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TYPE KL-RQ

hopper feed pump Type KL-RQ

WANGEN pumps of the type KL-RQ have a transverse feed device for integrated bridge building and a collecting vessel for continuous feeding. They were designed for conveying dewatered sludge with a high content of dry matter (TS) ranging from 15% to 45%.



  • buffer volume up to 10 m³ possible
  • low Life Cycle Costs
  • good pumping performance even against high pressure
  • high dosing accuracy, also at low speed
  • high pressure performance
  • optimum service life even with difficult media
  • low-pulsation, continuous conveyance independent of pressure and viscosity
  • easy to maintain thanks to large cleaning openings
  • excellent metering, important for dryer and incinerator operation
  • unattended operation possible
  • constant metering because the discontinuous input is compensated by buffer volume in the collecting container
  • little space required, with large collecting container
  • modular design for high flexibility and short downtimes for maintenance and repairs
  • low construction with large container volume

The WANGEN pump serie KL-RQ convey dewatered sewage sludge.
  • from decanters
  • from chamber filter presses
  • from screen belt presses
  • for other feeding jobs
  • to storage areas
  • to silos
  • to dryers

  • sewage sludge
  • refinery sludge
  • dewatered sewage sludge up to 45 % dry substance
  • organic sludge

  • stator with s-cone inlet for optimum filling of the pumping chamber
  • fully developed, robust universal joint with pre-feeding screw
  • enlargement possible with add-on funnel
  • wear-protected, robust universal joint with feeding screw
  • flexible drive selection
  • robust bearing pedestal with close-coupled drive and self-centering of the drive
  • collecting container optionally in three standard sizes (1m³/h – 10m³/h), special sizes on request
Output 0.5 up to 80 m³/h (at 25-100 rpm)
Dry substance Content max. 45%
Free ball passage up to 150 mm