Spiro-SAFE premium silencer diameter 100 mm - length 600 mm (100 mm insulation)

Spiro-SAFE premium sound attenuator diameter 100 mm - length 600 mm (100 mm insulation)

The Spiro-SAFE premium sound attenuator diameter 100 mm - length 600 mm (100 mm insulation) is a round ventilation silencer made of galvanized steel, specifically developed for use in ventilation and air handling ducts. This attenuator is designed to effectively reduce noise generated by airflow and mechanical fans, ensuring that sound levels in occupied and technical spaces remain within acceptable limits. The attenuator features male (spigot) connections on both ends with integrated double EPDM lip seals, providing an airtight and reliable connection to round ventilation ducts.

Practical information

Sound absorption is achieved through glass wool placed between the inner and outer casing of the attenuator. Depending on the model, the wool thickness is 50 mm or 100 mm for the PREMIUM-100 version. The mineral wool is flexible and cut from roll material, allowing it to conform well to the shape of the attenuator and ensuring uniform noise reduction along the entire length of the product. This results in 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 strong outer casing that withstands mechanical stresses during installation and use. The product code clearly indicates the attenuator type, insulation thickness, duct diameter (Ød1), and length, making it easy to select the appropriate attenuator for any ventilation project, from residential buildings to complex commercial constructions.

What makes the premium variant better than the standard variant?

The premium sound attenuator offers several advantages over the standard model, making it more suitable for certain applications:

1. Wool thickness: The premium attenuator uses 100 mm thick mineral wool cut from roll material. This allows the insulation to better conform to the internal shape of the attenuator, providing more uniform sound attenuation.
2. Central core: From diameter 315 onwards, premium attenuators include a central core. The central core directs airflow through a perforated inner tube, increasing sound waves’ contact with the absorptive layer. This especially enhances attenuation of mid to high frequencies.
3. More uniform noise reduction: The combination of flexible insulation, superior connections, and thoughtful construction ensures that the premium variant delivers more consistent noise reduction across a broad frequency range. In contrast, the standard variant’s noise reduction may be less uniform, particularly at lower frequencies.