Designed to reduce fan noise and be assembled to circular fans and ducts. Optional connection flanges might be needed to connect directly to fans. • Casing in galvanised steel, thickness 0,8mm up to Ø1250mm and 1,0mm over. • Mounting flange with threaded insert. • Acoustic material in mineral wool 70Kg/m3 with protection against erosion by glass fibre fire resistance M0 and extended metal sheet. • Acoustic data tested in accordance to ISO 7235. • Holes according to the Eurovent Standard. • The SIL-CN are provided with an inner core that increases the attenuation of the silencer. • Can support pressures up to 1000Pa
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