griglia afonica griglia acustica griglie afoniche
2 versions are available with 6 and 10 connections with a diameter of 75/90 mm on the distribution side. The inlet lock can be equipped with a 125, 160 or 180 mm connection.
The casing is made of galvanized steel but can also be made of alluminium, steel painted with a choice of RAL or stainless steel.
The end closures are of the same material and the connections are in PP with class D air tightness. The interior is lined with sound-absorbing PU.
To maximize attenuation, a sound-absorbing and removable septum is provided for inspection and cleaning operations.
The connections to the distribution ducts are simple, modular and easy to install.
Operative temperature from -30°C to +70°C.
The sound-proof distributors of the DAC series are used in the distribution of air in VMC systems. The special contruction allows to obtain a high acoustic insulation combined with a simple and sober desing.
The envelope allows for high acoustic insulation while the interior is lined with sound-absorbing material to maximize acoustic attenuation with reduced pressure drops.