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Common Causes of Excessive Pump Vibration and Ways How to Correct Them

September 9, 2019

No matter what kind of water feature you own, you probably already understand how important your pump is to the entire operation. While pumps are ostensibly simple machines, they can become a headache in the blink of an eye. When you notice that your pump is making odd sounds while vibrating excessively, you might rightfully become quite worried. To allay your potential fears, our goal today is to educate you on pump vibration issues. Today, we are going to showcase the most common causes of excessive pump vibration as well as the ways that you can address these issues.

Common Causes of Excessive Pump Vibration

Here at Parker Pumps, we understand how important it is to keep your pump operating correctly. After all, we've been in the pump business for more than fifty years. One of the most common problems that customers bring to our front door has to do with their pump making odd sounds or movements. A pump that excessively vibrates may be going through some issues. To save your pump and save your water feature, you are going to have to diagnose the issue. Here are a few common causes of excessive pump vibration as well as potential solutions.

1) Pump Cavitation - Let's start things off with a bang. Pump cavitation is a common problem for pumps. Cavitation happens when bubbles start to appear in the liquid that you are moving. This is due to a low pressure near or around your impeller. As these bubbles collapse or implode, a shockwave can go rattling through your pump which will, in turn, cause the disruptive vibration that you first noticed.

Solution - You can correct pump cavitation by cleaning your filters and strainers, checking your pressure gauge, and changing the route that your media takes to and from your pump.

2) Pump Pulsation - Pump flow pulsation can sometimes be misinterpreted as a surge in your pump. Pulsation happens due to energy that rapidly accelerates and decelerates. This problem can be slightly harder to diagnose, though thankfully it is not impossible.

Solution - Simply purchase and install a pulsation dampener. This component helps to absorb pulsation issues before they actually reach your pump.

3) Impeller Imbalance - Finally, you can experience your pump vibrating when your impeller is misaligned, dealing with bad bearings, or simply overheating. You'll also sometimes see traumatic force cause your impeller to become imbalanced.

Solution - To solve this issue, we'd advise speaking with a professional who has been trained to take apart pumps and work on their interiors. While not the largest problem in the world, you might still need professional assistance.

Parker Pumps

29B Ormond Rd., East Geelong VIC 3219

Phone: (03) 5229 7443

Email: sales@parkerpumps.com.au

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