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Product description

Roof ventilators – axial. Characterised by very high efficiencies in the low pressure range. Designed for industrial use. Resistant to atmospheric conditions. Optionally, they can be made in a supply version.

  • Standard diameter range: 280 – 1250mm
  • Operating temperatures: -20 to +55°C
  • Installed motor powers: 0.18 – 5.5kW
  • Motor speeds: 1500, 1000 min-1
  • Motors fitted with closed bearings, maintenance-free
  • Motors adapted as standard for speed control by a frequency converter
  • Steel housings and canopies
  • Corrosion-protected housings – powder coating

Optional executions:

  • shielding mesh on inlet
  • explosion-proof
  • high temperature max: 105°C






  • Made of structural steel sheet. Fitted with a rolled flange from the casing shell with connection holes and rain canopy
  • Equipped with bolted or welded motor shelf
  • Protected against corrosion by powder coating. Painted in colour: RAL 9005 (black)

Housing optional:

  • Corrosion protection by hot-dip galvanising
  • Housing made of stainless steel, grade 1.4301
  • Aluminium enclosure
  • Painted in another RAL colour


  • Asynchronous 1 or 3 phase
  • Supply voltage: 3~ 230/400V; 400/690V
  • Insulation class: F
  • Degree of protection: IP 55
  • Cast aluminium or cast iron motor body

Motor optional execution:

  • Supply voltage: 440V, 460V, 500V, 1000V
  • Supply frequency: 60Hz
  • Efficiency class: IE4
  • Motor insulation class: H
  • Degree of protection: IP 56, IP66
  • Winding temperature sensors
  • Bearing temperature sensors


  • Blades made of glass fibre reinforced polypropylene, hub made of die-cast aluminium
  • Dynamically balanced to G-6.3 in accordance with ISO 1940-1