Rendering Zehnder ComfoSilence Flex Comfortable indoor ventilation Angled view
Article no. 990318031

Attenuator, Flexible, ø 125mm, length 1000mm

    Data Table

    LabelValue
    Catalogue number 990318031
    GTIN 7640129219865
    Outer diameter 225 mm
    Material outer pipe Aluminium
    Material insulating material Glass wool
    With core/cone
    Working length 1000 mm
    Insulation thickness 50 mm
    Damping 500 Hz 24 dB
    Damping 250 Hz 13 dB
    Damping 125 Hz 7 dB
    Damping 4000 Hz 29 dB
    With pre-mounted seal
    Flexible
    Connection 1 Insert end
    Connection 2 Insert end
    Nominal duct diameter 125 mm
    Damping 250 Hz 13 dB
    Max. medium temperature (continuous) 200 °C
    Damping 125 Hz 7 dB
    Damping 2000 Hz 45 dB
    Connection 1 Insert end
    Max. medium temperature (continuous) 200 °C
    Damping 4000 Hz 29 dB
    Damping 8000 Hz 28 dB
    Damping 2000 Hz 45 dB
    Material inner pipe Aluminium
    Damping 1000 Hz 41 dB
    Free passage 100 %
    Damping 500 Hz 24 dB
    Connection 2 Insert end
    Insulation thickness 50 mm
    Material inner pipe Aluminium
    Working length 1000 mm
    Free passage 100 %
    Vapour inhibition layer
    Inner diameter 125 mm
    Insulating material Glass wool
    Damping 8000 Hz 28 dB
    With protection cloth
    Nominal duct diameter 125 mm
    Material outer pipe Aluminium
    Damping 1000 Hz 41 dB

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