THE IMPORTANTANCE OF SELECTING THE RIGHT PUMP?

What you should consider when selecting pump for a Borehole installation, it’s important to understand that choosing a pump is a very important step in getting the most value out of your borehole.


THE IMPORTANTANCE OF SELECTING THE RIGHT PUMP?


The initial cost of the pump is an important consideration, the lifespan cost of owning a borehole should also be considered.

Pumps come in different sizes some are Oversized and undersized but very efficient in their own size. When selecting a suitable pump first you need to consider the brand name of the manufacture, the size is it 1 hp or 2hp and power of pump depending with the amount of water being produced. They consume a lot of extra energy relative to the amount of water delivered. 
the importance of selecting the right pump
the importance of selecting the right pump

It’s clear that choosing the right pump is very important, but with all the options on the market, where do you start? Here are the factors that you’ll need to consider.

PUMP APPLICATION


What do you plan on doing with the water that you pump from your borehole? Here are some examples of applications that we see at the:

Garden irrigation: Using a sprinkler irrigation system or hosepipe

Filling a tank or reservoir

Household use

Farm applications: Crop irrigation or water for livestock

Mine dewatering

These different applications will each require very different pumps.

FLOW RATE AND PRESSURE


Whatever the application, it comes down to two primary factors – the amount of water to be moved (or flow), and the pressure that must be generated to get the water to where it is needed.

Based on your application, you will have an idea on what flow rate and pressure you are aiming for. For example, a garden irrigation system with micro-jets will require high pressure, but lower flow; watering with a hosepipe will require lower pressure, but much flow; and if you’re filling up a tank, you could probably get by with low pressure and low flow.

PUMPING DISTANCE


The water will start underground and eventually be delivered to its endpoint by the pump. There are a few legs to this journey:

From below-ground to the top of the borehole (depth of the borehole)

From the top of the borehole to the delivery point (horizontal distance)

From the top of the borehole to the highest point the water will be pumped to (ground elevation)

DEPTH OF THE BOREHOLE


The contractor will be able to tell you the average depth of the water in your borehole. Pumping water up vertically takes a lot of effort, so a deep borehole will require a much more powerful pump than a shallow borehole. As a guide, you will need 1 bar of pressure for every 10m of your borehole.

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