UMS: grilles 30 mm pitch in galvanized steel sheet for installation on smoke extraction ducts single compartment.
CHARACTERISTICS:
Frame: made from galvanized steel sheet, 27 mm wide, with rounded edges, constructed in four parts connected invisibly by mechanical assembly.
Fins: vertical, made from galvanized steel sheet with 30 mm spacing and fixed at 0° to guarantee the maximum free area.
Transverse reinforcement: provided on all sizes with heignt dimension greater than 400 mm.
Damper, optional: all-steel, with multiple fins with opposing movement.
Grille installation: with seflf dirilling screws directly on the duct.
Finish: natural galvanized steel not painted.
The UMS grilles are made of galvanized sheet steel without welding, are therefore not susceptible to corrosion.


