A mixing solution for any wastewater challenge.

Hands down, EcoJet™ Direct Drive Mixers (DDM) provide the best value in the industry. Mixers from Aerator Solutions are a time-tested, proven solution achieving efficient operations for some of the most rugged and demanding mixing applications. Available in the SSS Series and SFG Series, the EcoJet™ DDM mixer has stood the test of time and continues to provide superior results, straightforward operation and easy maintenance.


  • Wide range of materials of construction
  • Proprietary TEFC Motor design with one-piece shaft
  • Motor base available in any type stainless steel
  • Floats available in stainless steel or fiberglass
  • Complete mooring and electrical accessories available
  • Optional equipment for special installation requirements

Choices, choices, choices.
No matter if you’re in the pulp and paper industry, or managing municipal wastewater, the EcoJet™ DDM offers a variety of options to meet your compliance requirements. Offering a vast range of horsepower and materials to bring versatility and performance to your operations.

Materials of construction

Standard model SSS Series SFG Series
Motor Shaft One-piece 17-4 PH stainless steel One-piece 17-4 PH stainless steel
Propeller 316L or 15-5 stainless steel 316L or 15-5 stainless steel
Motor Basse Assembly 304L stainless steel 304L stainless steel
Discharge Volute Assembly 304L stainless steel 304L stainless steel
Float Core 304L stainless steel 304L stainless steel
Float 14-gauge, 304L stainless steel shell, filled with closed cell polyurethane foam Fiberglass reinforced polyester shell, filled with closed-cell polyurethane foam

Design Features Motor

  • Totally enclosed, fan-cooled
  • Rated severe chemical duty
  • Class F insulation
  • Double-row bearings on drive end
  • Heavy-duty L-10, 100,000 hour bearings
  • Heavy-duty seals
  • Largest diameter shafts
  • Stainless steel hardware
  • Service factor of 1.15
  • Designed to meet demanding operational requirements

Motor Module

  • One-piece 17-4 PH stainless steel shaft
  • Shaft threaded and keyed on drive end
  • 135,000-PSI shaft yield strength
  • Dynamically balanced
  • Hydraulically balanced
  • Optimized motor module design minimizes vibration

Motor Base Assembly

  • 304L stainless steel or epoxy coated steel
  • Interlocking debris deflection in lower portion of assembly
  • Alignment of motor controlled by machined index
  • Double engagement of debris deflector provides protection of motor windings and bearings when motor is reversed
  • Deflector bearing located at end of motor base
  • Shaft runs free under normal operating conditions
  • Proprietary seal design


  • Precision investment casting
  • 316L or 15-5 stainless steel
  • Dynamically balanced
  • Keyed to mate to motor shaft
  • Secured by stainless steel locking nut
  • Simple installation or removal
  • Anti-fouling, non-cavitating for greater operational efficiency


  • Largest one-piece floats available
  • Fiberglass reinforced plastic or 14- gauge, 304L stainless steel
  • Engineered to provide stability
  • Filled with closed-cell polyurethane foam adds stability and prevents possibility of sinking if damage occurs to float exterior

Discharge Volute Assembly

  • 304L stainless steel
  • Reinforced with gussets to maintain dimensional integrity
  • Volute is transitioned to retain more velocity of fluid for improved performance
  • Advanced hydraulic features maximize mixer efficiency