Our Large Blade Agitator GFR at a glance


  • Electric motors 7,5kW
  • Three phase motors 400 V, 50 Hz, 1,450 rpm
  • IP68 protection category, insulating category F = 155 °C
  • Operation only with soft starter
  • Motor housing in 1.4301 stainless steel
  • Oil filling in motor compartment
  • Thermo-control for each phase as overheating protection
  • Cast iron gearbox housing coated with 2-component plastic lacquer
  • Slide ring seal as gearbox seal
  • Oil fi lling in gearbox
  • Three-stage planetary gear with 27 rpm propeller speed
  • Electric cable with special double-shell PU external sheath
  • 1.4301 stainless steel slide bearing for 100 x 100 mm guide rail
  • Agitated medium temperature up to max. 50 °C
  • Propeller made from high-strength cast polyamide with steel reinforcement Ø 2.10 m



  • For exceptionally high fl ow rates
  • Agitation and/or homogenisation of bio-mass in biogas plants and industrial sewage



  • Smooth design prevents fi brous materials from accumulating
  • Good thorough mixing horizontally and vertically
  • Smooth and gentle mixing
  • No adjusting required
  • Low energy consumption
  • Good degree of effectiveness with high dry matter content thanks to a large propeller diameter
  • Can be retrofi tted in any system with 100 x 100 mm, 120 x 120 mm, 150 x 150 mm guide rail


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