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SRV-400-2D


The silencer is used for attenuation of the operation noise generated by ventilation equipment and spreaded in the air ducts.

  • Description
  • Characteristics
  • Downloads
  • Dimensions
  • Noise level reduction
  • Pressure drops
Description
Description
PURPOSE DESIGN
  • The silencer is used for attenuation of the operation noise generated by ventilation equipment and spreaded in the air ducts.
  • Designed for connection to round air ducts.
  • The SRV silencer has a polymer-coated steel casing filled with noncombustible material that has a protective coating to prevent fiber deformation.
  • The silencer has an internal sound-absorbing element to increase sound attenuation efficiency.
Characteristics
Characteristics
Parameter SRV-400-2D
Measurement unit
Casing material polymer coated steel -
Mass 24.0 kg
Files archieve
Downloads
Name
Brochure "VPVO and VDO fan accessories" (pdf 2.92Mb)
Download high quality image "SRV" (psd 697.58Kb)
Download image "SRV" for your website (png 118.06Kb)
Dimensions
Characteristics
SRV-400-2D
Parameter Value Measurement unit
∅D 400 mm
∅D1 450 mm
∅D2 515 mm
L 802 mm
Md M6 mm
n 12 -
Noise level reduction
Noise level reduction
  • The values shown in the tables represent the difference between the sound power level (Lw) of the combination of the fan, the attenuator and the power of one fan.
  • To determine the sound power level of the fan equipped with a silencer, the insertion loss must be subtracted from the rated sound power level (Lw) of the fan on the mid-frequency spectrum in the octave band given in the fan specifications.
Model Sound attenuation by frequency band [dB] LwA [dBA]
Sound-power level, A-weighted
63 Hz 125 Hz 250 Hz 500 Hz 1000 Hz 2000 Hz 4000 Hz 8000 Hz
 SRV-400-2D 6 9 14 22 29 28 26 23 34
Pressure drops
Pressure drops
Model Air speed 5 m/s Air speed 10 m/s Air speed 15 m/s
Air flow [m³/h] Pressure drop [Pa] Air flow [m³/h] Pressure drop [Pa] Air flow [m³/h] Pressure drop [Pa]
SRV-400-2D 1900 11 3600 40 5300 94
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