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What to Know Before Buying Slurry Pumps

Nov. 02, 2022
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If you are considering the purchase of a slurry pump, there are many aspects to consider. The outcome of your choice is directly related to the smooth running of your production, as well as affecting production costs.
Therefore, this article discusses 6 things to consider when buying a slurry pump, read on for more information.

 

Slurry Pump

slurry pump

 


The material of the slurry pump

 

It is important to consider the material of the slurry pump. Using a metal or rubber pump liner will resist solid particles.
A metal casing will resist erosion caused by increased pressure and circulation. In some cases, the casing will be made of wear-resistant steel to allow the pump to be welded if repairs are required.

 

The power of the slurry pump

 

As the pump transfers power to the fluid, the amount of fluid energy per unit volume increases. This means that the power will depend on the conversion of the energy of the mechanism and the fluid components in the pump.

 

Efficiency of slurry pumps

 

Efficient pumps do not take up too much of your valuable resources. You can express the efficiency as ηp. This is the ratio between the power absorbed by the pump and the power you provide to the pump.

 

Size of slurry pumps


Slurry pumps are usually larger than standard pumps, with more horsepower and stronger bearings and shafts.
And slurry pumps designed for slurries will be heavier than those designed for less viscous liquids, as slurries are heavy and difficult to pump.

 

Net positive suction head

 

One of the most important things to consider is the net positive suction head. This is the inability of the pump to draw in anything equal to or higher than 10 metres. This absolute pressure must be present when the pump draws in.

 

The nature of the pumped material

 

The size and nature will affect the amount of physical wear on the pump and its components and whether the solids will pass through the pump without being damaged.
A problem with centrifugal pumps is that the velocity and shear forces within the pump can damage the slurry/solids.
The liquid or slurry mixture may be corrosive. And a corrosive slurry will wear out pump components more quickly and may dictate the choice of pump manufacturing material.

Are you interested in learning more about slurry pumps? Contact us today to secure an expert consultation!

 

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