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Blauberg SD 40x20


Silencers.
EAN codeEAN4058448039096
  • Description
  • Characteristics
  • Downloads
  • DIMENSIONS
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
Characteristics
Characteristics
Parameter SD 40x20 Measurement unit
Connected air duct size 400х200 mm
Casing material galvanized steel -
Air duct for rectangular air ducts -
Weight 18.5 kg
Documents archieve
Documents archieve
Name
SD (rectangular) - data sheet (pdf 129.42Kb)
SD (rectangular) - image (png 578.45Kb)
DIMENSIONS
DIMENSIONS

Type Dimensions [mm]
B B1 B2 H H1 H2 L
SD 40x20 400 420 440 200 220 240 950