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hygienic hopper feed pump Type KL-RF Hygienic

The hygienic hopper feed pumps of the series WANGEN KL-RF have an inspection cover, a maintenance-free mechanical seal, which is independent of the rotation direction, and the dis-charge nozzle has a self-emptying design. The KL-RF is available with different rotor/stator geometric forms (S-, L- and H shapes).
Max. flow rate (m³/h)
Max. differential pressure (bar)

Benefits and Characteristics

  • maintenance-friendly
  • rational and functional design
  • gentle pumping
  • optionally with heating or cooling jackets
  • compact design
  • long service life
  • low Life Cycle Costs
  • easy, space-saving assembly
  • quick and easy manual cleaning
  • excellent price/performance ratio

Fields of Application

With the hygienic WANGEN KL-RF pump products are pumped in a particularly gentle way and can be optionally heated or cooled. A strength of the KL-RF is its use in plasticising blocks of fat or butter. Upon request, feed aggregates are also possible in special designs, as well as a version with an extension funnel.
  • loading
  • conveying media

Suitable for the following media

  • butter
  • ice cream
  • butter - and margarine blocks


  • inspection port
  • service-proven sealing systems
  • maintenance-free mechanical seal independent of the sense of rotation
  • various rotor/stator geometries (S, L and H geometry)
  • stator with s-cone inlet for optimum filling of the pumping chamber
  • easy cleaning thanks to construction with little dead space
  • encapsulated mechanical seal, single or double acting, rinsed by the product
  • materials with FDA certificate on request
  • special feed unit versions possible
  • enlargement possible with add-on funnel
  • discharge flange with self-emptying design
  • CIP (Cleaning in Place)
  • robust bearing pedestal for high force transduction
  • robust bearing pedestal with close-coupled drive and self-centering of the drive
  • driven by helical geared motor
  • specially designed joints
Output 4,5 - 22 m³/h
Free ball passage up to 95 mm

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