How to select Pump for Borewells?

Borewell Pumps :
Borewell Pumps are also called as Submersible Centrifugal Pumps are used to Pump water supply from deep borewells. All liquids can be Pumped using centrifugal water Pumps.


Choosing Borewell Pumps:
Motor selection is based upon horsepower required, Pump RPM, thrust load, well diameter, and power supply. Also, see comments under WELL SIZE and WATER TEMPERATURE. Selecting the proper overload protection is one of the most important factors in obtaining a successful submersible installation.
The important factor to be considered will be the discharge rate of the borewell submersible Pump which can be defined as the amount of water Pumped per minute. So, if it is needed for a bigger area the
discharge rate must be higher. The discharge rate is measured in litre per minute or litre per hour.


Pumps are rated in GPM (gallons per minute).

A typical 3- to 4-bedroom home requires 8-12 GPM. When determining your home water needs, add one GPM for every water fixture in your home.


Life of submersible Pump:
Submersible Pumps are underwater within the well and have longer life spans. The water around these Pumps keeps them cool which reduces wear and tear. A submersible Pump will last around 15 years
if the water has low amounts of sediment while higher amounts of sediment cause them to last about 6 years.


The efficiency of the Pump:
The quality of the Pump, and the amount of water that comes in your sump pit. High-quality sump Pumps can run for 20-24 hours straight, low-quality pumps.


5 HP – 28 stage -0 – 700 Ft – 4 – 43 GPM (varies by TDH)

The depth to the water or in other words the lift that the pump must achieve

Conclusion:
When it comes to 700 ft or above borewell depth, you must choose a submersible pump that falls in the category of 6/7/8 HP series. To begin with, HP refers to the Head capacity of the pump. It is quite deep for a submersible pump to be installed. Hence, before you go for a 6/7/8 HP series submersible pump.

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