External rotary screen

  • Maximum separation efficiency
  • Low running and maintenance cost
  • Open structure


Larger solids may represent a significant fraction of the total pollution load.  They can cause blockage of important parts of the wastewater treatment and may dissolve quickly making it more difficult to remove them from the wastewater. Hence a screen is applied to remove larger solids from the water.

This screen has a self-cleaning ability, reducing its every day cleaning requirement. The self-cleaning ability is a result of the shape of the slots of the screen. The screen plate is slightly curved and consists of triangular shaped wires that have been welded on support rods. The distance between the wires is smallest on the outside and biggest on the inside. The triangular shape of the maze makes it very difficult to block.


Marel offers a range of service solutions to prevent failures, maximize performance or in case of unexpected breakdowns remote or onsite assistance.

Marel has offices in 30 countries across all regions, and a global network of highly skilled professionals that provide remote as well as onsite service support. We provide quality spare parts and customized service agreements for our customers to ensure optimal performance of Marel equipment.


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Our dedicated team is here to help and answer any questions you might have.

We look forward to hearing from you, and we will do our very best to get back to you as soon as possible.

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