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  2. India Mark II - Wikipedia

    en.wikipedia.org/wiki/India_Mark_II

    A broken India Mark II pump in rural Uganda A busy Mark II pump in Uganda. Children often bear the responsibility for collecting water. Durability needs to be incorporated into pump design to the handle the heavy use (and abuse). The India Mark II is a human-powered pump designed to lift water from a depth of 50–80 m. [1]

  3. Hand pump - Wikipedia

    en.wikipedia.org/wiki/Hand_pump

    The installation, maintenance and repair of deep well hand pumps is more complicated than with other hand pumps. A deep well hand pump theoretically has no limit to which it can extract water. In practice, the depth is limited by the physical power a human being can exert in lifting the column of water, which is around 30 m

  4. Village-level operation and maintenance (pumps) - Wikipedia

    en.wikipedia.org/wiki/Village-level_operation...

    Maintenance free pump system without rubber seals in the cylinder. The BluePump design is owned and hosted by the FairWater Foundation who supervises the production and monitoring the performance in the field. FairWater has an active R&D program to update and improve the design whenever needed. Riser Main: 65mm: 65mm: ID70/OD80mm Max Depth ...

  5. Comparison of pumps - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_pumps

    Different types of pumps are suitable for different applications, for example: a pump's maximum lift height also determines the applications it can be used for. Low-lift pumps are only suitable for the pumping of surface water (e.g., irrigation, drainage of lands, ...), while high-lift pumps allow deep water pumping (e.g., potable water pumping ...

  6. Parshall flume - Wikipedia

    en.wikipedia.org/wiki/Parshall_flume

    The width of the throat determines the flume size; 22 standardized sizes have been developed, ranging from 1 in to 50 ft (0.005 ft 3 /s to 3,280 ft 3 /s). A venturi flume is similar to the Parshall flume, without the contoured base, but the cross section is usually rectangular, the inlet shorter, and there is a general taper on the outlet ...

  7. Tube well - Wikipedia

    en.wikipedia.org/wiki/Tube_well

    A tube well is a type of water well in which a long, 100–200 millimetres (3.9–7.9 in)-wide, stainless steel tube or pipe is bored underground. The lower end is fitted with a strainer, and a pump lifts water for irrigation. The required depth of the well depends on the depth of the water table.