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- Gravity grille
Gravity grille
The BIC gravity grille prevents air leakage and is designed to close the ventilation duct when the fan is not running. With a round duct connection, the gravity grille can also be used in round ventilation duct systems.
The BIC gravity grille is made of galvanized steel with aluminium blades as standard but can be made of stainless steel, aluminium or painted according to the RAL catalogue on request.
Structure
Rectangular standard gravity gratings are made of 275g / m2 galvanized: DX51D brand sheet steel and with aluminium blades.
The grilles may only be installed vertically, with the blades facing downwards.
The mounting and connection of a rectangular gravity grille are standard with a Flange 20, 30, 40 or Z profile.
Options
Prevents air leakage,
Protects the ventilation system from rain.