Quadro Piuma is a silencer for industrial ventilation and aeration ducts and designed for insertion into square or rectangular section tubes and formed by modular elements that make it extremely versatile in sizing.
Sound absorbing elements of a square or rectangular shape made of flexible polyurethane foam, designed for the acoustic insulation of industrial ventilation and aeration ducts in new or existing installations.
The elements, which are available in two sizes 150x200 mm and 200x200 mm, are used individually or in combination to adapt to the required format.




Remove the grating and measure the size of the hole and choose the proper Quadro Piuma.

Insert Quadro Piuma, configured in the required size within the duct by pushing it until it reaches the desired position.

Replace the grating or the diffuser at the mouth of duct.
NOTE: These values are always considered valid with Quadro Piuma lengths no less than 500 mm, for values with different lengths please contact the headquarters.
| Code | Type | Length | Height | Acoustic Abatement | Base |
|---|---|---|---|---|---|
| P210009015 | QUADRO PIUMA mm150X200 L.500 | 500 mm | 200 mm | Dn,e,w = 44 dB (certificato) | 150 mm |
| P210009020 | QUADRO PIUMA mm 200X200 L.500 | 500 mm | 200 mm | Dn,e,w = 39 dB (certificato) | 200 mm |