Piping

Latest Piping Articles

I received a lot of feedback on my column “How Much Energy Do Pipes Remove?” in the September issue of Pumps & Systems

Last month’s column discussed the pre-screening process that identifies and prioritizes systems with a high probability of significant energy savings.

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

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Columns

For those of you old enough to remember Lawrence Welk, you’ll notice that the title of this brief column is the final quote from his show’s closing song. I am still a loyal fan of his reruns today.

Despite its name, pump specific speed (NS) does not have much to do with the actual speed of a pump.

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

Blogs

Today marks the final day of the 2015 International Water Summit (IWS), a gathering of water and sustainability experts from around the globe. Thousands gathered in Abu Dhabi this week to discover solutions to problems such as water scarcity and efficiency.

Previous “Pump System Improvement” columns covered the assessment of simple systems with a single load. The system discussed in this column has multiple loads. Figure 1 is a schematic of a piping system under evaluation.

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Upstream Pumping

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