Screening systems

Screening systems

Which screen to choose?

In most cases, screens represent the first step of wastewater purification in sewage plants. Their function is to hold back coarse material with a dia¬meter larger than the width of the gap between the screen bars.

For channels up to 600 mm width, screens are not particularly designed to selectively hold back different impurities, such as stones or sand, hair, fibers and textiles or plastic objects. All these different impurities can shorten the screen service life and result in higher demands for servicing.

Depending upon the application and the specific requirements, the flow rates can vary, and so does the content and the dirt load. Naturally, screens with a smaller gap width will get clogged faster – however, they provide a better separation rate.

Contact us about the right product choice – we will gladly help you with our expert advice!
In practice, two systems are used:

  • with a direct inflow of wastewater to the screen from the sewer piping or wastewater stream or
  • with a pumping sump
Automatic screens

Automatic screens

Belt screens

Belt screens

 Lamella spiral screen

Lamella spiral screen

coarse drum filter

coarse drum filter

Straight screw screen

Straight screw screen

Vertical screw screen

Vertical screw screen

Circular bar screen

Circular bar screen

Contact

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Con-Tex GmbH
Watersolution
Einheitsstraße 22
57076 Siegen
+49 271 770 073 22
+49 271 770 073 24
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