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    VENTEC VT 301 - acoustic

    Acoustic vent

    Diffusers are fixed at a height above 2 m above the floor (usually in the upper window frame), the fresh air flowing into the interior is heated by warm air masses in the apartment. Ventilation gaps are so small that they do not let in sound. They can have a constant cross-section, giving regular air exchange. This is due to the fact that its access through ventilators is dependent on the difference in pressure outside and inside the house.

    Higher models include acoustic diffusers that react to changes in pressure, humidity or temperatures, inside and out. The greater the pressure difference, the smaller is the crack.


    Air flow
    23 m³/h (Δp = 10 Pa)
    31 m³/h (Δp = 20 Pa)

    Dn,e,W (C;Ctr ) = 40 (0; -1) dB
    open vent

    Dn,e,W (C;Ctr ) = 44 (-1; -2) dB
    closed vent

    color of vent

    Standard colour - White

    Colour on one side (white on one side)

    Two-sided colour

    Shipping time: 20 days


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