DucoGrille Close 105 - Nightcooling
The DucoGrille Close 105 is a blade damper which, as a result of its high airflow rate, is perfect for use in ventilation applications of buildings. A llowing fresh air from the outside to directly enter a building through the building envelope. The ultimate guarantee of a healthy indoor climate.
Designed for wall mounted applications in supply mode, the DucoGrille Close 105 is fitted with a grille on both sides for aesthetic purposes. This blade damper is ideal when combined with a DucoGrille Solid series. Thanks to its high air flow rate the DucoGrille Close 105 is also suitable for adjustable extract. Blade dampers are motor controlled and can be connected to a Building Management System thus allowing for a fully-fledged ventilation strategy.
|Visual free area||74 %|
|Physical free area||74 %|
|K factor intake||2,57|
|K factor exhaust||2,57|
|Frame width||105 mm|
|Blade pitch||91 mm|
|Insulation value||U = < 1 W/m²K|
|Operating temperature||-25 °C to +60°C|
|Attenuation value Rw (C;Ctr)||
Closed 21 (-2;-2) dB
Open 3 (0;-1) dB
|Airtightness||in accordance with the norm EN 12207 and EN 1026|
|Water repellency||Class A (untill v=1,5m/s in fully opened position, in combination with a DucoGrille Solid 30Z as exterior louvre) in accordance with the norm EN 12208 and EN 1027.|