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SMRDuct silencer

SMR – Silencers are straight round sound absorber for use in ventilation systems. Silencers reduce noise (sound) transmission by ducts. Silencers are placed between noise source and protected room.



  • Connection diameters from 80 to 900 mm
  • Spiro design with blade sealing
  • Insulation thickness 50 mm and 100 mm
  • Maximum air speed of 12 m/s and pressure difference 1500 Pa