Hygiene version of silencer with type SDKB baffles installed and with greater energy economy due to profiled frame with aerodynamic; function in accordance with the chamber-absorption principle. Edges seamed for protection of baffle filling; protected by fibreglass fabric against abrasion up to an air velocity of 20 m/s.

Insertion damping, sound pressure level of the flow noise and pressure loss in accordance with EN ISO 7235. The mineral wool and fibreglass fabric used are neutral to the development of fungus and bacteria. The baffle fulfills the hygiene requirements of VDI 6022, VDI 3803 and EN 1946 parts 2 and 4.

Material: Duct profile and partitioning panel of galvanized steel. Mineral wool with RAL certification RAL-GZ 388, non-inflammable in accordance with EN 13501, biologically soluble in accordance with TRGS 905 and EU-Guideline 97/69/EG. Specific weight > 30 kg/m³