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    VENTS VKPFI 4D 500*300

    VENTS VKPFI 4D 500*300
    • VENTS VKPFI 4D 500*300
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    • VENTS VKPFI 4D 500*300
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    Inline centrifugal sound- and heat insulated fan. Maximum capacity - 2350 m3/h.
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    • Description
    • Characteristics
    • Capacity diagram
    • Downloads
    • Dimensions
    • Additional diagrams
    • Designation key
    Description
    Description
    APPLICATIONS
    • Supply and exhaust ventilation systems for various premises with a limited mounting space. 
    • Designed for connection with 400*200, 500*250, 500*300, 600*300, 600*350, 700*400, 800*500, 900*500, 1000*500 mm rectangular air ducts.
    DESIGN
    • The fan casing is made of galvanized steel.
    • VKPFI models are heat- and sound-insulated with 50 mm layer of mineral wool.
    MOTOR

    • The impeller with forward curved blades made of galvanized steel is powered by 4- or 6- pole external rotor asynchronous motor.

    • Such modification ensures high air flow capacity and relatively significant differential pressure.

    • For thermal overheating protection the thermal contacts with leaded outside terminals are incorporated in the motor winding for connection with the external protection devices. 
    • The motor is equipped with the ball bearings for long service life.
    • For precise features, safe operation and low noise, each impeller is dynamically balanced while assembly.
    • Motor protection rating IP 44.
    SPEED CONTROL
    • Smooth or step speed control with a thyristor or autotransformer speed controller. 
    • Several fans may be connected to one speed controller provided that the total power and operating current do not exceed the rated speed controller parameters.
    MOUNTING
    • The fans are designed for inline rectangular air duct mounting and require no special fixing in case of direct connection.
    • In case of connection through the flexible connectors the fan is fixed to a building by means of supports, suspension brackets or fixation brackets. 
    • The fans can be mounted in any position with respect to the pointer direction on the casing.
    • Access for the fan maintenance shall be provided.
    • The fan is powered through the external terminals.
    • The casing is provided with the removable access door for maintenance.
    VENTS VKPFI fan office ventilation example
    Characteristics
    Characteristics
    Parameter VKPFI 4D 500*300
    		 Measurement unit
    Phase 3 ˜
    Voltage 400 V
    Frequency 50 Hz
    Sound pressure level at 3 m distance 47 dBА
    Air capacity 2350 m³/h
    Power consumption 855 W
    Current 1.70 A
    RPM 1300 min-1
    Protection rating IP X4 -
    Design centrifugal -
    Transported air temperature -20 … +50 °С
    Weight 52.5 kg
    Number of poles 4 -
    Sound- and heat-insulated casing yes -
    Casing material galvanized steel -
    Width 500 mm
    Height 300 mm
    Duct for rectangular air ducts -
    Mounting Inline -
    Capacity diagram
    Capacity diagram
    • Selection method:
    • Air flow:
    • Pressure:
    Operating point
    • Air flow: --
    • Pressure: ---
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    • Advertising and printing products
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    "VENTS VKPF, VKPFI" product description 12-2020 (pdf 2.82Mb)
    Download high quality image "VENTS VKPFI (ErP 2015, 2016, 2018)" (psd 4.09Mb)
    Declaration of сonformity "VKPF,VKPFI" (pdf 1.68Mb)
    Download image "VENTS VKPFI (ErP 2015, 2016, 2018)" for your website (png 372.58Kb)
    "VENTS VKP, VKPI, VKPF, VKPFI, VKP EC, VKPI EC" user's manual 08-2022 (V07EN-05) (pdf 3.61Mb)
    Dimensions
    Characteristics
    VENTS VKPFI 4D 500*300
    Parameter Value Measurement unit
    В 500 mm
    B1 520 mm
    B2 540 mm
    B3 570 mm
    H 300 mm
    H1 320 mm
    H2 340 mm
    H3 460 mm
    L 680 mm
    Additional diagrams
    Additional diagrams
    Sound-power level   Octave-frequency band [Hz]
      Hz   General   63   125   250   500   1000   2000   4000   8000
    LwA to inlet   dBA 71 62 64 59 60 62 63 63 56
    LwA to outlet dBA 72 58 62 63 65 71 66 67 63
    LwA to environment dBA 52 33 42 48 45 46 42 36 36

     

    Designation key
    Designation key
    Series   Motor modification Flange diameter [W*H]
    Number of poles Phase
    VENTS VKPF I: sound- and heat-insulated casing 4
    6    		 E: single phase
    D: three phases    		 400*200; 500*250; 500*300; 600х300; 600*350; 700*400; 800*500; 900*500; 1000*500
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