6 factors to consider before selecting the right water pump
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6 factors to consider before selecting the right water pump

A good water pumping system enables water movement from the areas of low pressure to the areas of high pressure and a diverse range of functions. Choosing the right water pumps can offer several benefits as it is essential equipment in households, farmlands, transportation, mining and various other industries. By selecting the pumps from the best brand, you can minimise the downtime in the water system and be assured of their longevity. There are multiple factors that require thorough consideration while selecting a water pump for the desired application. Here are some of the most important factors to consider to guide you through the pump purchase process.

Water quality

Before choosing a pump, you need to analyse the water quality as the motor of each pump is designed in a specific manner to handle the particular quality of water. Water quality is classified based on the size of particles. Black water has a suspended solid content of about 25 mm, grey water has suspended solids of about 20 mm, and clean water has particles less than 5mm.

Pump type

There are two types of water pumps widely available: Electric and gas.

Electrically powered pumps are primarily used indoors. These pumps are 120V and are plugged into a standard outlet. You can also find 230V, which requires electrical wiring for its operations. These pumps require less maintenance and upkeep.

Gas-powered pumps are mostly found on farms or job sites. These pumps have more powerful engines than electric ones and can move about 750 gallons of water in a minute.

Pump models

Pump models may be multi-stage or single-stage. Multi-stage models have more than one impeller, which helps in increasing the water pressure. Single-stage models have one impeller that sucks up the water and pumps it. The presence of multiple impellers in multi-stage pumps offers high hydraulic efficiency and is more cost-effective. One good option to consider is bobcat 743 water pump.

Maximum head

The maximum head is the distance or depth from which a pump can pull out water. It is denoted in terms of feet or metres. The pulling capacity decreases with the increase in distance or depth and becomes zero when the maximum depth is reached. So, you must consider that the maximum head is a bit more than the water’s depth as it does not remain constant in most cases. For example, if the water depth is 40 metres, you can purchase a pump that has a maximum head of 50 metres.

Inlet pipe

The water intake depends on the size of the inlet pipe. The pump sucks in water through the inlet pipe and ejects it from the discharge valve. A pump with a small inlet pipe has a lesser capacity to pull water than the one with larger inlets. Usually, the inlet size in most water pumps varies between 1 and 6 inches. However, it can also be more in some. A dewatering pump with a 4-inch inlet size will finish the job faster than the 1inch. Moreover, you must also be mindful that whatever the size of your inlet pipe, you need a suction hose of the same diameter.

Pump accessories

The versatility and usefulness of a pump are increased with the use of pump accessories. In dewatering pumps, you require an inlet hose and, a discharge hose, a suction strainer to separate the solids away from the pump. Moreover, when you are using a gas pump, you may need a hose kit to keep the pump outdoors and use the strainer and hose remotely.

 

A thorough understanding of all the above factors will equip you with the necessary knowledge before buying the right water pump and meeting your needs.

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