Square ceiling diffuser with blades positioned in 4 directions, made of aluminum, used for air supply or evacuation.
The ceiling diffuser can be used in installations with constant or variable air flow and is intended for spaces with a height <4m.
Used for ceiling mounting.
Allows the air to discharge horizontally at the ceiling level.
The central part is removable which facilitates mounting.
Airflow adjustment can be achieved by mounting an opposed blade damper (OBD) on the diffuser connection.
Diffuser installation is easy.
Narrow frame ceiling diffuser Wide frame ceiling diffuser
1- CD-4 Ceiling diffuser
2- OBD opposed blade damper (optional)
3- Plenum box (optional)
Ak [m²] - The free surface
Veff [m/s] – Air velocity in diffuser
X [m] - The length of the air jet at a speed of 0.25 m/s
NR [dB (A)] - Noise level without room attenuation
∆Pt [Pa] - Pressure loss
The diffuser 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.
The product can be accessorized with opposed blade damper or G4 air filter.
Adapter (plenum box)
The adapter is made of Z140 galvanized steel sheet and has 4 suspension lugs.
On request, the plenum can be insulated with 6 mm thick elastomeric rubber.
Opposed blade damper (OBD)
The damper is equipped with opposable blades and is mounted on the ceiling diffuser connection for adjusting the air flow.
Air filter G4 (F-R)
G4 air filter with frame, made of aluminum, used for air filtration and mounting on the ceiling diffuser connection.
The ceiling diffuser can be mounted in a false suspended ceiling or a continuous ceiling.
Installation in T-bar suspended ceiling
Installation in continuous ceiling