India Mark II Handpump

Conventional lever action handpump suitable for use with a drilled borehole.

Above ground level Components: Pump head, pump stand and a handle of galvanized steel.

Below ground level components: Brass lined cast iron cylinder with a footvalve and a plunger of brass with double nitrile rubber cup seal. Rising main is a Ø32 mm GI pipe and the pump rods are of galvanized steel with threaded connectors.

Not corrosion resistant: should not be used in water with pH < 6.5

General mechanics can successfully maintain the pump. It is not a Village Level Operation & Maintenance (VLOM) pump, so it does require some expertise and knowledge of pumps and mechanics to maintain.

The individual parts of the handpump have lifespans as follows:

Chain – 4 years, Valve – 4 years, Piston seals – 5 years, Handle bearings – 5 years, Pump rod – 10 years, Riser pipes – 12 years.

The India Mark II Pump was designed to be operational for at least 1 year without maintenance. Monthly and tri-monthly checks combined with yearly replacements can extend the life of the pump.

Rural Water Supply Network performance measurements follow:

• Depths for use: 50 – 80 m

• Cylinder diameter (mm): 63.5

• Maximum Stroke (mm): 125

• Approx. discharge at about 75 watt input m3/h:

• At 10 m head 1.8 • At 15 m head 1.3 • At 20 m head 1.0 • At 25 m head 0.9 • At 30 m head 0.8

• Pumping lift (m): 10 – 50

• Population served (nos.): 300

• Households (nos.): 30

• Water consumption: 15 – 20 L per capita

No known safety hazards are related to this product