A recently upgraded pipeline crude oil pump station in Texas was experiencing high vibration levels on its pumps. MSI set out to diagnose these VFD controlled units.
Overall vibration vs. speed trend plot.
Click image to animate. Bearing housing problem mode shape.
ANSYS acoustic FEA model.
Excessive motion by the discharge piping of a petrochemical ammonia reciprocating compressor startled the operators.
Troubleshooting a new oil tanker pumping station in Colombia consisting of 4 screw pumps. Specialized testing revealed that piping natural frequencies were to blame.