SGR-SMO grilles are used for exhaust air in smoke extraction
ducts, fire resistance class: E600 120 (ho) S1500 single,
designed for single-compartment smoke extraction systems and
combined (dual-function) systems.
Front frame is made of pressed steel profiles, adhering to
the profile of a circular air duct. Blades made of rolled steel
plate profile. Horizontal or vertical fixture of blades,
inclination angle of the blades of the grille is 90˚.
If one of the dimensions of the mounting hole A or B exceeds 550 mm,
the grille is equipped with a bracing bracket made of galvanized steel sheet.
