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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. Water well pump - Wikipedia

    en.wikipedia.org/wiki/Water_well_pump

    Injector, a jet-driven pump; Mechanical or rotary lobe pump requiring mechanical parts to pump water; Solar-powered water pump; Pump driven by air as used by the Amish; Pump driven by air as used in the Australian outback; Manual pumpless or hand pump wells requiring a human operator; The pump replaces the use of a bucket and pulley system to ...

  5. Submersible pump - Wikipedia

    en.wikipedia.org/wiki/Submersible_pump

    A 0.75 HP bore-well submersible pump which had been used to pump groundwater One style of submersible pump for industrial use. Outlet pipe and electrical cable not connected. A submersible pump (or electric submersible pump (ESP) is a device which has a hermetically sealed motor close-coupled to the pump body. The whole assembly is submerged in ...

  6. Dewatering - Wikipedia

    en.wikipedia.org/wiki/Dewatering

    Deep wells work best in soils with a permeability of k = 10 −3 m/s to 10 −5 m/s; the amount of drawdown that a well can achieve is limited only by the size of the fish pump. [3] Deep wells can be installed in a ring around an excavation to lower the water level and maintain a safe, dry site.

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