Centrifugal pumps are fairly simple in nature. They use the kinetic energy of the motor to move the liquid. The engine is attached to the shaft and then rotates the pump impeller, which is reminiscent of the "water wheel" of an old ship. The rotation causes the water to move from its entry point through the casing, eventually reaching the outlet.

While most pumps are used for water, centrifugal pumps are also used for sewage, oil, and chemicals. By the way, the reverse of this process is called a water turbine. The impeller is placed in moving water; It can be used as a water turbine to convert water energy into rotational energy. In other words, instead of the motor driving the pump to drive the water, the water drives the pump to drive the motor.

Since the motor is converted directly into rotary energy, the centrifugal pump is a very simple pump. As with all pumps, there are advantages and disadvantages.

The biggest advantage of centrifugal pumps is the simplicity mentioned earlier. They do not require any valves or many moving parts. This makes them easy to produce with many different materials. It also allows them to move at high speeds with minimal maintenance. Their output is very stable and consistent. Most importantly, they are very small compared to other types of pumps that produce the same output.

The main disadvantage is that they use rotation rather than suction to move the water, so there is almost no suction. This means that the centrifugal pump must first be placed underwater or started before it can move the water.

Centrifugal pumps also produce a phenomenon called "cavitation". This happens when the speed of water causes it to evaporate, which causes bubbles to appear in the liquid. The combination of the speed of the steam bubble and the implosion of the steam bubble corrodes the surface of the impeller and the pump casing.

For most household or light industrial uses, a centrifugal pump will do. As long as the liquid is not too viscous, such as mud or waste, and the pump can be completely submerged, it provides consistent, efficient and reliable operation. Centrifugal pumps offer great flexibility, are easy to move, and don't take up much space.

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