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VENTS VOK1 250


Axial roof fan with the air capacity up to 1070 m³/h in the steel casing with the horizontal exhaust of air.

  • Description
  • Characteristics
  • Capacity diagram
  • Downloads
  • Dimensions
  • DESIGNATION KEY
Description
Description
APPLICATIONS
  • Exhaust ventilation system for various premises suitable for roof mounting.

  • Compatible with Ø 200 to 315 mm round air ducts.
DESIGN
  • The fan casing is made of steel with polymeric coating, impeller is made of aluminium.

 
MOTOR
  • 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.

MOUNTING
  • 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.

Characteristics
Characteristics
Parameter VOK1 250
50 Hz
VOK1 250
60 Hz
Measurement unit
Phase 1 1 ˜
Voltage 230 230 V
Frequency 50 60 Hz
Power consumption 68 76 W
Current 0.48 0.51 A
Max. air capacity 1070 1050 m³/h
RPM 1300 1450 min-1
Noise level at 3 m 48 48 dBА
Maximum transported air temperature 40 40 °С
Protection rating IP 24 IP 24 -
Mass 7.2 7.2 kg
Capacity diagram
Capacity diagram
  • Selection method:
  • Air flow:
  • Pressure:
Operating point
  • Air flow: --
  • Pressure: ---
Files archieve
Downloads
Name
User's manual "VKV, VKH, VKV EC, VKH EC, VKMK, VKMKp, VOK, VOK1" (pdf 3.37Mb)
Brochure "VENTS VOK1" (pdf 651.08Kb)
Download high quality image "VENTS VOK1" (psd 1.89Mb)
Declaration of сonformity "VOK, VOK1" (pdf 1.65Mb)
Brochure "Roof fans accessories" (pdf 129.67Kb)
Download image "VENTS VOK1" for your website (png 427.14Kb)
Dimensions
Characteristics
VENTS  VOK1 250
Parameter Value Measurement unit
∅D 262 mm
∅D1 405 mm
H 300 mm
L 425 mm
L1 330 mm
DESIGNATION KEY
DESIGNATION KEY
Series Impeller diameter
VENTS VOK1 200; 250; 315
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