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Centrifugal pumps are the most common type of pump. A centrifugal pump uses one or more impellers. The impeller attaches to and rotates with the shaft providing the energy that moves liquid through the pump and pressurizes the liquid to move it through the piping system. Centrifugal pumps are usually quick to install, require less maintenance than other alternatives, and the most standard centrifugal pumps are easy to repair. Centrifugal pumps are usually the best choice for lower viscosity (thin) liquids and high flow rates. They are used in many residential, commercial, industrial, and municipal applications. Multi-stage centrifugal pumps have more than one impeller, and are used for applications that require higher pressure or head. Centrifugal pumps generally work within the following ranges: Flow rate ranges between 5 and 200,000 gpm Total head (pressure) ranges between 10 and 7,500 ft Horsepower ranges between 0.125 and 5,000 hp
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