Sound Attenuators
Circular Sound Attenuator
Circular duct silencer for spiral and round duct systems. Designed with acoustic lining or pod arrangement for noise reduction at low pressure drop.
| Construction | Galvanized steel circular casing |
| Acoustic media | Glass wool / rockwool with perforated inner liner |
| Connection | Plain end / spigot / flange as required |
| Length | 600, 900, 1200, 1500 mm typical |
| Options | Pod type for higher insertion loss |
| Size basis | Duct diameter and length in mm |
Performance Data
Technical Specifications
| Model | Size (mm) | Material Type | Paint Type |
|---|---|---|---|
| AW-CSA-150x600 | Ø150 | 600 length | Low-Medium IL |
| AW-CSA-200x900 | Ø200 | 900 length | Medium IL |
| AW-CSA-250x900 | Ø250 | 900 length | Medium IL |
| AW-CSA-315x1200 | Ø315 | 1200 length | High IL |
| AW-CSA-400x1200 | Ø400 | 1200 length | High IL |
| AW-CSA-600x1500 | Ø600 | 1500 length | Project selected |
* Values are nominal and subject to manufacturing tolerances. Consult Air-Way technical support for project-specific sizing, finishes or performance data.
Where It’s Used
Key Applications
Circular silencers are used where round ductwork needs noise reduction without transitioning to rectangular duct. Diameter and length are selected by acoustic performance.
Round duct systems
Inline fans
Toilet exhaust
Fan coil branches
Acoustic rooms
Explore the Complete Air-Way Product Catalog
Browse our full range of air outlets, louvers, ducts, dampers, sound attenuators and accessories — all manufactured and certified at our UAE facility.