Aldes 11094635 OCTA D250 + Joint Acoustic Silencer
Acoustic silencer for ventilation and air conditioning systems.
Product Overview
The Aldes 11094635 OCTA D250 + joint is a circular sound silencer designed to effectively attenuate acoustic propagation (average frequencies) within a circular duct system with minimal leakage.
Key Features:
- High acoustic attenuation performance.
- Energy saving due to low pressure drops.
- Energy saving due to very low leakage rate (Class D airtightness).
The interior of the OCTA silencer is lined with mineral wool and a glass veil to absorb sound, ensuring acoustic comfort in tertiary and collective residential buildings while maintaining excellent system airtightness. A wide range of diameters is available, from Ø 125 mm to Ø 1000 mm.
Product Description
The circular OCTA silencer with joint is designed to significantly reduce noise transmitted within ventilation or air conditioning networks. It ensures acoustic comfort in tertiary and collective residential buildings and provides very good system airtightness. The product range covers diameters from Ø 125 mm to Ø 1000 mm.
Applications
- Collective residential housing
- New construction
- Renovations
- Tertiary premises
Installation
Installs directly between two circular ducts in the system.
Reference Argument
- Circular OCTA D250 silencer with joint to strongly attenuate noise propagation in air conditioning or ventilation systems in collective or tertiary buildings.
- Very low leakage rate: product airtightness is Class D according to standard EN 1751.
- Length: 600 mm.
- Galvanized steel casing.
- Internal insulation with mineral wool covered by a glass veil: 50 mm thickness.
- Fire classification MO for the complete product.
Main Characteristics
- Outer casing made of solid galvanized sheet metal.
- Inner casing made of perforated galvanized sheet metal.
- Jointed connection collars.
- Acoustic insulation: mineral wool + glass veil.
- Fire classification MO, equivalent to A1 according to Euroclasses.
- Version tested for 400°C - 2h available upon request.
- Product airtightness Class D according to EN 12237.
Dimensional Data
| Reference | F (mm) | G (mm) | Ø d (mm) | Ø D (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 11094635 | 610 | 690 | 250 | 355 | 8.20 |
Diagram showing dimensions F and G, and diameters Ø d and Ø D of the silencer.
Acoustic Data
| Reference | Acoustic attenuation measured according to ISO 7235 at 1000 Hz (dB) | Acoustic attenuation measured according to ISO 7235 at 125 Hz (dB) | Acoustic attenuation measured according to ISO 7235 at 2000 Hz (dB) | Acoustic attenuation measured according to ISO 7235 at 250 Hz (dB) | Acoustic attenuation measured according to ISO 7235 at 4000 Hz (dB) | Acoustic attenuation measured according to ISO 7235 at 500 Hz (dB) | Acoustic attenuation measured according to ISO 7235 at 63 Hz (dB) | Acoustic attenuation measured according to ISO 7235 at 8000 Hz (dB) |
|---|---|---|---|---|---|---|---|---|
| 11094635 | 21 | 1 | 11 | 6 | 6 | 14 | 2 | 7 |
Regulatory Data
| Reference | Fire Classification |
|---|---|
| 11094635 | A1 |
