SORDO-A, Size 125-500

SORDO-A

Sound attenuators for circular ducts

50 mm mineral wool
Galvanised sheet steel to Environmental Class C3
Fibre-migration proof with FarTex®
100 mm shorter
Air tightness class D
M1 classified
Excellent noise attenuation
Low pressure drop
Included in the MagiCAD database
Fire-resistance class EI30 to EI120*
** See the table for requisite safety distance

SORDO-A - Standard range
Dimension	Length	Working range	Attenuation
mm	mm	m³/s	dB(A)
100-400	500-1100	0-2	5-20

Nordic Swan listed

The product is listed in the database for building products that can be used in Nordic Swan Ecolabelled buildings.

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Include Accessory documents

Document	Article	Document type	Date
Sound attenuator for circular ducts (pdf 294.94kB)	SORDO-A	Technical catalogue	15/01/2024
Installation, Maintenance (pdf 132.46kB)	SORDO-A	IOM Manual	17/01/2024
Acoustics Overview (pdf 2.43MB)	CLA-A, CLA-B, SORDO-A, SORDO-B, SORDO-C, SORDO-P, SORDO-PF, CALMO, CADENZA, LARGO, LENTO, MORENDO, FACILE, ALD, CTM, CTK	Brochure	08/04/2023
M1 Certificate (pdf 167.9kB)	CLA-A; SORDO-A	Quality	12/05/2023
Building product declaration (pdf 50.46kB)	SORDO-A	Quality	24/05/2018
Type approval (pdf 137.72kB)	SORDO-A	Quality	20/02/2024

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