griglia afonica griglia acustica griglie afoniche
Standard from 150×150 to 450×450 mm.
Aluminium diffuser, anoidized or RAL 9010 white finishing.
Galvanize steel plenum with external insulation: heat-insulating adhesive polyethylene on first class of fire reaction (DM 26/06/1984).
On the ceiling.
Maximum operating temperature: 70°C.
UDM unity consist of a 4 way square multidirectional diffuser, with detachable cone, regulation damper with opposit moviment and an accessorized plenum. UDMs are mainly employed in air delivery, and allow a uniform air distribution in the desired directions.