System grid set

Inlet or exhaust air openings of tube fans should have a closure on the wall for visual and hygienic reasons (protection against insects or birds). The flat system grille gives you the choice: fixed indoor or outdoor grille for supply or exhaust air or self-acting closure flap for exhaust air operation.

Material: Non-yellowing ABS plastic, white. Blades for self-closing flap light gray.
Suitable: For exhaust and supply air openings inside and outside. The system grille set is optionally available as a self-acting closure damper, whose blades open due to the air flow, or as a fixed discharge or intake grille.

insert. The lamella profile of the fixed grille is slim and rain-repellent when used outdoors.
Size: Available in sizes NW 100, 120 and 150. The frame has a round connection pipe.
Pressure drop: The pressure drop when used as a fixed indoor or outdoor grille is approx. 5 Pa, when used as a self-acting shutter approx. 8 Pa.
Assembly: Optionally by plugging onto the pipe sleeve / exhaust air opening or by means of the enclosed fastening material (grommets and screws).