RV is an external louvre designed to protect fresh air and extract air openings of ventilation systems. RV provides effective protection against water penetration with low pressure loss.
RV louvres are produced for openings with various sizes. Standard louvres are rectangular. Triangular grilles are available on special order.
Standard sizes manufactured every 50 mm for length and width. The tolerances of B and H are +0/-5 mm.
The louvre is equipped with a galvanized protective net as standard. The mesh size is 19x19x1,05 mm. The net is available also in an acid-proof model AISI 316 on order. The mesh size of the HST net is 11,7×11,7×1,0 mm.
