What kind of pump incorporates rotating impellers inside a pump case?

A centrifugal pump is designed with rotating impellers inside a pump case. The primary function of these impellers is to convert mechanical energy from a motor into kinetic energy in the fluid being pumped. As the impeller rotates, it imparts velocity to the fluid, causing it to flow outward from the center of the impeller toward the discharge of the pump.

This type of pump is known for its ability to move large volumes of liquid efficiently, making it a popular choice in various applications, including water distribution, irrigation, and industrial processes. Its design allows for smooth and continuous flow, which is beneficial in many operational settings.

On the other hand, vacuum pumps typically create a vacuum by removing air or gas from a sealed volume, while reciprocating pumps utilize a back-and-forth motion to move fluid through the pump. Diaphragm pumps rely on a flexible diaphragm that expands and contracts to move the fluid. Each of these pump types operates on different principles compared to the centrifugal pump's use of rotating impellers.