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    VENTS VKPF 4E 500*250

    VENTS VKPF 4E 500*250
    • VENTS VKPF 4E 500*250
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    • VENTS VKPF 4E 500*250
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    Inline centrifugal fan. Maximum capacity - 1750 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.
    		  
    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 VKPF fan warehouse ventilation example
    Characteristics
    Characteristics
    Parameter VKPF 4E 500*250
    		 Measurement unit
    Phase 1 ˜
    Voltage 230 V
    Frequency 50 Hz
    Sound pressure level at 3 m distance 53 dBА
    Air capacity 1750 m³/h
    Power consumption 535 W
    Current 2.49 A
    RPM 1250 min-1
    Protection rating IP X4 -
    Design centrifugal -
    Transported air temperature -20 … +40 °С
    Weight 24 kg
    Number of poles 4 -
    Sound- and heat-insulated casing no -
    Casing material galvanized steel -
    Width 500 mm
    Height 250 mm
    Duct for rectangular air ducts -
    Mounting Inline -
    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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    Name
    Download
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    "VENTS VKPF, VKPFI" product description 12-2020 (pdf 2.82Mb)
    Download high quality image "VENTS VKPF (ErP 2015, 2016, 2018)" (psd 4.1Mb)
    Declaration of сonformity "VKPF,VKPFI" (pdf 1.68Mb)
    Download image "VENTS VKPF (ErP 2015, 2016, 2018)" for your website (png 409.57Kb)
    "VENTS VKP, VKPI, VKPF, VKPFI, VKP EC, VKPI EC" user's manual 08-2022 (V07EN-05) (pdf 3.61Mb)
    Dimensions
    Characteristics
    VENTS VKPF 4E 500*250
    Parameter Value Measurement unit
    В 500 mm
    B1 520 mm
    B2 540 mm
    H 250 mm
    H1 270 mm
    H2 290 mm
    H3 335 mm
    L 640 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 72 58 67 62 57 62 64 62 60
    LwA to outlet dBA 77 57 63 62 66 72 69 68 63
    LwA to environment dBA 62 41 49 54 53 56 52 51 53

     

    Designation key
    Designation key
    Series Motor modification Flange diameter [W*H]
    Number of poles Phase
    VENTS VKPF 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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