EXTERNAL GRILLE TYPE РВН

Outside ventilation grill type РВН with horizontally fixed louvers are used for supplying and removing air in supply and exhaust ventilation and air conditioning systems, designed for installation in air ducts or on walls (building openings) of premises for various purposes, while preventing the penetration of atmospheric precipitation through the vent grill.

The vent grilles represent a rectangular frame with fixed louvers horizontally installed in it, which prevent the penetration of atmospheric precipitation from the street.. If necessary, in order to prevent the penetration of leaves, large insects, birds through the grill, it is recommended to use an additional galvanized net installed on the inner side of the vent grill. The ventilation grilles are made of extruded aluminum profiles. Powder-coated polymer paint is used as a protective and decorative coating. The main color of the coating is white. It is possible to paint another color according to the RAL color catalog.  The main color of the diffuser cover is white. It is possible to paint another color according to the RAL color catalog. The vent grilles can be operated at operating medium temperatures from -40 ° C to + 45 ° C. The environment and air must not contain aggressive gases and vapors that destroy
materials and paint coatings of the product. The grilles are manufactured in climatic modifications for operation in areas with moderate У (moderate) и УХЛ (boreal) climates and location categories 3 and 4 in accordance with GOST 15150.

An example of a ventilation grill:
РВН 300х300-RAL9016, where
РВН– outside ventilation grill;
300×300 – standard size AxB, mm;
RAL – coating color according to the
RAL catalog (no indication means
that the color will be white)