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==== Various Positive Displacement Pumps ==== | ==== Various Positive Displacement Pumps ==== | ||
The positive displacement principle applies in the following types of pumps: | The positive displacement principle applies in the following types of pumps: | ||
* [[Progressive Cavity Pumps]] | |||
* [[Diaphragm Pumps]] | * [[Diaphragm Pumps]] | ||
* [[Screw Pumps]] | * [[Screw Pumps]] |