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Quick Overview

Axial roof fan in the steel casing with the horizontal exhaust of air

Availability: In stock




  • Exhaust ventilation system for various premises for roof mounting. 
  • Compatible with Ø 250 round air ducts.


  • The fan casing is made of steel with polymeric coating.


  • The impellers are powered with two- or four-pole, single- or three-phase asynchronous motors with external rotor and built-in thermal overheating protection with automatic restart depending on the model. 
  • bearings in the motor ensure long service life. 
  • Motor protection rating IP 44.

Speed control

  • Both smooth or step speed control is performed by means of the thyristor or autotransformer controller. 
  • Several fans can be connected to one controller under condition that the total power and operating current do not exceed the rated controller values.


  • The fan is mounted on the roof directly above the ventilating duct or shaft and is firmly fixed to the flat surface by means of a connecting plate. 
  • While mounting VOK fans directly onto the flat roof a supporting block shall be provided to prevent water and snow drops into the vent of the ventilation shaft.


  • Voltage: 230 V
  • Power: 50 W
  • Frequency: 50Hz
  • Consumption Current: 0.22 A
  • R.P.M: 1380
  • Maximum air capacity: 800 m3/h
  • Noise Level: 55 dBA
  • Weight: 6.5kg
  • Spigot size: 250mm

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Το σχέδιο περιλαμβάνεται στο Σχέδιο Δράσης 2007-2009 του Εθνικού Προγράμματος Παραγωγικότητας 2007-2013 και συγχρηματοδοτείται από το Ευρωπαϊκό Κοινωνικό Ταμείο και τον Κρατικό προϋπολογισμό στο πλαίσιο του Επιχειρησιακού Προγράμματος «Απασχόληση, Ανθρώπινο Κεφάλαιο και Κοινωνική Συνοχή» 2007-2013.