Secondary silencer

Rectangular secondary silencers for the reduction of air-regenerated noise of air terminal units Type TVZ, TVA, TZ-Silenzio, TA-Silenzio or TVM

Absorption material is non-combustible mineral wool with RAL quality mark, biosoluble and hence hygienically safe according to the German TRGS 905 (Technical Rules for Hazardous Substances) and EU directive 97/69/EG
Mineral wool faced with glass fibre fabric as protection against erosion due to airflow velocities up to 20 m/s
Insertion loss measured according to ISO 7235
Casing air leakage to EN 15727, class B

Rectangular secondary silencer to reduce air-regenerated noise, suitable for air terminal units type TVJ, TVT and EN

Sound absorption material made of non-combustible mineral wool with RAL quality mark, non-hazardous to health due to high biosolubility in accordance with the German Hazardous Substances Ordinance and Note Q of the European Regulation (EC) No. 1272/2008
Mineral wool faced with glass fibre fabric as a protection against erosion, effective with airflow velocities up to 20 m/s
Insertion loss measured according to ISO 7235.
Casing air leakage according to EN 15727, class C

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