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Coperion will exhibit wear-protected rotary and diverter valves at Powtech 2010, which will take place 27 – 29 April in Nuremberg.

Wear-protected rotary valves and diverter valves are distinguished by their outstanding reliability of operation, long service life and minimal repair-and-maintenance requirements.

This makes them ideal for use in the mineral industry.

In the cement industry, for example, one of the essential advantages of Coperion’s rotary valves compared with the more conventional screw pumps lies in the considerable saving in energy.

Power requirements – and hence energy costs – are reduced by more than 90 per cent compared with systems equipped with screw pumps.

This alone, despite the slightly higher capital investment in most cases of application, will allow the user to recuperate their investment in a very short time.

Added to this is the fact that wear-protected rotary valves provide a longer operating life by up to 50 per cent, this having been proved in the mineral industry by several cases of long-term application of up to three years.

A further decisive advantage is the negligible time – and hence cost – of converting a system for use with rotary valves.

Either none or negligible changes have to be made to the layouts of the piping system and the compressed-air supply lines.

Rotary valves are relatively small compared with conventional systems.

To tailor-wear protection exactly to the customer’s needs, Coperion has developed a comprehensive six-step wear-protection concept.

Coperion Waeschle

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