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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
Length
mm
Splitter info
Pressure loss factor
Air volume
qv
Description

DLD-900-800-2450-1016

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DLD has a conventional design with dimensions that not exceed the corresponding connection dimensions. The attenuator can be manufactured in all standard duct sizes.

Design

DLD has an outer sheet casing of trapezoidal corrugated sheet metal for stability and reduced risk of natural oscillation.
DLD is designed for low air resistance with baffle combinations that attenuate particularly low-frequency noise well.
The type of insulation material has been developed to provide good noise properties, low weight and to be cleanable.

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

DLD is equipped with joining profile type RJFP or LS.

Tools for dimensioning and planning

The software lindQST, DIMsilencer and Cadvent offer features for dimensioning and selection of products in an environment with 3D modelling. Computerised planning can be conducted with automatic presentation of noise levels, pressure drop etc.

Tested according to ISO 7235 standard.


Total pressure loss
Pa
Face velocity
m/s
63 125 250 500 1K 2K 4K 8K dB(A) NR
Lwi - - - - - - - - 0 0
ΔL 4 17 34 50 50 44 30 22
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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