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India Mark 2 and 3

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{{Language-box|english_link=India Mark 2 and 3 | french_link= Coming soon | spanish_link= Coming soon | hindi_link= Coming soon | malayalam_link= Coming soon | tamil_link= Coming soon | swahili_link=coming soon | korean_link= Coming soon | chinese_link=印度2型和3型水泵 | indonesian_link= Coming soon | japanese_link= Coming soon }} [[Image:lever action icon.png|right|100px80px]][[Image:India Mark ll.jpg|thumb|right|250px200px|The India Mark ll pump. Photo: [http://www.rwsn.ch/prarticle.2005rural-10water-25supply.9856177177net/prarticle.2005-10-26.2582788867en/implementation/prarticle.2008public-12domain-04.2105225472handpumps/prarticle.2009india-02mark-09.3416702894 ii RWSN.]]][[Image:India Mark lll.jpg|thumb|right|250px200px|The India Mark lll pump. Photo: [http://www.rural-water-supply.net/en/implementation/handpumppublic-domain-overviewhandpumps/india-mark-iii RWSN.]]]__NOTOC__The India Mark II and III pumps are considered to be medium pumps, accessing water at a maximum of 50m and 30m, respectively. However, the India Mark II Extra Deep pump can go up to 80 meters, so is considered to be a deep pump. They are all listed here, as they have similar design and maintenance needs. 
====India Mark ll pump====
The India Mark II Pump is a robust conventional lever action handpump and is subject to Indian Standard IS 9301. It is designed for heavy-duty use, serving communities of 300 persons. The maximum recommended lift is 50 m. The India Mark II is a public domain pump defined by Indian Standards and RWSN specifications. This pump has a pump head, pump stand and a handle of galvanised steel. This pump is not corrosion resistant and should not be used in areas with aggressive water ( pH value < 6.5).
The India Mark III Pump is a public domain pump defined by Indian Standards and RWSN specifications. This pump requires special skills for installation and has good potential for community based maintenance.
===Suitable conditions===
India Mark ll distribution: Very popular in Africa and India.<br>
India Mark ll, Extra Deep distribution: India and in Africa.<br>
[[Image:India-Mark-chart.jpg|none|800px]]
===Construction, operations and maintenance===[[Image:India Mark ll tools.jpg|thumb|right|250px200px|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 down hole components exist of a brass lined cast iron cylinder with a footvalve and a plunger of brass. The plunger has a double nitrile rubber cup seal, the rising main is a Ø32 mm GI pipe and the pump rods are of galvanised steel with threaded connectors. 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.
This pump has an improved "Community Management Potential” compared to the India Mark II, because the “open top cylinder” makes simpler maintenance possible with less tools involved.
===Field experiences===<br>{|style="border: 2px solid #e0e0e0; width: 20%; text-align: justify; background-color: #e9f5fd;" cellpadding="2"<!--rsr logo here-->|- style="vertical-align: top"|[[Image:akvorsr logo_lite.png|center|60px|link=http://akvo.org/products/rsr/]]<!--project blocks here-->|- style="vertical-align: bottom"|[[Image:project 1349.jpg |thumb|center|140px|<font size="2"><center>[http://rsr.akvo.org/project/1349/ RSR Project 1349]<br> Safe water for Wajir</center></font>|link=http://rsr.akvo.org/project/1349/ ]] |} <br> ===Manuals, videos, and links===
* Do it yourself India Mark ll maintenance: [http://www.clean-water-for-laymen.com/support-files/idrcindiamarkii.pdf IDRC India Mark II Manual.] International Development Research Centre (IDRC).
* Wikipedia article on the [http://en.wikipedia.org/wiki/India_Mark_II#cite_note-0 India Mark II] pump.
===Acknowledgements===* [http://www.rural-water-supply.net/en/implementationresources/handpump-overviewdetails/india-mark-ii 603 India Mark II PumpRedesign 2007-2012.] RWSN.
* [http://www.rural-water-supply.net/en/implementation/handpump-overview/148-india-mark-ii-extra-deep-well-pump India Mark II, Extra Deep-well Pump.] RWSN.
* [http://www.skipumps.com/mark2_details.htm India Mark ll Handpump]. S.K. Industries
* [http://www.clean-water-for-laymen.com/water-hand-pumps.html Water Hand Pumps Like the India Mark II Have Been Around For Years and Are Used Worldwide.] CleanWaterforLaymen.com
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