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Canzee pump

76 bytes added, 21:15, 6 November 2012
Construction, operations and maintenance
==Construction, operations and maintenance==
[[Image:Canzee.png|thumb|right|250px|Principle of the Canzee pump.Drawing: [http://www.wellsforzoe.org/wordpress/the-zoe-pump/ Wells for Zoe]]]
The pump consists of two PVC pipes of different diameter, one inside the other. At the bottom of each pipe is a non-return valve made with a rubber flap which allows water to enter the bottom of the pipe, but not out again.
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