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Blauberg SD (rectangular)

  • Description
  • Modifications
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Description
Description
USE

For attenuation of the noise produced by a ventilation system and spreaded along ventilation ductworks.Used jointly with sound-insulated fans in premises with high requirements to noise level produced by ventilation equipment.Compatible with 400x200 up to 1000x500 rectangular air ducts.

DESIGN

Galvanized steel case and sleeves.The plates are filled with non-flammable sound-absorption material with protecting coating to prevent fiber blowing.

MOUNTING

Fixing to rectangular ducts with flange connection.  For maximum sound absorbtion capacity provide a straight air duct section at least 1 m long towards the silencer. For better sound absorption install the silencers in series.

Model Noise level reduction, dB (octave-frequency band [Hz])
63 Hz 125 Hz 250 Hz 500 Hz 1000 Hz 2000 Hz 4000 Hz 8000 Hz
SD 40x20 3 7 10 23 27 30 25 22
SD 50x25 3 6 11 22 26 25 27 22
SD 50x30 3 6 10 23 24 25 23 18
SD 60x30 3 6 10 21 24 30 24 17
SD 60x35 3 5 11 22 25 29 24 21
SD 70x40 4 7 10 15 22 19 21 18
SD 80x50 5 6 11 17 21 20 22 20
SD 90x50 3 6 10 16 20 20 21 15
SD 100x50 4 6 11 16 21 21 23 17
Modifications
Modification name
SD 100x50
SD 40x20
SD 50x25
SD 50x30
SD 60x30
SD 60x35
SD 70x40
SD 80x50
SD 90x50
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Documents archieve
Documents archieve
Name
SD (rectangular) - data sheet (pdf 129.42Kb)
SD (rectangular) - image (png 578.45Kb)