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Diaphragm pump

A diaphragm pump uses a combination of the reciprocating action of a rubber diaphragm and suitable non-return valves to pump a fluid.

There are two main types of diaphragm pump:


Diaphragm pumps are low lift, low head pumps with low flow rates. They can handle sludges and slurrys with a moderate amount of grit and solid content. Excessive solids cause blockages.