External supply or return air grilles range RNV
GENERAL TECHNICAL DATA
The grilles, range RNV are designed to be outside walls or baffles mounted with the purpose to supply fresh ambient air or to outlet return air from the ventilating and air-conditioning installations. They are manufactured from black steel sheets with powder coating (RAL 7032 Wri 40 Gloss tex).
The grilles have chassis, allowing their mounting to brick or concrete or metal walls.
The horizontal grilles are designed in a way to eliminate the easy rain water penetration and there is a net behind them, protecting against different objects.
The different dimensions are indicated by: type and sizes.