Step screens

A step screen is used to separate solid impurities from water. A step screen can be used for the fine or raw screening of municipal and industrial waste waters, but it can also be used for the treatment of stormwater, rainwater and surface water. When used with a pressure sewer system, the step screen is installed into a metal channel. The model for installation into a concrete channel is used for the screening of water running in the channel.


  • wide range of dimensions
  • suitable for different kinds of water and waste water
  • installation into steel or concrete channels
  • maximum channel width 2.0 m, depth 2.5 m
  • spacing between plates 2–20 mm


ModelDimensioning [m3/h]
FW ST for steel channels100 – 1 500
FW for concrete channels200 – 6 000
FW two sets of plates in a frame for concrete channels5 000 – 10 000
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