OCTA with seals
OCTA with seals
The sealed Octa sound attenuator strongly attenuates mid-frequency acoustic propagation in circular ducting, with low leakage.
OCTA with seals
The sealed Octa circular sound attenuator strongly attenuates noise transmitted in the ventilation ducting and therefore ensure acoustic comfort inside commercial and multi-occupancy residential buildings while delivering good airtight performance. A wide range of diameters from Ø 125 to Ø 1000 mm .
The + products
- high-performance acoustic attenuation,
- energy savings: low pressure losses,
- energy savings: very low leak rate (class D airtight).
The interior of the sealed Octa is lined with mineral wool coated with glass mat to attenuate noise.
- external casing made of solid galvanised steel,
- internal casing made of perforated galvanised steel,
- sealed connection rings,
- sound-proofing: mineral wool + glass mat,
- M0 fire certification, or A1 under Euroclass ratings,
- version tested to 400°C - 2 hours on request.
- Class D airtight properties in accordance with EN 12237.
- directly inserted between two circular ducts.
Products and accessories references
2 software
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Plateforme logiciel métier de conception de projets de ventilation
