LOUVERS
Overview
External weather louvres are externally mounted air transfer devices for the fresh air and exhaust air of air conditioning systems. They are installed in external walls and façades. Their narrowly arranged blades give good protection against the direct ingress of rain as well as against leaves and birds.
Under certain unfavourable conditions, such as heavy rain, and depending on the airflow velocity it might happen that slight quantities of water enter together with the air.
This is why the airflow velocity in fresh air openings should not exceed 2.5-3.0 m/s.
Non-return dampers close automatically.
When the system is in operation, the blades open when air flows. When the system is shut down, the blades close due to their weight. They safely prevent air from flowing against the intended airflow direction.
Maximum width of 1600 mm, maximum height of 1700 mm
Low differential pressure due to aerofoil blades
Low air-regenerated noise
Construction Options:
Material
Aluminum
Galvanneal Sheet Steel
Stainless Steel
Accessories
Bird and insect screens
Filters
External Weather Louvers combination with a non-return damper
External Weather Louvers combination with a non-return damper
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