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Lackeby Roto-Sieve®
Septic Unit

Lackeby Products has more than 50 years of experience in designing and manufacturing the Lackeby Roto-Sieve® drum screen during which time over 4500 units sold. Lackeby have now developed new models specially designed for septic sludge with an integrated screw press that can reduce the outlet height.

Lackeby Roto-Sieve® Septic Unit

The Lackeby Roto-Sieve® septic unit features include: automatic flow control, internal feeding of the septic sludge into the drum with variable diameter perforations assuring the best mechanical separation possible. The result is excellent separation of unwanted fibrous materials which are not desirable in wastewater treatment plants or sludge processing. Due to the high flow capacity, it is possible to quickly empty external septic sludge from tanker trucks. Aside from functioning as a septic sludge receiver, the unit can also be used for cleaning by-pass flows as well as overflows.


  • Rapid separation capacity and automatic cleaning
  • Designed specifically for septic sludge tanker discharges
  • No residual septic liquid post operation to minimise odour emissions
  • Low energy consumption
  • >20 year design life

Water and Wastewater Applications

  • Septic receiving (external sludge)
  • Overflow screening
  • By-pass screening

Case Studies

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