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    VETNS VKF 4E 630

    VETNS VKF 4E 630
    • VETNS VKF 4E 630
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    • VETNS VKF 4E 630
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    Low pressure axial fans in the steel casing with the air flow up to 12100 m³/h for wall mounting.
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    • Description
    • Characteristics
    • Capacity diagram
    • Downloads
    • Dimensions
    • ADDITIONAL TECHNICAL DATA
    • DESIGNATION KEY
    Description
    Description
    APPLICATIONS

    • Combined supply and exhaust ventilation systems for various premises where high air flow at relatively low system resistance is required.
    DESIGN

    • The fan casing and the impeller are made of steel with polymeric coating. 
    • VKF fan is fitted with the external terminal box mounted on the fan casing.
    MOTOR

    • The impellers are powered by two-, four- or sixpole, single or three phase asynchronous motors with external rotor and built-in thermal overheating protection depending on the model. 
    • Ball bearings in the motor provide long service life designed for at least 40 000 hours.
    • Motor protection rating IP X4.
    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 if the total power and operating current do not exceed the rated controller values.
    MOUNTING

    • VKF fan is installed into the duct by means of connecting flanges.

    • The fan is powered through the external remote terminal box.

    • Power supply and installation shall be performed in compliance with the manual and wiring diagram on the terminal box.
    Characteristics
    Characteristics
    Parameter VKF 4E 630
    50 Hz     		VKF 4E 630
    60 Hz     		Measurement unit
    Phase 1 1 ˜
    Voltage 230 230 V
    Frequency 50 60 Hz
    Sound pressure level at 3 m distance 67 68 dBА
    Power consumption 750 979 W
    Maximum air capacity 11900 12100 m³/h
    RPM 1360 1625 min-1
    Protection rating IP X4 IP X4 -
    Weight 16.4 16.4 kg
    Current 3.5 4.26 A
    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
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    "VENTS OV,OVK,OV1,OV1 R,OVK1,VKF,VKOM,OVP,VKOM(z),VKOM1(z)" user's manual 02-2022 (V03EN-13) (pdf 5Mb)
    "VENTS OV, OVK, VKF" product description 03-2021 (pdf 2.61Mb)
    Download high quality image "VENTS VKF (ErP 2015)" (psd 4.37Mb)
    Download image "VENTS VKF (ErP 2015)" for your website (png 455.02Kb)
    Dimensions
    Characteristics
    VETNS VKF 4E 630
    Parameter Value Measurement unit
    ∅D 645 mm
    ∅d 11.5 mm
    ØD2 715 mm
    B 740 mm
    L 250 mm
    ∅D1 674 mm
    ADDITIONAL TECHNICAL DATA
    ADDITIONAL TECHNICAL DATA
    Sound-power level, A-weighted Gen. Octave-frequency band [Hz] LpA, 3 m dBA LpA, 1 m dBA
    dBA 63 125 250 500 1000 2000 4000 8000
    LwA to environment dBA 88 57 68 76 81 83 82 77 69 67 77

     

    ŋ, [%] MC EC N VSD [kW] [A] [m3/h] [Pа] [n/min-1] SR
    37.5 A Static 44.4 No 0.8 3.76 7095 149 1290 1
    DESIGNATION KEY
    DESIGNATION KEY
    Series and modification Motor modification Dimension type
    Number of poles  Phase
    VENTS VKF: mounting into a vent duct

    2
    4
    6
    8

    		 E: single phase
    D: three phase    		 200; 250; 300; 350; 400; 450; 500; 550; 630, 710, 800

     

      ErP data
     Overall efficiency ŋ, [%]
     Measurement category MC
     Efficiency category EC
     Efficiency grade N
     Variable speed drive VSD
     Power [kW]
     Current [A]
     Air flow [m3/h]
     Static pressure [Pа]
     Speed [n/min-1]
     Specific ratio SR
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