Motors

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A new line of explosion-proof, inverter-duty motors provides a solution to the problem of electrical bearing damage caused by energy-saving inverters (also known as variable frequency drives) in p

Pumping systems account for a significant portion of a facility's energy use in many industries.

As the world's largest energy consumer, China is projected to consume two times more energy than the U.S. by 2040.

Since their inception more than 100 years ago, the two main types of motors in use have been open drip proof (ODP) and totally enclosed fan-cooled (TEFC).

Every pump industry professional faces the challenge of choosing the most efficient system for a particular application.

The U.S. Environmental Protection Agency (EPA) has adopted a comprehensive national program to reduce emissions from diesel engines.

Using multiple pumps that run in sequence—also known as running a lead-lag system—is a common way to meet varying pump system demand.

The U.S. Department of Energy (DOE) is empowered by congress to review efficiency regulations for covered products every five years.

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.

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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