• Fast and precise installation
  • Available for tanks of up to 40m in diameter
  • Scum removal device option is available
  • Hot dip-galvanised carbon steel, 304 L / 316 L SS
  • High removal efficiency of sludge and floating matter
  • Ease of maintenance
  • Easily retrofitted to existing basins


Suction Lift Settling Tanks are used for the removal of biological sludge and floating particles in municipal and industrial wastewater treatment plants.

Construction breakdown:

  • Material for the rotating bridge is predominantly mild steel painted to specification or hot dipped galvanised for smaller units.
  • Submerged components are manufactured from galvanised steel, 3CR12 or stainless steel.
  • Bridges are manufactured from a heavy section Z formed bent plate or pipe which both have a built-in centre camber.
  • The central, large diameter heavy-duty turntable bearing ensures sufficient axial and radial load bearing capacity.
  • The drive and idler wheel assembly is robust and fully enclosed for safety purposes
  • Scum removal systems can be supplied for all clarifiers. Scum baffle brackets are designed for vertical and horizontal adjustments in order to fix the scum baffles in a true circle, allowing for tolerances within the civil structure

The V-notch weirs are laser-cut for accuracy and installed with a non-permeable sealer strip to ensure a good seal.

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