Multi rake screen KHU-Boomerang XL

The KHU Multi-Rake Screen KHU-Boomerang XL is the latest generation KHU multi-rake screen, improving on the standard configuration and designed to suit a large range of applications.

The focus of the new development was to achieve maximum flow rate with minimal head loss, while ensuring optimum and steady removal of captured screenings. The new KHU-B XL multi-rake bar screen pushes screening to the limit and beyond!


  • Suitable for very large hydraulic heads and channel widths
  • Designed for the largest possible wastewater capacities
  • Optimized flow with approximately 30% higher throughput
  • Total removal of screenings from the channel bottom, thanks to the Boomerang design
  • Not affected by stones or gravel
  • Simple machine care
  • Space-saving installation thanks to an almost upright position of 80°
  • Open system frame prevents side frame losses
  • Very low blockage thanks to selected forced engagement of the rake combs into the screen grate
  • Utilizes wedge wire bar profile to reduce blockage of the screen grate
  • Highest cleaning speed available, expandable through additional clearing bars
  • Drive chain in hardened high-grade steel (no steel or plastic tracks)
  • Easily interchangeable segmented rake comb boards in hardened materials
  • Solid system frames with well thought out maintenance openings
  • No fastening required on the channel floor
  • Fully automated cleaning operation (no brushes or spray wash systems)
  • Temporary running in reverse for self-cleaning of the screen grate possible
  • Available in separable construction for difficult installation conditions
  • Electromagnetic overload protection
  • Optional inspection glass
  • Optional: two different broaching speeds