Centrifugal Pump Internal Parts Explained!

Understanding pump internals is very important for every maintenance, mechanical, and instrumentation engineer.

This exploded-view infographic clearly shows the major components of a centrifugal pump and their functions.

Coupling

Bearings

Shaft

Packing & Stuffing Box

Mechanical Seal

Wear Rings

Impeller

Casing

Knowing these parts helps in:

Better troubleshooting

Predictive maintenance

Reducing pump failures

Improving plant reliability

A small issue in components like bearings, seals, or impeller can directly affect pump efficiency and process performance.

Which pump component fails most frequently in your plant?