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Comprehensive testing revealed unexpected relationships.

Q. What principles drive the pumping action in a controlled-volume metering pump?

In 2014, the Franklin Wells for the World Foundation (FWWF) completed a project in the Chibombo District of Zambia, South Africa.

These components do not have to be sealed from harsh operating media.

The governments of the Gulf Cooperation Council (GCC)have recently spearheaded strong initiatives to diversify their nations' domestic energy mix.

Out of the millions of hand pumps that have been installed around the world to provide water to developing communities, an estimated 50 to 70 percent are broken.

IoT provides flexibility for plants and other facilities, but system types and security must remain top priority.
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Total cost of ownership encompasses far more than just pricing.

The Jordan, Knauff & Company (JKC) Valve Stock Index was down 20.6 percent over the last 12 months, while the broader S&P 500 Index was up 9.6 percent.

Combined monitoring and control software options help provide flexibility and improve uptime.


More than 6,500 kilometers separates Frankfurt, Germany, and Dubai, UAE. To the average traveler, this distance might sound intimidating.

Amelia Messamore

Supplied by Design Outreach in partnership with World Vision, SEEPEX and private donors, the LifePump is a progressing cavity pump that can reach depths of 325 feet—more than twice that of a typical hand pump.


A common myth in the industry is that new pumps are shipped ready to “plug and play.” Assuming their new equipment has arrived fully equipped to run, end users often start new pumps with no oil in the bearings—one of the most common pumping mistakes.

I received many comments from Pumps & Systems readers on "How to Calculate Pump Specific Speed" (Pumps & Systems, January 2015) and "How Efficien

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

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.

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Total cost of ownership encompasses far more than just pricing.


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