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    VENTS KSK 250 4D

    VENTS KSK 250 4D
    • VENTS KSK 250 4D
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    • VENTS KSK 250 4D
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    Centrifugal kitchen fan in sound-insulated casing with air capacity up to 3500 m³/h.
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    • Description
    • Characteristics
    • Downloads
    • Dimensions
    • Additional diagrams
    • DESIGNATION KEY
    Description
    Description
    APPLICATION
    • This fan model fits for the following applications:
      • kitchen exhaust ventilation systems;
      • exhaust ventilation systems for removal of post-welding gases;
      • industrial bakery ventilation systems.
    • The fan is designed for ventilation of contaminated, grease-laden, humid and hot air with temperature up to 120 °С in conditions of high air resistance in the system.
    DESIGN DESCRIPTION
    • The fan casing is made of galvanized steel plate and is internally insulated with 50 mm mineral wool layer.
    • The swivel block of the impeller and motor provides easy access to the fan internals for easy and effective cleaning.
    • The intake and exhaust flange diameter match with standard ventilation air ducts.
    • The flanges are equipped with a rubber sealing.
    • The fan is installed in the mounting frames with integrated vibration connectors.
    ELECTRIC MOTOR
    • Equipped with a highly reliable single-phase or threephase motor with squirrel-cage rotor and steel highperformance centrifugal impeller with forward-curved blades (for sizes 150 to 250 mm) or backward-curved blades (for sizes 315 to 450 mm).
    • The impeller is mounted on the motor shaft and is balanced statically and dynamically.
    • The motor has F class motor winding insulation and IP54 ingress protection rating.
    SPEED CONTROL
    • The fan has both step and smooth speed control options with a transformer or frequency speed controller.
    • Several fans may be connected to one controller if the total power and operating current do not exceed the rated controller parameters.
    MOUNTING
    • The fan is designed for connection to round air ducts.
    • The fan is fixed to the wall with the mounting bracket KM-KSK (separate delivery).
    • The fan is connected to power mains on the terminal box on the motor.
    • The cable length must be sufficient with respect to the motor-impeller block movement.
    Characteristics
    Characteristics
    Parameter KSK 250 4D
    		 Measurement unit
    Voltage 400 V
    Frequency 50 Hz
    Sound pressure level at 3 m distance 51 dBА
    Power 1500 W
    Maximum air capacity 3500 m³/h
    RPM 1470 min-1
    Protection rating IP 54 -
    Weight 40 kg
    Current 3.4 A
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    Name
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    "VENTS KSK" product description 05-2022 (pdf 1.57Mb)
    Download high quality image "VENTS KSK" (psd 2.34Mb)
    Download image "VENTS KSK" for your website (png 672.59Kb)
    "VENTS KSK" user's manual 08-2018 (V72EN-06) (pdf 1.72Mb)
    Dimensions
    Characteristics
    VENTS KSK 250 4D
    Parameter Value Measurement unit
    ∅D 250 mm
    B 575 mm
    B1 435 mm
    H 665 mm
    H1 505 mm
    L 700 mm
    L1 675 mm
    L2 645 mm
    L3 620 mm
    L4 285 mm
    Additional diagrams
    Additional diagrams

    Sound power level, A-filter applied Sound pressure level at 3 m, A-filter applied  Sound pressure level at 1 m, A-filter applied
    Sound-power level, A-weighted General Octave frequency band, Hz
      Hz 63 125 250 500 1000 2000 4000 8000 LpA, 3m dBA LpA, 1m dBA
    LwA to inlet dBA 89 67 88 83 79 75 72 67 63 69 79
    LwA to outlet dBA 91 81 89 85 81 76 74 69 64 71 81
    LwA to environment dBA 71 55 70 64 60 55 52 47 42 51 61
    DESIGNATION KEY
    DESIGNATION KEY
    Fan series Spigot diameter Motor
    Poles Phase
    VENTS KSK 150, 160, 200, 250, 315, 355, 400, 450 2
    4
    6    		 Е: single-phase
    D: three-phase
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