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Axial roof fan VENTS VOK1 series

Axial roof fan VENTS VOK1 series
Axial roof fans with the air capacity up to 1700 m³/h in the steel casing with the horizontal exhaust of air.
Model features
  • Extract mode
  • Roof fan
  • Ball bearings
  • Description
  • Modifications
  • Capacity diagram
  • Downloads
  • Designation key
  • Exhaust ventilation systems for commercial, office and other public or industrial premises 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.

  • 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.

Modification name
Capacity diagram
Capacity diagram
  • Selection method:
  • Air flow:
  • Pressure:
Operating point
  • Air flow: --
  • Pressure: ---
Select document type
  • Advertising and printing products
  • Certificates
  • Technical documentation
"VKV, VKH, VKV EC, VKH EC, VKMK, VKMKp, VOK, VOK1" user's manual 01-2021 (V12EN-09) (pdf 1.96Mb)
"VENTS VOK1" product description 03-2021 (pdf 476.8Kb)
Download high quality image "VENTS VOK1" (psd 1.89Mb)
Declaration of сonformity "VOK, VOK1" (pdf 1.65Mb)
"Roof fans accessories" product description 02-2016 (pdf 132.53Kb)
Download image "VENTS VOK1" for your website (png 427.14Kb)
Designation key
Designation key
Series Impeller diameter
VENTS VOK1 200; 250; 315
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