HAND PUMPS FOR WATER WELLS: COMPARISON

For decades, handpumps have been a very useful and popular tool for transporting water to the surface. They offered considerable performance for their simple design and low capital costs, especially in developing countries.

Hopefully, research and development in this area won’t stop. There are already similar, non high-tech systems that deliver high performance, don’t require humans to power them, and are maintenance-free. These are key factors, essential for their implementation in developing countries. In terms of developmental cooperation, sustainability and durability is a top priority. The NSP Solar Pump meets all of these criteria.

A water hand pump is a water well pump which pumps water out of potable - drinking water wells to a maximum depth of about 80 meters. The delivery height depends on the water level in the water well. It is running with the aid of human or animal power.






Advantage:

  • Inexpensive acquisition but high maintenance, replacement and new installation costs.

Disadvantage:

  • Water can only be pumped with the aid of human or animal power.

Maintenance works:

  • Gaskets in the pump piston system must be replaced.
  • Greasing and replacement of unit parts.

Running costs:

  • Maintenance with replacement work and costs.

Replacement:

  • It is easy to make replace existing water hand pumps with a new water well pump system.


The Various Hand-Pump Systems:

Hand Pumps – The Various Systems

Hand Pump - Water Well






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Author: Dietmar Stuck