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The Section Handpump is generally used for lifting water from a depth not exceeding 7 m. They are more cost effective than the Deep well Handpumps for medium lifts and are safer from bacteriological contamination and corrosion problems. The Term "Direct Action" for a Handpump refers to a vertical pumping action using a bar handle connecting to a buoyant PVC pump rod. The load is transmitted directly from the user to the pump rod and piston during the operation. The buoint pump rod of relatively large diameter, displaces water in both the upward and downward stroke and the buoyancy of the pump rod makes pumping operation easy. The above mechanism eliminates the complication of the lever action Handpump such as bearings, axle etc. The direct action Handpump is designed for the easy installation , construction, maintenance.
Construction Details
The principal components of the pump are :
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