What is a cartridge barrel pump?

At Answerbag, we're lucky to work with great writers and researchers who help us answer some ofyour questions. Take note of various simple adjustments that should be added to a standard

centrifugal or positive displacement pump. For pumps with overhung impellers, a solid shaft is aeasy change over the typical sleeved shafts. Mechanical seals can be improved with tungstencarbide faces, and elastomers are better when changed to EPDM. Finally, magnetic bearingprotectors would be a huge step upover the lip seals which most water pumps depend on to impellerwater pump keep bearing sump oil free from contaminants.

Meet one of them!

Tom Gresham

Tom Gresham is a freelance writer and public relations specialist who has. The majority of installedpumps were not originally sourced for their current use. Often, a line in a company changes and apump that started out providing cooling water to an injection molding machine is now needed tomove oil from a rail car to a tank. Sadly, this leads to many problems for the pump and the company.Pumps operate where the pump curve crosses the system curve. When you move a pump from onesystem to another, this means that the system curve is different. This new system may cause thepump to operate away from its best efficiency point, leading to vibration and other componentfailures that are merely symptoms of a mis-matched pump and system.been writing professionallysince 1999. His articles have appeared in the"Washington Post,""Virginia Magazine,""VermontMagazine,""Adirondack Life"and the"Southern Arts Journal,"among other publications. He graduatedfrom the University of Virginia.