SD-T is a galvanized steel exhaust grille with fixed blades at 45° inclination.
The grille is used to evacuate or recirculate air.
The grille is provided with fixed blades, positioned at 45ᵒ, parallel to the “L” (length).
The product is made standard with oval holes for fixing with screws.
Grilles with dimensions > 600 mm are made with an intermediate stiffening crossbeam.
The standard finish is natural galvanized steel.
Dimensional limits: minimum 100 x 100 and maximum 2000 x 2000 mm.
Ak [m²] - The free surface
Veff [m/s] - The effective air speed in the grille
∆Pt [Pa] - Pressure loss
NR [dB (A)] - Noise level without room attenuation
For more sizes see the Technical Data Sheet (bottom of the page).
The grille can be delivered with a connecting plenum to the circular duct, with horizontal or vertical connection.
The plenum is provided with suspension elements (lugs) and bead roll on the spigot, for easy fixing of the flexible duct.
Adapter (plenum box)
The adapter is made of Z140 galvanized steel sheet and is equipped with suspension lugs.
On request, the plenum can be insulated with 6 mm thick elastomeric rubber.
The mounting/fixing of the grille is done with screws.
Rectangular duct mounting