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Industrial Applications

Can a Timing Belt Improve Pumps Performance?

The German pump manufacturer Netzsch Pumpen & Systeme employed Contitech belt drive to increase the efficiency of its rotary lobe pump and reduce maintenance in sensitive applications, like Food & Beverage

Posted on November 9, 2017 - ( views)

by Sara Ibrahim

ContiTech heavy-duty timing belts can significantly improve the performance, installation and maintenance of pumps in sensitive applications. For example, the T2 series, the second generation of the Tornado rotary lobe pump manufactured by Netzsch Pumpen & Systeme GmbH from Waldkraiburg, Germany, uses a belt drive instead of the usual timing gear.

In this application, a ContiTech heavy-duty timing belt from the Synchroforce family transmits the torque from the motor to the two rotors while synchronizing their rotation at the same time. The pump therefore operates entirely without oil; no need for lubrication and oil changes, while contamination of the conveyed material and pollution of the environment are ruled out.

The belt drive also enables the pump to be very robust and low-maintenance since the hard-soft contact between the belt and the sprockets ensures very smooth running. Should a fault nevertheless occur, the belt can be removed by loosening just two bolts and be replaced within just a few minutes without any special tools.

T2 Pump Series

The T2 series’ particular drive form enables an especially compact design with a comparatively low weight and extremely shallow depth. The unit can therefore be installed even where space is tight. This can be seen in the T.Sano, a pump from the T2 series that Netzsch developed specially for the food and beverage industry and for which, as a result, all the parts in contact with foodstuffs are made of stainless steel.

The low-pulsation rotary lobe pump enables precise metering when bottling water or wine. At the same time, thanks to its continuous performance, it ensures a gentle, continuous material flow over the entire route conveyed, without pressure fluctuations or turbulence.

This means a sensitive product such as wine can be conveyed gently to maintain its quality from the storage vessel to the filtration or bottling line. Even champagne and other sparkling wines can be conveyed gently, retaining the pressurized carbon dioxide, as demonstrated by the use of a T.Sano pump in a winery in Northern Italy.

The really compact dimensions of the T.Sano pump made possible by its belt drive also enable it to be used in mobile applications, a facility which a number of wineries and breweries are already making use of. They can use just a single pump to pump material from various tanks, as required.


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About : ContiTech Antriebssysteme GmbH

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Vahrenwalder Strasse 9

30165 Hannover

Tel.: +49-511-938-02
Fax: +49-511-938-81770


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