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63 125 250 500 1K 2K 4K 8K
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LRLB-900-150-300

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Rectangular straight low-built attenuator
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Low height rectangular attenuator.
Attenuation material is Lindtec glass wool.

Insulation has a surface protector which can be cleaned with a rotating nylon brush or vacuum cleaner.

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

Tested according to ISO 7235 standard.

LRLB is pressure equipped with joining profile type RJFP or LS.

For special materials and sizes, please contact Lindab sales.

The attenuator is also available with the following accessories/ options:
TRA = Non-insulated inspection hatch.

Total pressure loss
Pa
Face velocity
m/s
63 125 250 500 1K 2K 4K 8K dB(A) dB(C) NR
Lwi - - - - - - - - 0 0 0
IL 1 3 7 8 11 11 9 7
Lw 0 0 0 0 0 0 0 0 0 8 0
Lwo - - - - - - - - 0 0 0
dB dB dB dB dB dB dB dB dB(A) dB(C) NR

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