VENTS - manufacture of ventilation and air conditioning systems

Axial roof fan VENTS VOK1 series

Axial roof fan VENTS VOK1 series

Axial roof fans in the steel casing with the horizontal exhaust of air and the air capacity up to 1700 m3/h.



Exhaust ventilation system for various premises suitable for roof mounting. Compatible with Ø 200 to 315 mm round air ducts.


The fan casing is made of steel with polymeric coating, impeller is made of aluminium.


Single-phase asynchronous motor with external rotor and built-in thermal protection with automatic restart. Ball bearings 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 VOK1 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.

Electrical connection and installation shall be performed in compliance with the manual and wiring diagram on the terminal box.


Series   Impeller diameter
  200; 250; 315


Technical support


Please, feel free to contact us.


Customer service.

+380 44 406 36 25

Contact information

Ukraine, 08150, Boyarka,
st 40 years of October, 36