Which type of pump is most commonly used in water distribution systems?

The centrifugal pump is the most commonly used type in water distribution systems due to its efficient design for moving large volumes of water with minimal energy consumption. These pumps operate by converting rotational energy, typically from an electric motor, into kinetic energy in the fluid. The design allows for a continuous flow of water, making it ideal for distribution systems that require a steady and reliable supply.

Centrifugal pumps are effective in handling varying flow rates and can adapt to changes in system pressure without significant loss in performance. They are also capable of self-priming, which means they can pump water even from a lower position without needing additional priming mechanisms. These qualities contribute to their popularity in municipal and industrial water supply applications.

In contrast, diaphragm, piston, and gear pumps serve specific functions and are generally used in applications requiring precise dosing, high pressures, or handling of viscous fluids, which are not common requirements in typical water distribution systems.