Flow Rate of up to 1.3 Gallons per 20 Turns or Up to 10 GPM with a turn of the Crank Rotary action to pump various liquids supported with power of double diaphragm air pressure system Applications: Gasoline, kerosene, oil, diesel, hydraulic fluid, lubricating oil, antifreeze (ethylene glycol), ethylene glycol, other non-corrosive liquids Made of industrial strength Galvanised-iron body with precisely machined iron vanes