Slot diffuser | LDB 20 Classic

20 mm roller diameter
17 single beams
High comfort

Slot diffuser for high comfort

Adjustable slot diffuser for constant or variable volume flow.
Individually configurable air flow, subsequently adjustable.
Adjustable for volume flow ranges from 100 … 20 % of the nominal volume flow, without additional mechanics.

Discharge direction adjustable by 180°, factory-set, with reproducible setting at any time.
Subsequent adjustment possible in the installed state, almost closed adjustment also possible.

Roller-shaped outlet elements, high induction, air-optimized inner contour, rapid reduction of outlet velocity and temperature difference.

  • Roller diameter 20 mm
  • Flow characteristics from flat ceiling jet to wide jet fanning in 17 individual jets per meter of 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 for L_pa= 35 dB(A)

Number of slot rows 1-4 Recommended air volume 1-slot: 110 m³/h at 36 dB (A) Recommended air volume 2-slot: 190 m³/h at 38 dB (A) Recommended air volume 3-slot: 250 m³/h at 31 dB (A) Recommended air volume 4-slot: 300 m³/h at 36 dB (A) Integrierter Schalldämpfer (optional)

Dimensions (length in mm)

until 2000 Profile width [mm] 31-160


Adjustable outlet elements Anschlusskasten mit integriertem Drosselelement

Selection of possible edge profiles

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

Air diffusion


Overview brochure air diffusers (ceiling/wall/floor) German
PDF 367.24 kB
Brief information Linear diffusers LDB German
PDF 2.05 MB
Technical brochure Linear diffusers LDB/LDBclean German
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Tender text Linear diffusers LDB 20classic German
DOC 16.68 kB
Installation instructions Linear diffusers LDB German
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Design tool for Linear diffusers LDB/LDBclean German
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Presentation Linear diffusers LDB German
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Ordering aid Linear diffusers LDB/LDBclean German
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