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India Mark III VLOM Deepwell Hand PumpINDIA MARK III VLOM
Deep well Hand Pump

This pump is a modified version of the India Mark II, based on the "VLOM" concept, strongly promoted by World Bank, UNICEF, UNDP and other development aid organisations during the Drinking Water and Sanitation Decade. "VLOM" means "Village Level Operation and Mainterance" management by users, especially women. According to the VLOM concept, a hand pump has to be robust and reliable under field conditions, cost effective, and lastly be maintainable by users at village level.

Schematic Drawing Here
FEATURES
As in the case of India Mark II,
The hand pump consists of Pump Head, Handle, Water Tank, Stand, Riser Pipes, Connecting Rods and Cylinder,all conforming to the Bureau of Indian Standard's specification IS 13056.
125 mm stroke length of the handle provides a water discharge of 1150 litres per hour with the cylinder installed in the range of the 15 m to 45 m below-ground level.
Special tools and Standard tools for installation, Masonry tools and Shuttering for Platform construction are available. Also, Fishing tools, Village level maintenance tools and Spare parts kits for two or five years' normal operation can be supplied.

SPECIAL FEATURES OF INDIA MARK III:
The water tank assembly has the appropriate coupler to suit 65 mm or 50 mm NB GI riser pipes. A special Cone Plate with rubber Cone is available for installation of µPVC / HDPE riser pipes. The cone plate and cone can also be used to reduce stresses on the GI riser pipe joint to the Water Tank.
The Cylinder incorporates an open top cap and suitable plunger and check valve assemblies to facilitate their removal for maintenance without the need to lift the riser pipes out of the borewell. This makes maintenance easily possible by village women caretakers / mechanics.
Cylinder is adaptable for use with Universal Cylinder components.
Very easy to install up to depths of 30 m. Use of a tripod and chain pulley block is recommended beyond this depth.
This hand pump can be supplied with different types of Stands, i.e., with standard three legs, or with a square or circular flange to suit the users' requirements.
Schematic Drawing Here

 
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