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2. Hand pump - Wikipedia

   en.wikipedia.org/wiki/Hand_pump

   VLOM, meaning Village Level Operation and Maintenance, is a term first used during the UNDP and World Bank Rural Water Supply Hand Pumps Project. This project lasted from 1981 to 1991, and studied the availability and maintenance of hand pump systems. 40 kinds of hand pumps were analyzed in laboratories, and the performance of 2700 hand pumps ...

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

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

   Quick release Eye & Hook tool-less ends on Connecting Rods with rubber centralizers facilitate maintenance and protect the riser pipe against internal wear. All the specifications of the pump are controlled by SKAT and the specifications have undergone 5 Revisions: Maintenance free pump system without rubber seals in the cylinder.

4. Water pumping - Wikipedia

   en.wikipedia.org/wiki/Water_pumping

   Due to the rotation, water is then picked up by the tube and pumped upwards in the hose. The coil pump, as many low lift pumps, is commonly used for irrigation purposes and for drainage of lands. It is currently still used by farmers in Asia. [1] The coil pump was built as an alternative to the Archimedean screw. Unlike the Archimedean screw ...

5. Hydraulic ram - Wikipedia

   en.wikipedia.org/wiki/Hydraulic_ram

   The momentum of the water flow in the inlet pipe against the now closed waste valve causes a water hammer that raises the pressure in the pump beyond the pressure caused by the water column pressing down from the outlet. This pressure differential now opens the delivery valve [5], and forces some water to flow into the delivery pipe [3].

6. Pump - Wikipedia

   en.wikipedia.org/wiki/Pump

   The device uses the water hammer effect to develop pressure that lifts a portion of the input water that powers the pump to a point higher than where the water started. The hydraulic ram is sometimes used in remote areas, where there is both a source of low-head hydropower, and a need for pumping water to a destination higher in elevation than ...

7. AOL Calendar - You're almost there, but your web browser ...

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8. Gary R. Petersen - Pay Pals - The Huffington Post

   data.huffingtonpost.com/paypals/gary-r-petersen

   73.5%; between 2008 and 2012, better performance than 95% of all directors; The Gary R. Petersen Stock Index. From January 2008 to December 2012, if you bought shares ...

9. Circulator pump - Wikipedia

   en.wikipedia.org/wiki/Circulator_pump

   This avoids one of the principal challenges faced by the larger, two-part pumps: maintaining a water-tight seal at the point where the pump drive shaft enters the pump body. Small- to medium-sized circulator pumps are usually supported entirely by the pipe flanges that join them to the rest of the hydronic plumbing. Large pumps are usually pad ...