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ITT’s Flygt® N-hydraulic adaptive impeller technology eliminates wastewater pump clogging

2009-06-24 10:16:00

Singapore - June 23, 2009 – A unique anti-clog impeller technology for wastewater pumps, introduced today by ITT Corporation, significantly reduces maintenance and energy costs. The technology was introduced at the Singapore International Water Exposition. The new impeller moves axially to enable easy trash flow–virtually eliminating clogging under the most difficult of conditions. This impeller is now available for small Flygt N-series pumps from ITT’s Water & Wastewater business.

“This is a giant step in the development of our N-range for wastewater pumping,” said Ulf Arbeus, R&D Director of ITT Water & Wastewater. “The patented solution is quite simple but the benefits for the operators of pump stations are remarkable. Reliability and energy efficiency can now be significantly improved compared to present conditions. We are very excited to show this to the users out there.”

The new technology works like this: when trash enters the volute, the patented N-hydraulic pushes it from the center to the perimeter of the inlet. The new adaptive functionality makes it possible for the Flygt N-impeller to also move axially, enabling very large detritus to get through.

The innovative Flygt N-3085 features an adaptive impeller that significantly enhances the well-known anti-clog characteristics of the Flygt N-series. The impeller design coupled to a specially developed relief groove is self-cleaning. The patented combination dramatically reduces clogging risks, and has been used for 10 years at more than 500,000 installations worldwide.

Adaptive impellers now take the industry one step further. “Extensive trials in Europe and North America prove that Flygt N-pumps equipped with adaptive impellers not only eliminate major clogging problems but also have longer service intervals of up to four years,” says James Ahrgren, Product Manager at ITT Water & Wastewater.

In New Mexico, for instance, the new Flygt N-technology completely eliminated clogging at the main treatment plant serving the capital city of Santa Fe. Not one instance of clogging has occurred at the main clarifier scum. A Flygt N-pump equipped with the adaptive impeller 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 superintendent Luis Orozco. “My team no longer has to deal with the messiness of removing a pump and unclogging it and summoning a vacuum truck. The adaptive impeller innovation saves lots of time, money and headaches.”

Press contact:
Inger Rosén
phone: + 46 8 475 60 20

inger.rosen@itt.com

Singapore International Water Week 2009
We invite you to visit us at Singapore International Water Week 2009,
23rd - 25th June at the Suntec Singapore, Halls 401 to 404 on Level 4. Booth No: D14.

As a participant, ITT will cover a wide range of topics showcasing the breadth of our capabilities in water — from drinking water disinfection using UV technology to improving energy efficiency in industrial processes, and more. Please see below for a full schedule of presentations we will host at the ITT booth during the week.

SIWW09 brings together nearly 2,500 water experts from 130 countries. Its a great opportunity to renew old friendships and form new ones, which can help shape the future.

About ITT Corporation
ITT Corporation is a high-technology engineering and manufacturing company operating on all seven continents in three vital markets: water and fluids management, global defense and security, and motion and flow control. With a heritage of innovation, ITT partners with its customers to deliver extraordinary solutions that create more livable environments, provide protection and safety and connect our world. Headquartered in White Plains, N.Y., the company generated 2008 sales of $11.7 billion.

http://itt.com/

What can ITT Water & Wastewater do for you?
Integrated solutions for fluid handling are offered by ITT Water & Wastewater as a world leader in transport and treatment of wastewater. We provide a complete range of water, wastewater and drainage pumps, units for primary and secondary biological treatment products for filtration and disinfection, and related services. ITT Water & Wastewater operates in some 140 countries across the world, with own plants in Europe, China and North and South America. Headquartered in Sweden, ITT Water & Wastewater has 5,800 employees and turnover exceeding $1.6 billion (2007). The company is wholly owned by the ITT Corporation of White Plains, New York, supplier of advanced technology products and services.

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