Spiro-SAFE premium silencer diameter 315 mm - length 1200 mm with core (100 mm insulation) without plug connections

Spiro-SAFE premium silencer diameter 315 mm - length 1200 mm with core (100 mm insulation)

The Spiro-SAFE premium silencer diameter 315 mm - length 1200 mm with core (100 mm insulation) is a round ventilation silencer made from galvanized steel, specifically designed for use in ventilation and air handling ducts. This silencer is engineered to effectively reduce noise generated by airflow and mechanical fans, ensuring that sound levels in occupied rooms and technical spaces remain within acceptable limits. The connections on both ends of the silencer feature a male (spigot) connection with an integrated double EPDM lip seal, providing an airtight and reliable joint with round ventilation ducts.

Practical information

Sound absorption is achieved through glass wool located between the inner and outer casing of the silencer. Depending on the version, the wool thickness is 50 mm or 100 mm for the PREMIUM-100 model. The mineral wool is flexible and cut from roll material, allowing it to conform tightly to the shape of the silencer, ensuring uniform noise reduction along the entire length of the product. This guarantees consistent attenuation even with variable airflow and smaller duct dimensions.

The outer casing is made from high-quality galvanized steel to ensure durability and reliability, providing a robust and corrosion-resistant finish.

The construction is sturdy and functional, with a solid outer casing that withstands mechanical stress during installation and operation. The product code clearly indicates the silencer type, insulation thickness, duct diameter (Ød1), and silencer length. This makes it straightforward to select the appropriate silencer for any ventilation project, ranging from residential buildings to complex commercial applications.

Why is the premium variant better than the standard variant?

The premium silencer offers several advantages over the standard silencer, making it better suited for certain applications:

1. Wool thickness: The premium silencer uses 100 mm thick mineral wool cut from rolls, which better conforms to the internal shape of the silencer, resulting in more uniform noise attenuation.
2. Central core: From diameter 315 onwards, premium silencers are equipped with a core in the centre. This core directs airflow through a perforated inner tube, increasing the contact of sound waves with the absorption layer. This leads to more effective attenuation, particularly of mid and high frequencies.
3. More uniform noise reduction: The combination of flexible insulation, excellent sealing, and thoughtful construction ensures that the premium variant provides a more consistent noise reduction across a broad frequency range. The standard variant may offer slightly less uniform attenuation, especially at lower frequencies.