Jim Elsey explains why you can't just wish and hope for pump performance.
August 2019
Jim Elsey shares 4 more stories from the pump twilight zone
July 2019
Jim Elsey on the mysteries of the twilight zone
June 2019
Why you should be worried about a few bubbles
May 2019
Does your pump have an alignment problem? Part 2
April 2019
Common Pumping Mistakes
March 2019
NSS describes relationship between speed, flow rate and NPSHr of impeller
February 2019
Deciding between placing this equipment on the suction or discharge side of the pump.
January 2019
Jim Elsey's tips on addressing cavitation.
December 2018
The equivalent suction lift is equal to the difference between the “vacuum effect” and the net submergence.
November 2018
Don’t mistake suction pressure for NPSHa.
October 2018
Don't forget to take vapor pressure into consideration.
September 2018
Learn the difference between suction lift and flooded suction.
August 2018
The first of a five-part NPSH primer series.
July 2018
Jim Elsey helps you avoid common centrifugal pump mistakes
June 2018
Learn the difference between viscosity and shear.
May 2018
Avoid cavitation with calculations and a focus on this aspect of the pumped fluid.
April 2018
Horsepower and fluid movement
March 2018
Common ways your equipment can fail
February 2018
Velocity, head and conservation of energy
February 2018
Pumps can last for decades when operated correctly.
January 2018
How air is introduced into the system?
December 2017
Follow these steps to halt the secret destroyer of pumps
December 2017
Common Pumping Mistakes
November 2017
Common Pumping Mistakes
October 2017
Common Pumping Mistakes
September 2017
Common Pumping Mistakes
August 2017
Common Pumping Mistakes
July 2017
Common Pumping Mistakes
June 2017
Common Pumping Mistakes
May 2017
Common Pumping Mistakes
April 2017
Common Pumping Mistakes
March 2017
Common Pumping Mistakes
February 2017
Common Pumping Mistakes
January 2017
Common Pumping Mistakes
December 2016
Common Pumping Mistakes
November 2016
Common Pumping Mistakes
October 2016
These are the answers to the Pump Ninja Quiz that was published in the October issue.
October 2016
Common Pumping Mistakes
September 2016
Common Pumping Mistakes
July 2016
Common Pumping Mistakes
June 2016
Common Pumping Mistakes
May 2016
Common Pumping Mistakes
April 2016
Common Pumping Mistakes
March 2016
February 2016
November 2015
October 2015
September 2015
Understanding this complex topic can help end users avoid common pitfalls.
August 2015
Last of Two Parts
June 2015
First of Two Parts
April 2015
February 2015