Rectangular sound attenuator S
Rectangular silencers with casing and in baffles galvanized (200 mm thick baffles). Acoustic material in rock wool 55 Kg/m3 protected by glass fiber, fire resistance class M0; sound tests according to ISO EN 11691.
Suitable for attenuation from 250 Hz to 8 KHz flange of 30 mm up to 6m of perimeter or maximum depth of 2m, or 40mm for larger sizes.
Rectangular sound attenuator_.pdf