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India Mark 2 and 3

No change in size, 00:03, 23 October 2012
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[[Image:India Mark ll.jpg|thumb|right|250px|The India Mark ll pump. Photo: [http://www.rwsn.ch/prarticle.2005-10-25.9856177177/prarticle.2005-10-26.2582788867/prarticle.2008-12-04.2105225472/prarticle.2009-02-09.3416702894 RWSN.]]]
[[Image:India Mark ll tools.jpg|thumb|right|250px|The India Mark ll pump toolkit. Photo: [http://www.clean-water-for-laymen.com/water-hand-pumps.html A Layman's Guide to Clean Water.]]]
====India Mark ll pump====
==Construction, operations and maintenance==
[[Image:India Mark ll tools.jpg|thumb|right|250px|The India Mark ll pump toolkit. Photo: [http://www.clean-water-for-laymen.com/water-hand-pumps.html A Layman's Guide to Clean Water.]]]
====India Mark ll====
The Mark II is a closed-cylinder pump. The cylinder brass-lined cast iron with the foot valve and piston assemblies made of brass. The piston seals are double nitrile rubber cup seals. The top and bottom of the piston cylinder are “capped” with threaded reducers. The diameter of the pump cylinder is larger than the diameter of the riser main to which it is attached.
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