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Flygt announces the release of the innovative Adaptive Impeller version of the very successful Flygt N-Pump. The new enhanced design allows the N-impeller to move axially to allow easy passage of trash flow-virtually eliminating clogging even under the most difficult conditions. This advanced design is now available for small Flygt N-series pumps from 2.2-hp through 10-hp.

"This is a giant step in the further development of our N-series of wastewater pumps", said Ulf Arbeus, R&D Director of Xylem Water Solutions. "This patented solution is quite simple but, the benefit provided to the operators of pump stations is remarkable. Reliability and energy efficiency can now be significantly improved compared to their existing operations. We are very excited to launch this design to the market".

The new technology works like this: when larger pieces of trash enter the volute, the patented Adaptive version of the N-impeller allows the impeller to rise momentarily, axially upwards enabling very large debris to pass the impeller. After passage of the debris, the N-impeller immediately returns to the normal operating position in close proximity to the volute insert ring.

Adaptive impeller design now takes the wastewater industry one giant step further. "Extensive field trials in Europe and North America have proven that Flygt brand N-pumps equipped with adaptive impellers not only eliminate major clogging problems but also deliver extended service intervals" says Bob Domkowski, Business Development Manager for Transport Pumping of Xylem Water Solutions- Flygt.

In New Mexico for instance, the new enhanced N-technology completely eliminated clogging at the main WWTP serving the capital city of Santa Fe. Not one instance of clogging has occurred at the clarifier scum pit. A Flygt N-pump equipped with the adaptive impeller design easily coped with huge amounts of trash like plastics, rags, baby wipes, straws and much else.

"We are more than impressed", said Santa Fe plant superintendant Luis Orozzo. "My team no longer has to deal with the messiness of removing the pump and unclogging it and summoning a vacuum truck. The adaptive impeller saves lots of time, money and headaches".

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