HUBER Multi-Rake Bar Screen RakeMax® Hybrid convinces with extensive practical experience

HUBER Multi-Rake Bar Screen RakeMax® Hybrid with the proven flow-optimising tear-drop shaped bars
Vienna main sewage treatment works: HUBER Multi-Rake Bar Screen RakeMax® Hybrid as a 3 mm fine screen with an extra large screen rack surface due to the 60° installation angle in the outlet area of the grit trap

Highly valued in the market and proven in thousands of installations all around the world, the HUBER Multi-Rake Bar Screen RakeMax® is well established in the market due to its versatility.

As a result of continuous further development another innovative screen model was developed years ago on the basis of the successful RakeMax®: the RakeMaxf® Hybrid. It is a modified design variant with a bar rack made of highly wear-resistant fibre-plastic composite.

By adding materials like glass fibre or resins for example the GRP profile bars are made suitable for applications with high mechanical loads and excel for their very high stability, deformation resistance and resistance to wear. Due to their high breaking elongation and elastic energy absorption the profiles retain their shape even under mechanical load, are highly flexible and return to their original shape. They also excel with a very high production precision, size accuracy and form stability so that even smaller bar spacings can reliably be maintained.

Another advantage of the RakeMax® Hybrid screen are the individually replaceable screen bars for quick and safe handling without the need for welding work.

The screen rack of the RakeMax® Hybrid is of course also available with the well-proven tear-drop shaped bars. The characteristic feature of this bar profile is a very low headloss. As a result, hydraulic throughput capacity increases compared to conventional flat steel profile or trapezoidal profile bars. This bar shape furthermore prevents jamming of solid material, such as gravel.

The RakeMax® Hybrid screen has proven its functional capability in daily operation and over long operating hours on several sewage treatment plants. With the use of the hybrid bar rack our customers benefit from functional advantages, especially with small bar spacings. Due to positive experiences in practical operation it was possible to create and implement another innovation in the field of mechanical wastewater treatment.

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