Columns
Dr. Lev Nelik responds to an answer from his September column.
In the September issue of Pumps & Systems, a question was posed to our readers about water consumption and the cost of watering a small residential garden.
Understanding noise and its importance.
It is important to test for NPSHr if the predicted NPSH margin is low.
An example of how decisions on picking one level versus another are made (continued).
An example of how decisions on picking one level versus another are made.
There is a structured document—a repair standard—in which different levels of repair can be applied.
Procedure for inspecting systems to troubleshoot problems.
For larger pumps, however, a more thorough examination, documentation and restoration of internal concentricities must be done.
Part 2 of Jim Elsey's column: The System Is the Boss.
Jim Elsey discusses two main factors that make up a system curve for a single centrifugal pump in an open system with a flooded suction.
It is important to know when a slow-speed pump may be a better option.