Cut-Out Zehnder ComfoWell 520 Comfortable indoor ventilation 3D view
Article no. 990323502

Zehnder ComfoWell attenuator, CW-S 520

    Data Table

    LabelValue
    Catalogue number 990323502
    GTIN 7640138031083
    Connection 2 Other
    Embeddable in concrete
    Air extraction
    Length 500 mm
    Max. air volume 550 m³/h
    Damping 8000 Hz 13.5 dB
    Nominal duct height 230 mm
    Damping 1000 Hz 12 dB
    Damping 500 Hz 16.5 dB
    Damping 4000 Hz 15 dB
    Damping 2000 Hz 20.4 dB
    Connection 1 Other
    Damping 125 Hz 6.3 dB
    Damping 250 Hz 10.3 dB
    Max. medium temperature (continuous) 80 °C
    Expansion link finish Other
    With edge links
    Material Sendzimir-galvanised steel
    Nominal duct width 520 mm
    With flow approach cap
    Resonance plate None
    With inspection opening and cover
    Bottom connection
    Damping 63 Hz 0.2 dB
    Air supply

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