Circular attenuators offer excellent sound absorbing properties and are suitable for continuous operation at temperatures up to 100°C and intermittently up to 120°C.
Testing
Our Tecsound Attenuators are tested in accordance with ISO 7235 “Acoustics – Measurement procedures for ducted silencers – insertion loss, flow loss and total pressure loss.”
Construction
Casing: Galvanised mild steel with circular duct connection spigots fitted with the unique Safe-gasket for a leak free connection.
Inner Lining: Perforated galvanised mild steel.
Sound Absorbing Material: Mineral wool faced with a polyester cloth to prevent migration of mineral wool fibres into the airstream.
Product Type | Silencer |
Product Group | Plastic Ducting |
Economy Delivery | Not Eligible |
Next Day Delivery | Not Eligible |
Manufacturer Product Code | 279276 |
Quick Search: | QS10358 |
Your question will be sent to a member of our team. We'll email you the answer and post it on this page. If your question is about an order you already placed, please use our Contact Form to reach the customer service team.
Ducting System | Actual dimensions (mm) | Space requirements (mm) | Airflow mm² |
For 4" (100mm) extractor fans or for low power cooker hoods up to 250m³/hour | |||
---|---|---|---|
System 100 - Round | 100 | 106 | 7,854 |
System 100 - Rectangular | 110 x 54 | 116 x 60 | 5,940 |
For medium extraction rates or if available depth is limited up to 500m³/hour | |||
System 125 - Round | 125 | 131 | 12,272 |
System 125 - Rectangular | 150 x 70 | 156 x 76 | 10,500 |
For 6" (150mm) extractor fans or for high power cooker hoods up to 500m³/hour & above | |||
Megaduct 220 - Rectangular | 220 x 90 | 227 x 97 | 17,968 |
System 204 - Rectangular | 204 x 60 | 210 x 66 | 12,240 |
System 150 - Round | 150 | 156 | 17,671 |
System 150 - Rectangular | 180 x 90 | 186 x 96 | 16,200 |
For a shallow space, such as ceiling voids or under floor, where high extraction rates are not needed: | |||
System 300 - Rectangular | 308 x 29 | 314 x 35 | 8,932 |
System 225 - Rectangular | 234 x 29 | 240 x 35 | 6,786 |
System 100 Round/Rectangle | System 125 Round/Rectangle | System 150 Round/Rectangle | System 204 | System 225 |
System 220 | System 300 | |||
Actual Dimensions (mm) Space Requirements (mm) |