Latest Piping Articles

In previous columns, we have discussed how a physical system can be simulated by developing an accurate model of the system.

For the last two years I have had the pleasure of writing Pump System Improvement columns for Pumps & Systems magazine.

In my previous column, a plant engineer used a piping system model to determine why the facility’s large cooling water system was not operating properly.

Hydroelectric power is the most widely used renewable energy resource in the world, comprising as much as 25 percent of total global electricity.

Regardless of the application, most uninterruptible power supply (UPS) users require some degree of customization.

Editor’s note: This article provides additional information that further explains Ray Hardee’s monthly Pump System Improvement column appearing in the June 2016 issue.

My longtime readers know that a piping system is made of three parts: the pump elements, process elements and control elements.

During my introduction to a piping system fundamentals course at an open-pit copper mine and mill in the southwestern U.S., I stressed the importance of understanding how the individual items of a

It has long been recognized that rubber expansion joints (REJs) provide critical design functions that impact the reliability of the entire piping system.

Q. What are the effects of air pockets in a pump piping system, and how can they be eliminated?

For those of you old enough to remember Lawrence Welk, you’ll notice that the title of this brief column is the final quote from his show’s closing song. I am still a loyal fan of his reruns today.

In my last column (Pumps & Systems, October 2014), I explained that a capacitor’s current is totally out of phase with that of a motor’s magnetizing current.

A reciprocating power pump, as depicted in Figure 1, is a displacement machine. It has characteristics that are different than a centrifugal pump.

After reading two of my articles on power pump valves, valve springs and net positive suction head required (NPSHR), Brazilian engineer Ricardo Martuscelli emailed me to suggest that I create