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U3M pump

82 bytes added, 19:37, 20 October 2012
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[[Image:U3M pump.jpg|thumb|right|250px|U3M pump. Photo: [http://www.rural-water-supply.net/en/implementation/handpump-overview/u3m-pump RWSN.]]]
The U3M Pump is a conventional lever action handpump developed in Uganda. The "M" stands for modified, so the U3 pump has been modified in the U3M version. It is designed for heavy-duty use, serving communities of up to 300 persons. The maximum recommended lift is 45 m.
The configuration includes an “open top” cylinder; the piston can be removed from the cylinder without dismantling the rising main. The footvalve is retractable with a fishing tool. The pump head has similar configurations as the INDIA Mark III Pump and the “down hole components” are similar to the Afridev components. The cylinder follows the Afridev Pump configuration. The plunger uses the 50 mm open top India MK III brass design.
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