Columns and Blogs

Typical wave machines require multiple pumps (vertical and horizontal) and tens of thousands of gallons of water per minute.
More than half of all electrical energy consumed in the U.S. is used by electric motors, according to the Department of Energy (DOE).


Typically, vibration measurements are taken with a handheld accelerometer probe in four places:

First of Three Parts

BIRMINGHAM, Ala. (May 16, 2013) – Upstream Pumping Solutions Editor Lori Ditoro has been named one of the “Top 50 Oil and Gas People on Twitter” by Drillinginfo.

The Water Environment Federation (WEF) initiated a national call to action—WATER’S WORTH IT Month was adopted in communities across the U.S. in an effort to promote conservation and personal stewardship.

How important is the hardfacing requirement below the sleeve bearings in the 416 stainless steel (ss) shaft of a vertical turbine pump used to move condensate? Consider an example with a condensate pump that has carbon bearings.

My January 2013 Pumps & Systems’ column focused on the reduction in motor horsepower (HP) as frequency is reduced by a variable frequency drive (VFD).

Pumps & Systems, April 2013

Pumps & Systems, April 2013

Almost 60 percent of the world’s freshwater withdrawals are used for irrigation

Pumps & Systems, March 2013

Pumps & Systems highlights some of the new technologies introduced at the 2013 AHR Expo in Dallas.

Pumps & Systems, February 2013

Pumps & Systems, February 2013

It has been my honor to talk with dozens of loyal 20-year readers and learn about how the magazine and the industry have evolved.

Last year, a Pumps & Systems reader asked about matching variable frequency drives (VFDs) and motors.

Memorization and learning are two different things. As I look back on my own education—formal and real life—most of the facts and figures that I memorized are long gone. Even today, routine details seem to slip in and out of memory based on how often I use them.

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