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Germany, Austria, Switzerland


Passavant® Mammutrotor®

Gänserndorf, Austria

The customer requested 6 several surface aerators Passavant® Mammutrotor® inclusive guide baffle, brake shield and other equipment for the wastewater treatment plant Gänserndorf in Austria.


Since start-up, the Mammutrotors have been running completely satisfied without significant problems.
The technical support complies withthe agreements therefore gwt could certify Passavant® the required expertise, efficiency and reliability based to the aforementioned treatment plant.


The first delivery included several 7.5m Mammutrotors and took place in the middle of 2014. The second delivery took place in spring 2015 and included further 4.5m Mammutrotor®.


  • Particularly robust operational mode and long service life
  • Constant oxygenation over entire operation time
  • Low maintenance
  • Flexible use regarding to automatic control strategies and cleaning objectives
  • No negative influence based on oxygenation by any sewage ingredients

Technical Data

  Passavant® Surface Aerator Mammutrotor®  Passavant® Surface Aerator Mammutrotor® 
Quantity 2 4
Type MR 1000-7.5 MR 1000-4.5
Nominal length of the rotor 7.5 m 4.5 m
Diameter 1000 mm 1000 mm
Propulsion 37 kW 22 kW
Rot. frequency 72 min-1 72 min-1
Installation under concrete bridge (Installation by customer) under concrete bridge (Installation by customer)
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