INDIA MARK – II EXTRA DEEP WELL HANDPUMP

India Mark II Extra Deep Well Hand pump, is to modified version of standard India Mark II Hand Pump, for drawing water from 45 to 90 meters depth, manufactured as per Indian Standard : IS:15500/2004. Above ground structure made of mild steel, hot dipped galvanized, corrosion resistant, 63.5 mm dia cylinder assembly. Most of the components are similar to the India Mark II Hand Pump with following differences :

• Head assembly is slightly different (bracket opening is made to suit 40 mm square handle bar).
• Handle is thicker - made of 40 mm Square instead of the 32 mm square. Moreover, it has tee arrangement and counter weights. The counter weights attached to the tee type handle assist in the easy movement. The number of counter weights depend upon the exact depth at which cylinder is placed, i.e. 1 weight to be used for depth of 61 to 70 metres, 2 weights to be used for depth of 71 to 80 metres and 3 weights to be used for depth of 81 to 90 metres
• Cylinder assembly is different and has the provision of 3 pump buckets.

Minimum bore size	100 mm
ID of Cylinder	63.5 mm
Stroke length	100 (± 4 mm)
Average discharge	12 litres/minute/40 strokes
Operating depth	45 to 90 metres
Technical standard	IS:15500/2004

General overview of components

Above ground structure	The above-ground mechanism which includes head, handle, water tank and pedestal (stand), is fabricated from welded steel plates and sections for strength, and hot-dip galvanized for corrosion resistance. Options of pedestal – Normal 3 legged pedestal or telescopic 3 legged pedestal.
Cylinder assembly	63.5 mm dia cast iron brass sleeved cylinder with 3 pump buckets. Option - Cast Iron and Stainless Steel material.
Connecting Rods	Mild steel Connecting Rod, 12mm dia in 3 meter length, electro-galvanized and passivated. Option - Cast Iron and Stainless Steel material.
Riser Pipes	Galvanized Iron (GI) Riser Pipe, 32 mm NB, 3 meter length, with socket on one side. Option-Also available in Stainless Steel & uPVC.