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Brian Emery
Applications Engineer

Aqua-Lator® Direct Drive Mixers

Efficient high-speed surface mixers available in sizes from 3 HP up to 75 HP.

​A proven solution for mixing applications, Evoqua's Aqua-Lator® Direct Drive Mixers provide the performance and reliability needed in anaerobic and anoxic tank mixing.  Utilizing a powerful downward propeller-driven pumping action, the Aqua-Lator® Direct Drive Mixer helps disperse oxygen while keeping solids in suspension for optimal biological activity.  These mixers can be added to almost any basin with little or no modifications.

Sink or Swim: A Comparison of Submersible and Surface Mixers for Anoxic and Anaerobic Tank Mixing
>>Learn more and Download a White Paper



  • Aerated lagoons
  • Stabilization basins
  • Sequencing Batch Reactors (SBR)
  • Activated sludge treatment plants
  • Aerobic digestion

 Key Benefits

  • ​Low operating costs
  • Trouble-free performance
  • Anti-fouling, non-cavitating precision cast stainless steel propeller


  • ​Range of sizes – 3 to 75 hp
  • Wide variety of materials of construction
  • Dynamically and hydraulically balanced motor module
  • Largest one-piece floats available – stainless steel or fiberglass reinforced plastic
  • One piece stainless steel shaft
  • Stainless steel discharge volute designed to maximize mixer efficiency
  • Optional discharge volute extension for deeper mixing
  • Unique patented Oxygen Transfer Eliminator (OTE)
brian.emery@evoqua.com Aqua-Lator® Direct Drive Mixers