RVS is designed for protection of external ventilation openings. The grille has a low pressure drop.
Due to the low pressure drop the RVS louvre is suitable for smoke extraction systems.
Standard sizes manufactured every 50 mm for length and width. Minimum size 200×200 mm. Louvres larger than 1200×1200 mm are manufactured in modules.
The tolerance range of B and H dimensions are +0/-5 mm.