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Sonic SONAIR - Model SLK Series -Rectangular Duct Attenuator

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Rectangular duct attenuator constructed from galvanised sheet steel, with splitter type acoustic elements. Provided with 20, 30 or 40 mm profile flanges, which are compatible with flanging systems. Acoustic Splitters with spigot ends( up to certain sizes if required).

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acoustic baffle

Outer casing

  • Outer casings of standard rectangular straight silencers shall be made of not less than 1,0 mm; lock former quality galvanized steel, [or 316/304 stainless steel, aluminum].

Acoustic Splitters/Baffles

  • Splitters shall be made of not less than 0,6 mm properly stiffened to ensure structural integrity; lock form quality, galvanized steel, [or 316/304 stainless steel, aluminum.
  • Acoustically absorptive material of a proper density to obtain the specified acoustic performance and be packed under not less than 5% compression to eliminate voids due to vibration and settling.Material shall be with laminated non-woven glass fibre fabric to provide protection against abrasion at air velocities of up to 20 m/s- Highly bio-degradable, no health risk; moisture-repellent; rot-proof impregnation and nonflammable.

Fire class-A1