The compensator can be submerged up to 20 metres (up to 100 metres as a special version), and so the mixer can also be installed at the bottom of any tank.


  • Adjustable angle
  • Electric, hydraulic or tractor operation available
  • Low-wear mechanical seal

Additional advantages

  • Outdoor stand for steel tanks available
  • Made in Germany

Business areas

  • Biogas sector
  • Industrial use

Suitable for

  • Gravity tank
  • Earth reservoir

The corresponding installation components can be manufactured. The mixer can be installed or removed from the outside without a person having to work in the tank. The Fermix can be supplied with geared motors of 7.5 kW to 22.0 kW. The gearbox transmits a high level of torque to the mixing paddles. Depending upon the version, the paddle speed is 300–400 rpm.

Standard equipment:

  • Mixer tube Fermix type, standard length 3200 mm, galvanised
  • Sealed with SiC / SiC mechanical seal
  • Taper roller bearings/ roller bearings in oil bath
  • Mixing propeller, pusher
  • Geared motor

Additional items and special equipment

  • Concrete formwork for the through-wall installation frame, galvanised or stainless steel
  • Fixed, non-adjustable through-wall installation frame
  • Angle-adjustable through-wall installation frame with compensator for up to 20°
  • Geared motor with ATEX approval
  • Geared motor - special voltage
  • Mixer lengths up to 5200
  • Manhole
  • External mounting for fastening to steel tank
  • Components that come into contact with the medium are made of stainless steel
  • Hydraulic motor
  • Oil Reservoirs made of PVC or stainless steel

Specifications are subject to change without notice.