Jim Elsey May 2017
In recent years, most industry professionals have been leaving the decision of driver size selection to pump-selection software. There is nothing wrong with that choice, and many selection software programs do a great job.
Ray Hardee May 2017
First of Two Parts
Ray Hardee April 2017
I am often asked why a system is not operating properly. In many cases, I have limited operational experience with the specific user’s fluid piping system. But by breaking down the system into the pump, process and control elements, one can quickly understand how it operates.
Amy Cash
April 18 marks National Columnist's Day in the United States, and we would like to take this opportunity to thank our expert panel. Jim Elsey, Ray Hardee and Lev Nelik provide readers with educational, compelling content every month, and their columns are favorites among our readers.
Lev Nelik April 2017
My recent series titled “Case Study: Troubleshooting Seal Problems in Cooling Water Pumps,” published in Pumps & Systems (December 2016, and January and February 2017, find them here), described using automated pump field performance data acquisit
Jim Elsey April 2017
One of my previous Pumps & Systems columns expounded on an urban myth that all centrifugal pumps arrive on the jobsite ready to operate—“plug and play.” In almost
Ray Hardee March 2017
Smart pumping is not just about buying a pump for your system that has a high best efficiency point or installing a variable frequency drive to reduce power consumption and energy costs.
Jim Elsey March 2017
Some common goals clients report to me include having a pump that operates reliably for a long time combined with an inexpensive installation. I would argue that it is rare to accomplish both on the same job.
Lev Nelik March 2017
Editor’s Note: Lawrence Leising, maintenance supervisor for the Town of Amherst, New York, Engineering Department’s Wastewater Treatment Division, contributed to this column.
Jim Elsey February 2017
It seems that most pump owners/operators immediately blame the manufacturer if the pump shaft breaks. Yet in most cases, it is not the manufacturers’ fault. This article explores the issue and the potential causes.
Ray Hardee February 2017
Engineers involved with any project that includes more than a cursory amount of digging must consider how to manage groundwater.
Ray Hardee January 2017
Past Pump System Improvement columns have focused on piping systems made of one or two circuits.
Jim Elsey January 2017
The famous Swiss psychiatrist and psychotherapist Dr. Carl Jung is often quoted as saying, “What you resist persists.” I always took it to mean that because I had problems with calculus in college, I would always be in professional positions that would require me to be proficient in the subject.