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Each day billions of gallons of treated drinking water are lost from the leaking distribution systems of public water suppliers. The U.S. Environmental Protection Agency (EPA) estimates that water losses are responsible for more than $2.8 billion in lost revenue each year for water suppliers across the nation.

At least 750 million people lack access to clean water across the globe. One out of 9 people lacks access to improved sources of drinking water. Engineering nonprofit Design Outreach is working to close the gap between water need and water access. In partnership with World Vision, SEEPEX and private donors, the LifePump is changing lives from Zambia to Malawi and beyond.

Automated methods first emerged from the aircraft propulsion industry and became available to a wider audience in the mid-1990s. The first optimization products promised radical improvements in the design process but were expensive.

Reporting from the International Water Summit, Abu Dhabi, UAE

It is essential to the production of electricity and other energy, to agriculture and industrialization, to comfort and progress.

Clean Water Services (CWS), a water reuse provider in Oregon that serves more than 500,000 residents, has partnered with local organizations to educate the public about the importance of wastewater reuse.

I received many comments from Pumps & Systems readers on "How to Calculate Pump Specific Speed" (Pumps & Systems, January 2015) and "How Efficient Is Your Pump?" (Pumps & Systems, February 2015).

Diaphragms in pumps and valves isolate liquid from mechanical components. Diaphragm pumps and valves work well in applications with pressures that cause recirculation in centrifugal pumps and excessive wear in positive displacement pumps and valves.

Although they have been around nearly as long as the oil industry itself, production additives—chemicals that help move crude through the flow stream faster—rarely receive more than a fleeting consideration. However, with cost pressures as well as health, safety and environmental (HSE) concerns on the rise, oilfield and refinery professionals are realizing the benefits of additives.

Proper grinding and removal of waste and debris from the production stream is one of the most important steps to maintaining an efficient and reliable oil refining operation. Debris accumulation can cause damage to the pipeline and pumps as well as create safety hazards for operators who must clear the waste by hand after it clogs the pipeline.


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.


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

Cahaba Media Group

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