KUHN KSR-S step screens are predominantly used in the mechanical purification stage of municipal and industrial sewage treatment plants.

Advantages:

• Maximum throughput and separation capacity, low height loss
• Gap width 1–6 mm
• Especially applicable for narrow channels (>800 mm)
• Self-cleaning screen surface
  — no brushes or scrapers
  — no washing water consumption
• Narrowest side cheeks for maximum filter space with minimum space requirement
• Stable screen frame made of folded profiles with optimized strength characteristics
• Three-phase AC gear motor as drive unit encapsulated in separate housing (providing protection against aggressive and damp sewage vapors)
• Chain transmission with automatic chain tensioner
• Drive unit and bearings located above the waterline
• Removable covers for hygienic encapsulation above the flume
• Simple retrofitting in existing plants
• Simple maintenance
• Runs quietly
• No attachments necessary at the channel floor
• Machine can be pivoted out of the flume