Rectangular Sound Attenuator

Description

Download Specification

Description

S: rectangular sound attenuators

• casing and baffles in galvanised steel
• baffles thickness 200 mm
• half standard lateral baffles to stiffen the structure
• acoustic material in rock wool 50 kg/m³ coated with black glass veil
• fire-resistance class A1 according to EN 13501-1
• acoustic tests according to ISO EN 11691 standard
• suitable for attenuation from 250 to 8k Hz
• quick-fit flange from 30 mm up to 6 m of perimeter or max 2 m of
• depth or 40 mm for larger sizes

Modules

S..A: baffle 200 mm, space 100 mm

S..B: baffle 200 mm, space 150 mm

S..C: baffle200 mm, space 200 mm

Special executions

STV: acoustic material with certificate of hygiene according to VDI 6022 (glass tissue coating)

SR: like S but with baffles covered with micro-expanded mesh

SO: like S but with baffles covered half in galvanised sheet metal with
perforated bands specifically for 125 Hz

SOR: like SO but with remaining half of the baffles coated with micro-expanded mesh

..N: baffles with aerodynamic profiles

S100: with baffles measuring 100 mm