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Handpumps

51 bytes added, 01:53, 2 November 2012
Rotary handpumps
====Rotary handpumps====
The most commonly used rotary handpumps are the [[rope pump]] and the progressive cavity pump(very difficult for local technicians to maintain). Note that although some reciprocating pumps use a circular action mechanism to drive the pistons, they are not categorized as rotary.
====Diaphragm pumps====
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