Linear Diffuser LDB 20 classic ceiling mounted

Ø Diffuser elements 0.78 in
17 individual micro-jets
high comfort

Adjustable linear diffuser for constant or variable flow rates.

Individually adjustable air flow, even after installation.
May be adjusted to ranges of 100 … 20 % of the nominal volume flow rate without the need for any additional mechanical devices.
Direction of diffusion adjustable by 180°, factory-set, setting may be reproduced at any time.
Subsequent adjustment possible even after installation, adjustment with close-to-zero opening possible.
Cylindrcal diffuser elements with high induction ratio, optimized contour, rapid reduction of expelled air speed and temperature difference.

  • Ø Diffuser elements 0.78 in
  • Flow pattern from flat ceiling jet to broad jet comprising of 17 individual micro-jets per meter and slot row
  • High comfort

Ready for a breath of fresh air? Contact our comfort air experts now and breathe a sigh of relief - in the truest sense of the word!

Technical data

Technical Data

Number of slots 1 - 4 Recommended air volume per linear foot with sound power level L((WA) 1 slot 20 cfm with 36 dB(A), 2 slots 34 cfm with 38 dB(A), 3 slots 45 cfm with 31 dB(A), 4 slots 55 cfm with 36 dB(A) NC 20 1) Integrated sound absorber optional on request

Dimensions (length in inch)

up to 80 Profile width [inch] 1.2 to 6.3


Diffuser elements adjustable (Standard) Connection box with integrated balancing damper (Standard)

Choice of border profiles

Type 5
Type 0
Type 8
Type 1
Type 4
Type 2

Air diffusion


Overview Brochure Air Diffusers USA
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Short Information Linear Diffuser LDB USA
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Selection Software Linear Diffuser LDB USA
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Picture Linear Diffuser LDB 20classic
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