Centrifugal Pumps
Centrifugal pumps are the most common pump, used in a wide variety of applications, especially water. They include one or more impellers that rotate and pull the fluid through. Impellers can be trimmed to change head or flow to enhance efficiency. They are not commonly used in non-Newtonian fluids.
The equivalent suction lift is equal to the difference between the “vacuum effect” and the net submergence.
Learn the differences between the HI and Wilson methods.
How a single-vane screw pump avoids typical pain points.
Don't forget to take vapor pressure into consideration.
Learn the difference between suction lift and flooded suction.
The first of a five-part NPSH primer series.
Communication between the plant and the pump vendor was key to success.
Jim Elsey helps you avoid common centrifugal pump mistakes
Improvements to make your equipment better than new.
Good design on the front end can avoid unnecessary expense in the long term.
Learn the basics of design considerations when specifying a pump
Common Pumping Mistakes
These are the answers to the ANSI pump quiz that was published in the September 2017 issue.
