STEP SCREEN®s

Cost-effective separation and transport of screenings

  • for high separation efficiencies
  • for any flow rate
  • with optional lifting of screenings at bottom level

The success and broad acceptance of the STEP SCREEN® system is due to its function, the easy-to-understand operation method, the simple cleaning method without any aids (self-cleaning effect according to the counter current principle), easy servicing, its ability to handle very large screenings volumes and its operating reliability.

Contacting us means speaking with a partner who has more than 20 years experience with screens, their layout, construction, manufacture, operation and after-sales service and with 12,000 references worldwide is the unrivalled market leader in mechanical preliminary wastewater treatment.

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Principial sketch

Principial sketch

Phase 1: The arriving screenings collect on the steps and form a carpet.
Phase 1: The arriving screenings collect on the steps and form a carpet.
Phase 2 + 3: The complete screenings carpet is lifted and transported by rotation of the moveable laminae.
Phase 2 + 3: The complete screenings carpet is lifted and transported by rotation of the moveable laminae.
Phase 4: The screenings carpet is laid down on the next step above.
Phase 4: The screenings carpet is laid down on the next step above.

Benefits

Benefits

  • Lifting of screenings at bottom level due to a special bottom step design
  • Gentle and complete screenings transport due to the counter-current principle
  • Optimally adjustable to individual constructional conditions
  • High capacity; the flow passes the screen surface only once
  • High separation efficiency due to the narrow slot width and the produced screenings carpet
  • Self-cleaning effect due to movable lamellas (no spray water, no brushes)
  • Very high operational stability: Reduced susceptibility to grit, gravel and stones due to the bottom step washing system
  • Very good corrosion protection: manufactured from stainless steel and acidtreated in a pickling bath
  • Unrivalled experience for more than 20 years