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Vergnet Hydro

230 bytes added, 23:50, 20 October 2012
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[[Image:vergnet pump.jpg|thumb|right|250px|This pump is operated by foot pedal while the handle is held for balance. Photo: [http://www.rural-water-supply.net/en/implementation/handpump-overview/vergnet-hydro-hpv60-hpv100 RWSN.]]]
The Hydropump '''HPV60 & HPV 100''' are operated by foot with a pedal. The piston movement is hydraulically transmitted via a flexible hose to a rubber diaphragm down in the pumping element. The expansion and the contraction of the diaphragm deliver the water to the surface. The top cylinder is connected to the pumping element on the bottom, via a flexible hose.
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