Name：Sprague air-driven pump
How to workThe Sprague Products pump develops high output pressures by applying the principle of differential areas. The pump has a large area air piston, air driven at low pressures. This air piston drives a small area liquid piston that in turn pumps liquids at high pressures.
The liquid output pressure is determined by the ratio between the area of the air drive piston, the area of the liquid driven piston and the applied operating air pressure.
A variety of hydraulic pumps is offered for various liquid output pressure up to 33,500 psi (2311 bar). Sprague Products pumps service water, oil and most corrosive chemicals, and are rugged, service-proven and virtually maintenance-free.
The Sprague Products pump is efficient in operation and simple in design. Compared to other types of hydraulic pumps, it provides cost effective and energy saving benefits for many industrial and research applications.
Unlike motor driven pumps, Sprague Products air driven pumps are non-arcing and non-sparking, and can be used safely in hazardous or confined areas.
Application
The Sprague Products air driven pump offers economical advantages for the pressure testing of hoses, pipes, valves, fittings and other hydraulic vessels and products. The timesaving
and performance advantages offered by these pumps allow routine production testing to be converted from tedious hand-pump methods to automatic and precision testing methods.
