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    VENTS KSB 450 K2 Q

    VENTS KSB 450 K2 Q
    • VENTS KSB 450 K2 Q
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    • VENTS KSB 450 K2 Q
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    Inline centrifugal fan in heat- and sound-insulated casing with air flow up to 2760 m³/h.
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    • Description
    • Characteristics
    • Capacity diagram
    • Downloads
    • Dimensions
    • Additional diagrams
    • Designation key
    Description
    Description
    PURPOSE DESIGN
    • KSB fan design allows to use them in supply and exhaust ventilation systems in premises with high requirements to the noise level and with limited space for mounting.
    • For example, the unit design includes a possibility of space-restricted installation above suspended ceilings.
    • They are designed for mounting into Ø 100-500 mm air ducts.
    • The fan casing is made of aluzinc.
    • For easy installation and operation, the top cover of the fan is secured with a special lock.
    • Warm and sound insulation is made of non-combustible mineral wool 50 mm thick.
    • To ensure better noise absorption, the inner surface of the insulation is made of a perforated metal sheet.
    • The round connecting spigots are rubber sealed.
    MOTOR MOUNTING
    • The fans are equipped with asynchronous motors with an external rotor and centrifugal impellers with backward curved blades.
    • The motors are equipped with an integrated overheating protection with automatic restart.
    • The use of ball bearings with specially selected lubricating oil guarantees low noise and makes the fan completely maintenance-free.
    • Inline fans are designed for round air ducts.
    • The fans are installed at an air duct junction.
    • The use of flexible connectors requires  fixation of the fan on the building structure by means of supports, mounts, or fixing brackets.
    • The fan can be fixed in any position, taking into account the air flow direction indicated by the arrow on the fan casing.
    • While mounting the fan provide enough access for servicing and repair operations.
    SPEED CONTROL
    • The control can be either smooth or stepped and carried out with a thyristor or autotransformer regulator.
    • Several fans can be connected to one controller, provided that the total power and operating current do not exceed the nominal parameters of the controller. 
    Characteristics
    Characteristics
    Parameter KSB 450 K2 Q
    		 Measurement unit
    Highpowered motor Highpowered motor no -
    Low-powered motor yes -
    Phase 1 ˜
    Voltage 230 V
    Frequency 50 Hz
    Sound pressure level at 3 m distance 48 dBА
    Power consumption 473 W
    Maximum air capacity 2760 m³/h
    Current 2.35 A
    RPM 1350 min-1
    Max. transported air temperature -25...+55 °С
    Protection rating IP X4 -
    Design centrifugal -
    Weight 84 kg
    Duct diameter 450 mm
    Sound- and heat-insulated casing yes -
    Casing material aluzinc -
    SEC Class - -
    Duct for round air ducts -
    Type supply and exhaust -
    Mounting Inline -
    Capacity diagram
    Capacity diagram
    • Selection method:
    • Air flow:
    • Pressure:
    Operating point
    • Air flow: --
    • Pressure: ---
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    "VENTS KSB K2" product description 05-2022 (pdf 1.15Mb)
    Download high quality image "VENTS KSB K2 (ErP 2018)" (psd 3.64Mb)
    Download image "VENTS KSB K2 (ErP 2018)" for your website (png 216.13Kb)
    "VENTS KSB K2" user’s manual 11-2021 (V143-1EN-02) (pdf 1.76Mb)
    Dimensions
    Characteristics
    VENTS KSB 450 K2 Q
    Parameter Value Measurement unit
    ∅D 449 mm
    B 1049 mm
    B1 858 mm
    H 607 mm
    L 1152 mm
    L1 1049 mm
    L2 968 mm
    Additional diagrams
    Additional diagrams
    Sound power level [dBA], A-weighted Sound pressure level at 3 m distance, A-weighted Sound pressure level at 1 m distance, A-weighted
    Sound power level Gen. Octave frequency band [Hz]
      Hz 63 125 250 500 1000 2000 4000 8000 LpA, 3 m [dBA] LpA, 1 m [dBA]
    LwA to inlet dBA 80 63 74 79 68 63 54 55 42 60 70
    LwA to outlet dBA 87 72 83 84 79 65 56 59 49 67 77
    LwA to environment dBA 69 56 65 66 53 51 42 40 35 48 58
    Designation key
    Designation key
    Series Spigot diameter Modification Motor Options
    VENTS KSB 100; 125; 150; 160; 200; 250; 315; 355; 400; 450; 500 К2: heat- and sound-insulated casing S: high-powered motor;
    Q: low noise modification    		 R: power cable with IEC C14 plug
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