The Working Principle Of A Diaphragm Pump A double diaphragm is a positive displacement pump which utilises two flexible diaphragms that reciprocate back and forth, creating a temporary chamber, which both draws in and expels fluid through the pump.
What is motor driven pump?
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Does a diaphragm pump have a motor?
A pair of non-return check valves prevent reverse flow of the fluid. Those employing volumetric positive displacement where the prime mover of the diaphragm is electro-mechanical, working through a crank or geared motor drive, or purely mechanical, such as with a lever or handle.