Description:

The sound attenuators are used to absorb the noise in air conditioning or ventilation ducts.

Construction:

• Steel casing;
• Mounting flange with quick coupling;
• Acoustic material in glass wool 30 kg /m³ with protection against erosion by glass fibre fire resistance M0 and extended metal net;
• Acoustic tests not yet completed.

Options:

• Casing in painted carbon steel, galvanized steel and stainless steel on request.
• The tolerances of construction and the resulting play and fittings, in relation to the nominal diameter ø, follow the legislation UNI EN 1506:2000;