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HUBER Pumping Stations Screen ROTAMAT® RoK4 Automatically cleaned fine screen with vertical lifting, dewatering and compaction of screenings

  • Prevents clogging and tressing in the pumping station
  • Compact unit, easy to fit into confined spaces
  • Dewatering and compaction of screenings
  • Optional frost-protected unit for outdoor operation
  • Sturdy, low-maintenance stainless steel design

Pumps and lifting units are used where wastewater needs to be lifted to a higher level so that it can be passed further on by gravity. However, the solids contained within the wastewater frequently lead to pump failure. Labour-intensive manual cleaning is required to restore the function of the units, or they may need to be replaced, both resulting in high long-term costs. Reliable solids removal is therefore the only alternative to maintain the operating stability of the pumps.

HUBER Pumping Stations Screen ROTAMAT® RoK4
HUBER Pumping Stations Screen ROTAMAT® RoK4
The HUBER Pumping Stations Screen ROTAMAT® RoK4 needs just little space
The HUBER Pumping Stations Screen ROTAMAT® RoK4 needs just little space
Screenings discharge into a bagger for odour-free disposal
Screenings discharge into a bagger for odour-free disposal
HUBER Pumping Stations Screen ROTAMAT® RoK4 with bagging unit
HUBER Pumping Stations Screen ROTAMAT® RoK4 with bagging unit
The plant is controlled by means of an installed level detection system
The plant is controlled by means of an installed level detection system
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Design sketch: HUBER Pumping Stations Screen ROTAMAT® RoK4
Design sketch: HUBER Pumping Stations Screen ROTAMAT® RoK4

Design and Function

Design sketch: HUBER Pumping Stations Screen ROTAMAT® RoK4
Design sketch: HUBER Pumping Stations Screen ROTAMAT® RoK4

The HUBER Pumping Stations Screen ROTAMAT® RoK4 is the ideal solution for this task, whether for new structures or refurbishment. Contrary to conventional screening systems which require manual cleaning, the screen surface of the HUBER Pumping Stations Screen ROTAMAT® RoK4 is cleaned automatically. The screen Vertically lifts the screenings, and dewaters and compacts them at the same time. The compacted screenings are discharged into a container or endless bagger for further disposal thus eliminating odour nuisance and pump failure due to clogging.

The screen consists of a vertical perforated screen basket and a shafted auger in a vertical tube. The wastewater flows through an inflow connection and a chamber into the screen basket. Within the screen basket the flights of the screw are equipped with wear-resistant brushes for effective cleaning of the screen. As the screenings are gradually elevated by the auger, they are dewatered. The compacted screenings are discharged into a container or endless bagger thus eliminating odour nuisance. The screened wastewater flows off by gravity or is pumped to a higher level. The filtrate drains through a hose back into the inlet chamber.

The top of the inflow chamber is open and serves as an emergency bypass so that the machine can be submerged without problems, e.g. in case of a power failure. The integrated bottom step prevents back-flooding into the sewer system and thus undesired deposits in the incoming sewer.

The benefits of HUBER Pumping Stations Screen ROTAMAT® RoK4

  • Automatic screening, lifting and compaction in a single compact unit
  • Optimal solids retention by means of two-dimensional screening (perforated plate)
  • Prevent clogging and tressing in pump stations and manholes
  • Integrated bottom step to prevent deposits in the incoming sewer
  • Easy to install into existing structures
  • Availability of completely submerging the screen

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Case Studies

HUBER Solutions in Operation

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