Pumps
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Selecting the right motor technology for miniature pumps

PROPER MOTOR selection is critical to the efficient operation of miniature pumps in demanding flow or pressure/vacuum tasks. But with the spectrum of applications covering a huge range of different price to performance needs, the design considerations can be complex. Dave Beckstoffer offers guidance for selecting the right motor for a given pump application

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news

Back mixing technology increases throughput

A SEEPEX engineered solution encompassing progressive cavity pumps for dewatered sludge back mixing has increased throughput at Anglian Water’s Cotton Valley cake import facility by 50%, enabling the site to generate more biogas, and delivering significant savings in logistics and storage costs

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Two pumps prove better than four

REPLACING FOUR fixed-speed pumps with two variable speed-controlled pumps has increased pumping capacity, improved reliability and significantly reduced noise for Anglian Water’s Kentford Moulton site, near Newmarket. Four 11 kW line shaft-driven pumps installed in 1992, running without variable speed control, have been replaced with two 45 kW submersible sewage pumps, controlled by two ABB water drives.

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product

Improving motor spec to boost pump efficiency

FOR THE past two decades, equipment manufacturers, users and regulators have been tackling excessive energy consumption. This has led to the development of higher efficiency standards for motors and the adoption of variable speed drive (VSD) technologies to better match energy use and demand

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