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Centrifugal pump

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[[Image:centrifugal pump icon.png|right|80px]]

[[Image:centrifugal pump.jpg|thumb|right|200px|General components of a Centrifugal Pump. Photo: [http://www.maintenanceworld.com/articles/engresource/centrifugalpumps.pdf The Chemical Engineers’ Resource Page]]]

[[Image:CentrifugalPump.jpg|thumb|right|200px|Centrifugal pump. <br> Photo: WHO.]]

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The essential components of a centrifugal pump are the fast-rotating impeller and the casing. Water flows into the centre “eye” of the impeller, where centrifugal force pushes the water outwards, to the casing. The kinetic energy of the water is partly converted to useful pressure that forces the water into the delivery pipe. Water leaving the central eye of the impeller creates a suction, which draws water from the source into the pump. An impeller and the matching section of the casing is called a “stage”.

===Acknowledgements===

* Brikke, François, and Bredero, Maarten. [http://www.who.int/water_sanitation_health/hygiene/om/linkingintro.pdf Linking technology choice with operation and maintenance in the context of community water supply and sanitation: A reference document for planners and project staff]. World Health Organization and IRC Water and Sanitation Centre. Geneva, Switzerland 2003.

* [http://artplatformwww.unicefewb-usa.org/washfiles/2015/05/UNICEF_WASH_Technology_web.pdf WASH Technology Information Packages – for UNICEF WASH Programme and Supply Personnel.] UNICEF, 2010.

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