Categories: Shaft Alignment,Machinery Diagnostics,Machinery Maintenance,Other Topics

Should Soft Foot Be Corrected in Centrifugal Pumps?

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By on March 20, 2018

 

In a previous blog I wrote in Jan of 2016 “Soft Foot Concerns in the Stationary Machine?” soft foot in the pump was causing repeatability issues during a precision shaft alignment.

https://vibralign.com/other-topics/soft-foot-concerns-stationary-machine/

Soft foot can also distort the pump casing which can change clearances within the casing.

This can shorten the life of the bearings and seals, change clearances between the impeller and volute negatively affecting pump performance and cause vibration issues.

Therefore, the answer is yes! If you have feet on your centrifugal pump and bolts holding it to a base, soft foot should absolutely be checked for and corrected.

About the Author

Mac was a Journeyman Millwright at a Kimberly-Clark paper mill in Washington State before moving into a Maintenance Team Leader position. Later, he moved to Kentucky where he went to work for Wausau Paper as Maintenance Team Leader on a new mill start-up. This is where Mac was first introduced to VibrAlign. “I was so impressed with the people, passion, and products of VibrAlign. I had always hoped to one day give back some of the knowledge I have been fortunate enough to gain from others in my field. VibrAlign has given me that opportunity.”

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