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    VETNS VKF 4D 500

    VETNS VKF 4D 500
    • VETNS VKF 4D 500
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    • VETNS VKF 4D 500
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    Low pressure axial fans in the steel casing with the air flow up to 6570 m³/h for wall mounting.
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    3D model
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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 4D 500
    50 Hz     		VKF 4D 500
    60 Hz     		Measurement unit
    Phase 3 3 ˜
    Voltage 400 400 V
    Frequency 50 60 Hz
    Sound pressure level at 3 m distance 60 60 dBА
    Power consumption 450 370 W
    Maximum air capacity 6570 6230 m³/h
    RPM 1300 1605 min-1
    Protection rating IP X4 IP X4 -
    Weight 11 11 kg
    Current 0.9 0.7 A
    Capacity diagram
    Capacity diagram
    • Selection method:
    • Air flow:
    • Pressure:
    Operating point
    • Air flow: --
    • Pressure: ---
    Files archieve
    Downloads
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    • Advertising and printing products
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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 4D 500
    Parameter Value Measurement unit
    ∅D 515 mm
    ∅d 9.5 mm
    ØD2 570 mm
    B 600 mm
    L 220 mm
    ∅D1 541 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 81 51 63 70 74 75 76 71 62 60 70

     

    ŋ, [%] MC EC N VSD [kW] [A] [m3/h] [Pа] [n/min-1] SR
    35.5 A Static 43.9 No 0.478 0.9 4988 120 1305 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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