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System
Placement
Fan
Lwi
63 125 250 500 1K 2K 4K 8K
Duct type
Silencer type
Product name
Width
mm
Height
mm
Splitter info
Leg length, Inlet
mm
Leg length, Outlet
mm
Pressure loss factor
Air volume
qv
Description

DACKA-V-100/200-900-800-200-200

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Rectangular curved attenuator
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DACKA-V is a curved rectangular sound attenuator with conventional design with width and height dimensions that doesn't exceed the present connection dimensions. Sizes available between (a x b) 400 x 200 mm to 2400 x 2000 mm.

Design

DACKA-V has an external shell of trapezoidal corrugated sheet metal for stability and reduced risk of oscillation. The absorption material AcutecĀ® is developed to provide good sound properties, low weight and to be cleanable. The sound attenuator is equipped with the joining profile type RJFP or LS or PG.

DACKA-V meets the requirements of air tightness class C and pressure class 2 according to EN 1507:2006.

Tested according to ISO 7235.

For special materials or sizes, please contact your local Sales department.

To select and size the appropriate attenuator to provide the best performance for your application please use our online tool LindQST.


Total pressure loss
Pa
Face velocity
m/s
63 125 250 500 1K 2K 4K 8K dB(A) NR
Lwi - - - - - - - - 0 0
IL 1 5 8 7 9 4 4 5
Lw 0 0 0 0 0 0 0 0 0 0
Lwo - - - - - - - - 0 0
dB dB dB dB dB dB dB dB dB(A) NR

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