SORDO-P

Sound attenuators equipped with an centre body for circular ducts.

Equipped with aerodynamic centre body (pod)
100 mm mineral wool
Galvanised sheet steel to Environmental Class C3
Fibre-migration proof with EUROLON
Available in the sizes Ø 500-2000 and length 900-4000 mm
Air tightness class C
Excellent noise attenuation
Low pressure drop
Included in the MagiCAD database
Fire-resistance corresponding to class E60

Calculate with your requirements

Technical description

Design

Material and surface treatment

Galvanized sheet steel as standard to Environmental Class C3 (equivalent to M2 to VVS-AMA 98 .

The insulation is covered with polyester fabric EUROLON which is also covered with perforated sheet steel.

The connection spigots are equipped with rubber seal rings.

The sound attenuating material consists of 100 mm thick long-fibred mineral wool that offers excellent sound attenuation, especially in the mid-frequencies. The insulation is covered with EUROLON.

Installation, commissioning and maintenance

The product can be mounted by means of approved hangers that satisfy the provisions to load bearing capacity rating R corresponding to the fire resistance the structural element of the building, for example load bearing capacity rating R 60 for elements of structure to fire-resistance class EI60.

The connection spigots on this product are designed for connection to ducts only. It is important to drive screws or blind rivets into the sheet-metal edge on the connection spigot. See Figure.

Dimension	Length	Static integral attenuation, dB to ISO 7235
(mm)	(mm)	63	125	250	500	1K	2K	4K	8K
500	900	2	5	12	22	33	27	17	15
500	1200	3	6	15	28	41	30	19	17
630	900	2	4	11	19	25	19	12	8
630	1200	3	5	14	25	33	22	14	10
800	900	1	3	9	17	21	15	9	6
800	1600	2	4	12	22	29	18	11	8
1000	1000	1	3	9	17	20	15	9	6
1000	2000	3	7	17	27	36	29	17	13
1250	1200	1	3	9	17	20	12	7	4
1250	2400	3	8	18	27	33	25	14	11
1600	1600	2	4	10	17	20	22	6	3
1600	3200	3	8	17	26	32	22	11	9
2000	2000	2	4	9	16	19	22	5	3
2000	4000	3	8	15	23	30	20	9	7

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Include Accessory documents

Document	Article	Document type	Date
Sound attenuator with centre body for circular ducts (pdf 269.24kB)	SORDO-P	Technical catalogue	15/01/2024
Installation, Maintenance (pdf 132.46kB)	SORDO-P, SORDO-PF	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
Building product declaration (pdf 80.12kB)	SORDO-P	Quality	19/06/2023

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