19, March 2026 | Industrial Pumps

Common Industrial Pump Problems and How to Fix Them

Common Industrial Pump Problems and How to Fix Them

In most industrial operations, systems are hardly ever at a standstill. Liquids are constantly transported through pipelines, and pumps are key to all these operations running seamlessly.

However, if a pump breaks down, this will instantly affect the whole production process. Hence, the main focus of any industrial pump manufacturer is on making pumps reliable, efficient, and user-friendly in terms of maintenance.

Here at Mackwell Pumps, we manufacture pumps capable of operating in harsh conditions and reducing the number of breakdowns. Knowing the most frequent issues with pumps is a step towards solving any problems you may face with your system and avoiding interruptions in production.

1) Pump not delivering enough flow

Low flow rate is one of the most common industrial pump issues. The system might be running, but the liquid output is still lower than expected.

Possible causes

  • pump with suction line blockage
  • dirty impeller
  • pumping air or gas
  • wrong speed of pump

How to fix the issues

  • Check the suction pipe for any blockage
  • Disassemble the impeller and clean it, also clean the casing
  • Make sure that the pump is filled with liquid
  • Check the speed of motor and the direction of rotation

The FLOWELL centrifugal pump is the best choice to improve your power plant and to increase the productivity of your industrial processes with the advanced hydraulic design that contributes in minimizing flow restrictions. Visit here for detailed specifications.

2) Excessive vibration during operation

Vibration is a very common indicator of a problem with machine components. If left unattended, it will eventually result in wear and tear of the bearings, seals and internal construction.

Common reasons

  • improper alignment between pump and motor
  • using old bearings
  • unbalance of the impeller
  • mounting base is loose

Solutions

  • Check correctness of alignment between pump and motor
  • If bearing is damaged, then replace
  • Test whether impeller is balanced
  • Tighten the bolts that hold the foundation
  • Replace damaged bearings
  • inspect impeller balance
  • tighten foundation bolts

Understanding correct installation techniques will definitely help you solve the vibration problem.

3) Pump overheating

Efficiency of a pump reduces rapidly with the heating up of the pump beyond normal working temperature. Besides, seals and bearings will have their life shortened by high temperatures.

Possible causes

  • not enough lubrication
  • too much friction
  • disabled cooling flow
  • running outside design limits

Fixes

  • Regularly check the amount of lubrication
  • Look for internal friction
  • Make sure that the cooling passages are clean
  • Make sure the pump is running according to its capacity

MACKPRO centrifugal pump is specifically designed for tough working conditions. It is capable of operating at very high temperatures (up to 260 degrees Celsius) and is therefore extensively used for chemical processing and refineries where heat exposure is an inevitable factor.

4) Cavitation inside the pump

Damage due to cavitation is one of the major pump problems. It occurs when vapour bubbles form and collapse inside the pump. This creates noise, vibration, and erosion on internal components.

Causes of cavitation

  • low suction pressure
  • restricted suction pipe
  • fluid temperature too high
  • pump installed too far from the liquid source

How to prevent it

  • Increase suction pressure if possible
  • reduce suction pipe resistance
  • maintain proper liquid levels
  • Select the right pump size for the application

The FLOWELL centrifugal pump is designed to ensure good and stable performance over a very wide temperature range from – 50°C to 200°C. It is also one of the features that help mitigate the risks of cavitation in environments that are very challenging for industrial operations.

Why choosing the right pump matters

Not every pump fits every system. Selecting the right model reduces maintenance and improves efficiency. At Mackwell Pumps, we design equipment that handles different industrial conditions.

FLOWELL centrifugal pump

Designed according to ISO 2858 and EN 22858 standards. Key capabilities include:

  • capacity up to 1500 m³ per hour
  • head up to 160 meters
  • pressure up to 16 bar
  • temperature range from – 50°C to 200°C

MACKPRO centrifugal pump

Built to meet ANSI and ASME B73.1 standards. Key capabilities include:

  • capacity up to 1590 m³ per hour
  • head up to 223 meters
  • temperature up to 260°C
  • speed up to 3600 rpm

Final thoughts

Industrial pump problems rarely appear without warning. Small signs such as vibration, noise or reduced flow often signal deeper issues.

By monitoring these symptoms early, you can prevent expensive downtime. Working with reliable industrial pump manufacturers also helps ensure better pump performance and longer equipment life.

In the face of constant challenges, Mackwell Pumps is still producing centrifugal pumps that are not only strong in terms of engineering but also provide applicable solutions to industrial needs.

FAQs

  1. What is the most common problem in industrial pumps?

Low flow rate and cavitation are among the most frequent pump issues in industrial systems.

  1. How often should industrial pumps be inspected?

Routine inspection should happen at least every few months depending on operating conditions.

  1. Can cavitation damage a centrifugal pump?

Yes. Cavitation can erode internal components and reduce pump life significantly.