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    VENTS VOK1 250

    VENTS VOK1 250
    • VENTS VOK1 250
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    • VENTS VOK1 250
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    Axial roof fan with the air capacity up to 1070 m³/h in the steel casing with the horizontal exhaust of air.
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    • 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
    IP Code IP 24 IP 24 -
    Weight 7.2 7.2 kg
    Capacity diagram
    Capacity diagram
    • Selection method:
    • Air flow:
    • Pressure:
    Operating point
    • Air flow: --
    • Pressure: ---
    Files archieve
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    • Advertising and printing products
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    • Technical documentation
    Name
    Download
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    "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)
    Dimensions
    Characteristics
    VENTS VOK1 250
    Parameter Value Measurement unit
    ∅D 262 mm
    Ø 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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