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10 Centrifugal Pump Safety Tips

Centrifugal Pump

In the UK, workplace injury statistics show that the number of non-fatal injuries between 2019/2020 totalled 650,208. Health and safety precautions in any workplace environment are highly important, especially in industries such as engineering, construction and manufacturing where machinery and equipment handling is common for employees.

With Centrifugal Pumps being one of the most widely used pump systems in both domestic and industrial settings due to their versatility in so many applications, there is an increased risk for injuries sustained whilst at work. Therefore, it’s important to know the top centrifugal pump safety tips to keep in mind before, during and after your pump operation.




Take a look at the list below to find out our top 10 tips for centrifugal pump safety for 10 safety tips that should be considered when working with a Centrifugal Pump.


1. Hold Safety Seminars 2. Avoid Overheating 3. Replace Old Parts 4. Test For Air Leaks 5. Understand Suction Blockages 6. Accessories 7. Perform Routine Shut-Off Tests 8. Use a Centrifugal Pump For Intended Use 9. Proper Installation 10. Achieve Proper Alignment Be aware of Centrifugal Pump safety precautions

1. Hold Safety Seminars

Employees should be properly trained before working with these pumps. All of your employees who are authorised to use Centrifugal Pumps should know how and when to read pressure levels, be able to handle the line draining procedure, and know how to use the emergency shutoff valve. Spend time holding safety seminars to teach simple instructions, such as wearing safety gear correctly.

Also make use of the pump’s instruction manual which will provide employees information on operating the pump correctly, recognising warning symbols and various health and safety precautions.

2. Avoid Overheating

Centrifugal Pumps can overheat and damage internal components. On top of that, they can also cause serious burns to workers servicing the pump. Don’t allow a Centrifugal Pump to overheat. Leave the suction and discharge lines open during operation.

If the pump does overheat, shut it down and allow it to cool. Allow the drain plug to vent before restarting the pump. As always, don’t touch the pump before it has cooled. You can cause major injuries simply by removing the cover plate.

3. Replace Old Parts

Often, worn-out components of Centrifugal Pumps lead to workplace accidents and can even damage the pump itself. Even small parts, such as a bearing or casing wear ring, can cause catastrophic safety issues if they’re worn out.

If the pump shaft starts to wobble, it can lead to the pump overheating. To avoid this concern, check the safety suction lines and pipe plugs frequently. Eventually, sealants wear away and can allow foreign objects into the pump itself. Always replace worn out parts and components as often as possible.

4. Test For Air Leaks

Air leaks become common once parts become worn out and old. If air is present, the pump will usually emit a loud, gravel-like noise. First, make sure the noise is not a result of cavitation. Check the vacuum gauge reading. If the readings are erratic, the suction flap valve, seals, or hose may be worn out and need to be replaced.

5. Understand Suction Blockages

Sometimes, Centrifugal Pumps become blocked with foreign objects or mismatched parts. Blockages can sometimes occur when the rubber lining in a suction hose pulls away from the fabric. However, the exact problem can be a number of issues.

Checking for these blockages requires knowledge of what is being pumped and the design of the pump. You can avoid problems by keeping suction lines short and straight, which will help to eliminate vapour pockets or bubbles. Also, make sure suction strainers are not clogged or dirty, which helps avoid eventual cavitation.

6. Accessories

Numerous accessories provided with the pump can extend its usage. Accessories often have alarms that shut off the system during safety emergencies. Examples of such system accessories include:

  • Diaphragm barrier alarm system – This system will immediately alarm and shut off the pump in the event of a diaphragm break
  • Dry-run prevention system – This system will immediately alarm and shut off the pump should it run dry.
  • Level control system – This system is operated with pneumatic components only. The level control system may be installed in sumps, tanks, or tubs to start and stop the pump at certain liquid levels.

7. Perform Routine Shut-Off Tests

This specific Centrifugal Pump test will help to determine the internal wear of the pump and the pull of the vacuum: First, start the pump to achieve full flow, then slowly close the discharge valve. Record the discharge and suction gauge reading.

The reading should be equal to the pump performance maximum pressure at zero flow. This condition ensures the pump is capable of performing as designed.

8. Use a Centrifugal Pump For Intended Use

Industrial Centrifugal Pump

There are different types of Centrifugal Pumps, and some are only intended to transport a certain type of material. Employees should never run liquid through a pump not designed to handle it.

For example, pumping corrosive or flammable liquids through a pump intended for water or waste can lead to complications. The environment should also be clear of dangerous materials, especially if it’s flammable. Using a pump properly will maintain the levels of cleanliness, pressure, temperature, and flow levels needed to keep operations safe.

9. Proper Installation

Installation of any pumps, including Centrifugal Pumps, requires professionals. Neglecting to install these pumps correctly can lead to major safety violations and possible fines.

Get professional services to install these pumps correctly to ensure the safety of others. It may be tempting to have employees install a new pump themselves, but doing so could lead to more expenses and violations.

10. Achieve Proper Alignment

To ensure the longevity of a Centrifugal Pump, make sure the driver’s alignment is sound. Not only is it a safety issue, but it can also help save costs that would have been spent on repairs. If not properly aligned, the bearings and driver of the pump will wear down and possibly cause the pump to overheat.

Eventually, couplings will fail if left undetected. Make sure to inspect the alignment of the driver at least once a month. If jobs are done in a larger capacity, or more frequently, inspect more often.

Be aware of Centrifugal Pump safety precautions

Ensuring you follow the above Centrifugal Pump safety recommendations we have provided will help to enhance the performance and durability of your pump in the long run. Unnecessary downtime can be kept to a minimum and keeping up with regular inspections will keep you and others around you safe.

Don’t forget to take a look at your pump’s instruction manual before operating these types of systems to further enhance your health and safety knowledge of operating a centrifugal pump.

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