Latest Features

Solids content, water quality and flow requirements affect sewage pump design.
Discharges flowing through the bearings put motors at risk.
Pent-up demand in chemical and manufacturing industries will also contribute to the increase in market activity.
These systems can be as simple or as complex as needed to suit the specific environment or application and have the ability to be positioned below ground level without access issues.

Q. What is a string test, and when should one be specified?

Cellular messages alert operators of low water levels, well pump leakages and power outages.
The Benton/Washington Regional Public Water Authority saved on energy costs and gave dependable service to its customers after replacement.

Blogs

The global water crisis claims 5,500 lives each day—more than war, natural disasters, AIDS or hunger. It is a sobering problem but not an impossible one to solve.

Michael Lambert

Beautiful, inspiring, even haunting—these are some of the words that describe the National 9/11 Memorial fountains in New York.

Columns

Power factor (PF) is an important component of an alternating current (AC) circuit, but understanding its actual effect can be difficult. Why is PF mysterious to many of us? It has to do with the way it is explained.

In past “Pumping Prescriptions” columns this year, I have discussed the procedure of piping size selection when given the process flow requirement and how this affects the pump’s power consumption. In this column, two computer calculation tools will be detailed.

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

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