FOR THE REDUCTION OF AIR-REGENERATED NOISE OF AIR TERMINAL UNITS TYPE TVJ, TVT OR EN
Rectangular secondary silencers for the reduction of air-regenerated noise of air terminal units Type TVJ, TVT or EN
- 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 A