Water Pump: How to Make the Right Selection

The water pump is one of the most important appliances that one can invest in when it comes to domestic usage, especially in the rural parts of India. However, not all water pumps have been engineered similarly. Here is a look at some of the main aspects you need to consider when selecting the most energy efficient water pump in India: 


1- Select the most efficient pump type for the application

One of the most important aspects of the water pump is that both pressure and flow parameters for the pump design should be 25 percent more than the actual system operation. This implies that the specifying engineer might need to work closely with the pump manufacturer or distributor to optimally select the pump. This is in addition to its size, speed, power requirements, and the kind of drive, along with the mechanical seal and the ancillary equipment.

2- Right-size the pump

The Right-sizing of the pump comprises a significant economic opportunity to be able to reduce energy consumption. This is necessary as the centrifugal pumps can take up to 60 percent of motor energy in a facility. This is along with the highest process equipment maintenance cost as well. When the engineers put too much of a safety factor into the design phase, the pump can get oversized, which results in higher energy and maintenance costs.

3- Trim the impeller

Take note that the impeller should not be trimmed any smaller than the minimum diameter as displayed within the manufacturer’s pump curve. This is generally around 75 percent of the maximum impeller diameter of the appliance. Also, the Pump curves and affinity rules that are valid for a maximum of around 5 percent change in diameter can both offer information on the impeller trim changes and also the affected performance. Simply put, the impeller trimming is generally used to prevent throttling losses linked with control valves.

4- Minimize system pressure drop

One of the main ways to minimize pressure drop is through pipe-sizing optimization. This implies that the Hydraulic friction loss helps create a reduction in pressure from one end of a straight pipe to another. Other Factors such as the flow rate, pipe size or diameter, overall pipe length, pipe characteristics, and properties of the fluid being pumped all affect the system pressure drop.

CONCLUSION

So, there you have it people, these are some of the most important aspects to consider when selecting the perfect water pump for your domestic use.


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