Friday, 17 October 2014 10:36

NOV MONO HELPS INCREASE CAPACITY FOR PULP AND PAPER PRODUCER

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2014-10-17 103605 rov axeThe outstanding performance of NOV Mono pumps in demanding applications has again been highlighted by a recent project in Sweden. One of the country’s leading pulp and paper producers has invested in two Mono E-Range progressing cavity (PC) pumps which will be used in conjunction with the existing Mono™ equipment already in use at the plant in Stockholm.

Faced with the need to increase the capacity to pump coating compound from a storage vessel out to a paper coating machine, the customer approached pump solutions provider, AxFlow, who are a distributor of Mono products in Sweden. “The coating compound involved is extremely abrasive and highly viscous,” says AxFlow’s Sales Engineer in Sweden, Hans Lundkvist. “This meant that the pumps chosen had to be rugged enough to provide reliable performance and we know that Mono’s E-Range pumps would work perfectly as they are well proven in this type of application.

“As the customer already had a number of vertically mounted Mono pumps installed and was very satisfied with their performance, a pair of Mono E-Range belt-driven pumps were the obvious choice when they needed to increase capacity. The fact that they could be vertically mounted was another added benefit, as floor space was limited with this particular application.”

The coating clay in applications such as this are highly shear sensitive and can contain up to 75% solids, including kaolin, marble, carbonates and titanium oxide. It can also dry instantly, making it essential that the pumps used can prevent moisture loss, while still providing a gentle pumping action to avoid shear damage to the coating clay during transfer.

The vertically-mounted high pressure E-Range pumps offer outstanding reliability and efficiency for applications where particularly abrasive or viscous fluids are being handled.  They incorporate a helical rotor turning within a resilient rubber stator, providing a smooth low shear action which ensures the integrity of the coating mix remains intact. The pumps also feature Mono’s unique Flexishaft™ drive system that provides a single component link between the rotary motion of the drive shaft and the eccentric motion of the helical rotor.  The reduced number of moving parts in the drive train eliminates wear and makes lubrication unnecessary, eliminating the risk of contamination.  The Flexishaft design extends routine maintenance intervals and carries a 10-year warranty.

Mono’s PC pumps are regularly used in pulp and paper applications to handle a variety of aggressive liquids and slurries from coating compound and black liquor through to lime and waste sludges. Their positive displacement action allows for accurate volume control, while their rugged construction ensures long life, reliable operation and minimal downtime.

For more details on AxFlow, please visit www.axflow.com

For more details on Mono, please visit www.mono-pumps.com

AxFlow
The AxFlow Group is the largest distributor of positive displacement pumps and related products and services in Europe. The company represents world-leading suppliers, and adds considerable customer value by industrial know-how, fast and reliable deliveries and a wide range of technical services.

Established in 1989, AxFlow has continually focused on meeting the needs of, primarily, process industries across Europe. Our ambition is to meet the needs of local industry while, at the same time, offering one strategic distribution and customer service solution across Europe.

This has resulted in stable growth and unequalled presence in the fragmented European market.

NOV Mono Group
NOV Mono is a division of National Oilwell Varco. It comprises a group of specialist companies offering progressing cavity pumps,  artificial lift systems, industrial mixers, heat exchangers, grinders, screens and aftermarket replacement parts and services,  across a broad spectrum of industrial sectors including water and wastewater, oil and gas, chemical, pulp and paper, food and beverage and agriculture. The company first began manufacturing progressing cavity pumps in 1935 and industrial mixers in 1952, giving it a heritage of over 75 years that is built on world-renowned design, expertise and excellence.  The division has over 1,600 employees and a true global reach.  NOV Mono has facilities around the world including Australia, New Zealand, USA, Mexico, Singapore, China, South Africa , France and UK, which are supported by a large network of international distributor and representative partners.

National Oilwell Varco (NOV)
With its headquarters in Houston, TX USA, National Oilwell Varco has over 170 years’ experience as a leader in the design, manufacture and sale of equipment and components used in oil and gas drilling and production operations, the provision of oilfield services, and supply chain integration services to the oil and gas industry.  It has more than 100 subsidiaries and over 63,000 employees at over 1,200 sites around the world, plus annual revenues in excess of $20 billion. 

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