Lady and the Clamp

Lady and the Clamp

When an LNG plant has multiple compressors driven by GE MS7001 gas turbines, it can be a fairy tale romance.  But, when the evil villain, in this case, a hydraulic hub, gets involved, it can put the whole story in jeopardy.  Over the years of operating, this LNG plant...
I Like Big Hubs (and I cannot lie)

I Like Big Hubs (and I cannot lie)

Working with Large Hubs the Hard Way As the world’s heavy industries strive towards larger and more powerful equipment, CouplingCorp is helping to make it easier to keep that machinery running using large clamp hubs. Historically, there have been several ways...

Circ Water Success

Large Vertical Pumps with Large Problems Recently, a power plant had problems with its circulating water pump system. The system was rated at just over 5000 HP, running at 350 RPM. There were some vibration issues along with some other reliability issues. After...
Surprise BSE Change

Surprise BSE Change

Thermal Growth – No Problem Recently a power plant was installing a new coupling after an extended outage. A new pump shaft and element were installed during the outage, and significant work was performed on the turbine. The original distance between shaft ends (DBSE...
How CCA Saved a Customer Millions

How CCA Saved a Customer Millions

A CouplingCorp customer came with a problem that can be common. The original shaft attachment device they were using had a set screw to hold it in place on the shaft. Over time the vibrations of the hub on the shaft caused micro fretting between the set screw and the...