Sulzer ABS XRW mixer

The most energy efficient mixer for agitating, blending, mixing, dissolving and suspension of solids in wastewater treatment plants.


The XRW series includes several submersible mixers with integral motors ranging from 0.8 to 25 kW (1.1-34 hp)

Sulzer offers highly efficient direct-driven and gear-driven mixers with either standard or explosion-proof motor enclosures.

The high speed mixer range XRW 210 and XRW 300 are equipped with squirrel-cage induction motor of IE3 standard. In the medium-speed range, IE3 equivalent permanent-magnet motors provides the lowest possible energy consumption. The medium-low speeds mixer range XRW 900, are equipped with squirrel-cage induction motor of IE3 standard and a gear box as speed reducer.


  • small space requirements
  • premium-efficiency IE3 motors or equivalent
  • mechanical seal protected by a solids deflection ring
  • seal monitoring using multiple sensors
  • Thermo-Control System (TCS) provides timely warnings and auto switch-off


  • lowest energy consumption
  • compact, water pressure-tight design
  • full stainless steel version available
  • shorter mixing times
  • minimal risk of motor overloading
  • superior reliability and long operating life


  • mixing and stirring applications in sewage treatment plants and industrial areas
  • homogenisation of highly-concentrated sewage sludge



Model #DescriptionFile
Sulzer ABS XRW MixerBrochureDownload