Aluminum ventilation damper 653C

for buildingfor pressure relief

Aluminium air grating system 622V MLL-Overpressure valve made of aluminum with a free ventilation cross-section up to 54% (Depending on opening angle of the slat). Closes and opens automatically. Installation is carried in the window frame as a substitute for a pane of glass. Medium Series: C-slat Construction: slat 050C in frame 603 Fly screens: Fiberglass MW 1.4mm / 1.4mm Nirosta MW Bird protection: Galvanized MW 10 mm / 8 mm Nirosta MW Surface: E6 / EV1 anodised, E6 / C31-35 shades, RAL to choose / raw Special colors on request Mounting: Glazed-in 24 mm All profiles are made of Al MG Si 0,5. The MLL system type 653c is an overpressure valve for chucking in a window frame. The slats open and close automatically. They are inoperative position closed. With an increase in air pressure, the slats open automatically and go to drop in the pressure back into their initial position. Application: Suitable for ventilation and everywhere not a permanent ventilation is desired. Our MLL-weather protection systems support the ventilation of rooms and contribute to a good indoor climate. They offer protection against direct ingress of rain and the ingress of leaves and birds in exterior openings of ventilation systems. Our weather protection products are based on different needs. Thus, we offer very individual solutions. Note: Additional product information and technical drawings can be found on the following link on our website.