Efficiency Deficiency
Eddy current drives, known alternately as magnetic drives or eddy current couplings, have been a trusted and reliable means of controlling pump speed dating...
Optimizing Asset Performance
By Jennifer Cardillo, Sulzer
For over eighty years, Sulzer has provided maintenance and repair solutions to the South American industry. Today, specialist teams offer a...
Canned Motor Pumps Update
By Heinz P. Bloch
As a reliability professional since 1962, the author had many occasions to evaluate industry experience and feedback (see reference 1). He...
This VFD Doesn’t Play Around
With more than 20,000 people, including 14,000 athletes and officials, residing at the Asian Games in Jakarta, it was imperative a constant flow of...
Highly Efficient Motor for Peristaltic Pumps
Forty percent of the world’s electricity generated today is used solely to power electric motors. In addition, over 40 percent of such electricity is...
To Succeed, Control Your Speed
By Mark Harshman, Siemens
Medium voltage variable frequency drives (VFDs) are often the best choice to capitalize on opportunities to significantly reduce the operating and...
Say good-bye to brake wear
Force Control introduces the Magnashear® electric coupler brake which feature oil shear technology to provide precise stopping and repeatable positioning, in a compact footprint....
Sizing Pumps and Pump Motors
End users or service centers often need to specify replacement pumps or pump motors, sometimes involving a retrofit or re-application project. A successful outcome...
Canned Motor Pumps Update
By Heinz P. Bloch
In part 1 of this series, we asked the question, “who should repair canned motor pumps?” For decades, the answer, according...
Compact Drives-and-Controls Solution Leads to New Performance Levels
Advanced PLC-controlled drive systems ideal for packed engine rooms of PSVsModular liquid-cooled drives and PLCs from ABB have been included in VARD Electro’s innovative,...









