- Installation: ceiling
- Size : from 300mm to 625mm
- Shape : Circular or Square
- Finish : Electrostatic powder RAL 9010 as standard / other colors and finishes are available
- Material : anodized aluminum , stainless steel or steel sheets
- Packing: plastic bags
The diffuser face of the type FD consists of fixed, radially arranged air control blades. The supply air design has specially arranged internal air guidance elements which are not required on the extract version.Due to the rotary swirling motion of the air discharge, induction of room air occurs very quickly, resulting in rapid decay of supply air velocity and temperature differential. Air change rates of 30 per hour can be achieved with supply air temperature differentials of + 10 K to -10 K.
To stabilize horizontal discharge, all sizes must be mounted flush with a ceiling. The minimum mounting height between floor and diffuser face is 2.60 m.