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No. 6 pump

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{{Language-box|english_link= No. 6 pump | french_link= Coming soon | spanish_link= Coming soon | hindi_link= Coming soon | malayalam_link= Coming soon | tamil_link= Coming soon | korean_link= Coming soon | chinese_link=6号泵 | indonesian_link= Coming soon | japanese_link= Coming soon }} [[Image:No. 6 icon.png|right|80px]][[Image:No. 6 pump.jpg|thumb|right|200px|The No. 6 pump used in Bangladesh and India. Photo: [http://www.rural-water-supply.net/en/implementation/handpumppublic-domain-overviewhandpumps/no-6-pump RWSN.]]]

The No. 6 Pump is a lever operated suction pump for shallow wells. Typically, No. 6 Pumps are installed in collapsible tube wells with the screen extending to the coarse sand aquifer.

The advantage of suction pumps is that the cylinder is normally above the level of the soil (above ground). For maintenance, the replacement of seals and valves can be easily performed with few tools.

===Suitable conditions===[[Image:No. 6 pump parts.jpg|thumb|right|200px|Labeled parts of the No. 6 pump. Drawing: [http://www.rural-water-supply.net/en/implementation/handpumppublic-domain-overviewhandpumps/no-6-pump RWSN.]]]

Distribution: several millions in Bangladesh and India.

===Construction, operations and maintenance===[[Image:No. 6 pump diagram.jpg|thumb|right|200px|Diagram of the No. 6 pump mechanics. Drawing: [http://www.rural-water-supply.net/en/implementation/handpumppublic-domain-overviewhandpumps/no-6-pump RWSN.]]]

Pump head, body and handle are of cast iron, pump rods are of mild steel, suction pipe of PVC-U pipe, Plunger and check valve are of brass. This makes the No. 6 Pump reasonably corrosion resistant.

This pump has an excellent “Community Management Potential”. Only two spanners are needed to repair plunger and foot valve. A village caretaker can perform all maintenance operations.

[[Image:No. 6 specs.jpg|thumb|centernone|450px400px|A guide for specifying options. Chart: [http://www.rural-water-supply.net/en/implementation/handpumppublic-overviewdomain-handpumps/no-6-pump RWSN.]]]

===Acknowledgements===* [http://www.rural-water-supply.net/en/implementation/handpumppublic-domain-overviewhandpumps/no-6-pump Implementation • Handpump Technology: No. 6 pump] RWSN, 2009.

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