil etc. Air cooled motor with thermal protection Non corroding aluminium die cast pump body Sintered powder metal gears Self priming, positive displacement design High horsepower to flow ratio assures adequate power to pump viscous fluids at low temperatures Pump has an internal bypass valve to bypass flow, if the discharge pressure exceeds the bypass valve setting Built-in 2" bung adaptor for mounting on drums/tanks Can be used to transfer used oil with a screen fitted onto the suction tube