[Tools]     [Spares]   
[Performance Factor]
 
Extra Deepwell Handpump

 

               India Mark  II Pump   with   minor modifications  is capable of  drawing water from operating depths upto 90 metres. These  pumps  are exclusively  used  for extracting water from greater depths.
 
 

They are suitable for static water levels varying between 50 and 90 metres where placement of cylinders can be upto 85 metres.  The inner diameter of the borewell, where these pumps are installed, should not be less than 100 mm.
   

i. Pump Head Assembly

:

There is no change in the pump head assembly as  compared to the India Mark II Handpump except that the bracket opening is made to suite 40 mm square  handle bar.

 ii. Handle Assembly  

:

The main parts of the handle assembly are similar to that of India Mark II Handpump except that the handle bar  is made out of solid 40 mm M.S. square bar, with T-bar arrangements. Additional plates are provided depending upon the depth at which the cylinder is placed.

iii Cylinder Assembly  

:

The main parts of cylinder assembly are cylinder body  (longer) and caps which are manufactured from cast iron. All other components are manufactured from gun metals. The three pump buckets are made from nitrile leather. The plunger rods are 500 mm long of SS 12mm diameter. The brass  liners are manufactured from temper annealed materials Cu Zn 30. Cylinders are painted with the redoxide  primer and two coats of finish with metal enamel paint.