The gear water pump is a popular choice for many applications. They aren’t always used for water, though. They are used in the petrochemical and chemical industries and make great pumps for hydraulic applications. They can be used for viscous and aggressive fluids. Here are some advantages and disadvantages of the gear water pump.
Advantages of Gear Water Pumps
A gear water pump can handle fluids that are too viscous for a centrifugal pump. The pumping action is very controllable and mathematical: if you double the speed, you double the output. The output of a gear water pump is independent of discharge pressure. Since a gear pump doesn’t have to generate centrifugal force, it can be run at a much lower speed. This makes it smoother and more controllable.
Gear pumps are self-priming, which can be a huge benefit. Their discharge pressure can be very high, dependent upon a number of factors. Gear water pumps don’t have a BEP or best efficiency point; they are consistently efficient.
Disadvantages of Gear Water Pumps
Due to the meshing gears, they are not recommended for abrasive media or solids. Their design is complicated and adds to their initial cost. Gear pumps can be “too noisy” in some environments. They are limited by their size and unsuitable for operations with large bulk flow rates.
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The result is that you will always get the right pump for the right job. For large projects, most of our manufacturers have dedicated customer service people who will work with you to make sure everything is perfect.
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