Technical Documents
Vibration in Vertical Pumps
Vertical pumps can in some instances have extreme reliability issues due to some aspects of their design. In the video below we cover some of the common design we see in industry, some of the most common causes of vibration in vertical pumps, discuss natural frequencies and resonance, give some recommended test plans for determining the root cause, and discuss some fixes that actually work.
Proximity Probe Glitch/Runout
Glitch/Runout can have a significant impact on the accuracy of your proximity probe signals. Being able to identify if runout is present in your proximity probe signal is key to understanding the common question "Is the vibration real or just a measurement issue?". While nothing beats having an experienced analyst look at your vibration data the quick guide below should assist you in determining if you have runout in your probe viewing area.