Submersible Mixer Type ABS XRW 210 to 900

The XRW mixer range provides highly efficient motor solutions to match mixing tasks for agitating, blending, mixing, dissolving and suspension of solids in industry, municipal treatment plants and agriculture.


  • The XRW series includes several submersible mixers with integral motors ranging from 0.8 to 25 kW (1.2 - 35.5 hp) for agitating, blending, mixing, dissolving, and suspension of solids in municipal treatment plants, industry, and agriculture. 
  • 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 equiped with squirrel-cage induction motor of IE3 standard 
  • In the medium-speed rangeXRW400 and XRW650, IE3-equivalent permanent-magnet motors provides the lowest possible energy consumption 
  • The medium-low speeds mixer range XRW 900, are equiped with squirrel-cage induction motor of IE3 standard and a gear box as speed reducer.  
  • Sulzer support includes literature and computer software for sizing and design of each installation.

Main benefits

  • 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
  • As an Option Triple seal system with dual oil chamber enhances motor protection for full peace of mind

Main applications

  • Mixing and stirring applications in sewage treatment plants and industrial areas 
  • Homogenization of highly-concentrated sewage sludge

Main design features

  • Easy installation 
  • 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

Key characteristics

Maximum mixing flow
6,300 m³/h (28,000 US gpm)

Maximum propeller diameter

900 mm (3 ft)

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