Piping

Latest Piping Articles

In sewage grinder pumps, domestic wastewater from one or a few households flows by gravitation to a pumping station equipped with one or two grinder pumps, having a discharge pipe of nominal diame

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

Part One of this series (Pumps & Systems, August 2014), discussed the new American National Standards Institute/Hydraulic Institute (ANSI/HI 9.8) design standard requirements.

When discussing expansion joint selection, the conversation typically focuses on the quality, durability and capabilities of the expansion joint.

Last month’s column described the process of creating an energy cost balance sheet for a piping system (see Figure 1).

Piping plans for mechanical seals are used to improve the environmental conditions around a seal, extend its capabilities and allow operators to monitor seal performance.

My last column (Pumps & Systems, April 2014) explained why resistance in implementing pump system impro

Previous articles in this series explained how oversized piping systems can have higher operating and maintenance costs.

Process industries rely on vast piping systems and connected equipment that must be sealed safely to protect their employees, profits and the environment.

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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.

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.

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

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