Flumen OPTI TR 20 - TR 40

High-Speed Submersible Mixers


  • Mixing deposits and solids in rain spillway basin and pump sump
  • Breaking down of sludge layers
  • Agriculture
  • Water supply
  • Wet Wells

Thrust: 11-74 lbf (45 - 330 N)

Features & Benefits

  • Low clogging rate and reliable operation thanks to optimized hydraulics
  • Low-wearing, due to the use of stainless steel precision-cast propellers with the lowest cavitation tendency
  • A wide range of possible uses in diverse applications,even at high-interval running times
  • Reduction of the energy and operating costsdue to the standard use of IE3 motors (TREmodels) for the best possible thrust coefficient
  • High flexibility thanks to the most diverseinstallation options and accessories

Technical Data

  • Submerged operating mode: S1 (continuous duty)
  • Max Temp: 104°F (40°C)
  • Protection class: IP 68
  • Permanently lubricated anti-friction bearing

Materials of Construction

  • Stainless Steel Motor Shaft (optional)
  • PUR or Stainless Steel Propeller
  • SiC/SiC Combination Mechanical Seal

Installation and Operating Manual



Submersible Mixers

Find your Wilo representative

Click below to get in touch with your local Wilo supplier: