OverviewModular linear slot diffuser family for wall installation offering multiple variants to meet different installation and acoustic requirements.
Key benefits- Effective airflow distribution to maintain clean, fresh air
- Low noise operation with high cross-talk sound attenuation thanks to the integrated silencer
- Flexible installation: variable box shapes for diverse wall conditions; easy to install and maintain
- Options for tangential or mixed-source airflow to match project needs
- Easy cleaning and reduced soiling with LTG System clean®
Product presentationLinear slot diffuser for wall installation available in LW module variants (examples: 12clean/3, 12style/3). Designed for effective ventilation with controlled noise emission and simplified cleaning. Multiple variants and lengths are available to suit specific building requirements; ceiling and floor versions exist within the same product family.
Technical data (highlights)Technical reference values at LpA = 35 dB(A):
Number of slot rows: 3
LTG System clean®: Standard
Supply/exhaust air volume at LWA = 35 dB(A) [m³/h at L = 1000 mm]: 85
Integrated silencer: Standard (improves cross-talk sound attenuation)
Air flow type: tangential flow
Dimensions (length in mm)Available standard lengths: 800, 900, 1000 and 1200 mm — other lengths on request.
Standard height for edge profile 1: 129 mm
Standard height for edge profile 8: 110 mm
Further information / features- Air flow: tangential flow (example)
- Standard edge profiles illustrated: edge profile 1 and edge profile 8
- Variants available with different numbers of slot rows and spigot diameters
Variations (table)Type | Slot diffuser type | Number of slot rows | Edge profile | Length | Number of spigots | Spigot-Ø
K | 20classic | 1 | 11 | 550 | 2 | 100
K | 20classic | 1 | 88 | 550 | 2 | 100
K | 20classic | 1 | 11 | 800 | 2 | 100
K | 20classic | 1 | 88 | 800 | 2 | 100
K | 20classic | 1 | 11 | 1000 | 2 | 100
K | 20classic | 1 | 88 | 1000 | 2 | 100
K | 20classic | 1 | 11 | 1200 | 2 | 100
K | 20classic | 1 | 88 | 1200 | 2 | 100
K | 20classic | 2 | 11 | 550 | 2 | 100
K | 20classic | 2 | 88 | 550 | 2 | 100
K | 20classic | 2 | 11 | 800 | 2 | 100
K | 20classic | 2 | 88 | 800 | 2 | 100
K | 20classic | 2 | 11 | 1000 | 2 | 100
K | 20classic | 2 | 88 | 1000 | 2 | 100
E | 20classic | 2 | 11 | 1200 | 2 | 100
E | 20classic | 2 | 88 | 1200 | 2 | 100
K | 20classic | 3 | 11 | 550 | 2 | 100
K | 20classic | 3 | 88 | 550 | 2 | 100
K | 20classic | 3 | 11 | 800 | 2 | 100
K | 20classic | 3 | 88 | 800 | 2 | 100
K | 20classic | 3 | 11 | 1000 | 2 | 100
K | 20classic | 3 | 88 | 1000 | 2 | 100
K | 20classic | 3 | 11 | 1200 | 2 | 100
K | 20classic | 3 | 88 | 1200 | 2 | 100
K | 20classic | 4 | 11 | 550 | 2 | 125
K | 20classic | 4 | 88 | 550 | 2 | 125
K | 20classic | 4 | 11 | 800 | 2 | 125
K | 20classic | 4 | 88 | 800 | 2 | 125
K | 20classic | 4 | 11 | 1000 | 2 | 125
K | 20classic | 4 | 88 | 1000 | 2 | 125
K | 12clean | 4 | 11 | 1200 | 2 | 125
K | 12style | 4 | 88 | 1200 | 2 | 125
E | 12clean | 1 | 11 | 550 | 1 | 100
K | 12style | 4 | 11 | 1200 | 2 | 125
E | 12clean | 1 | 88 | 550 | 1 | 100
K | 12style | 4 | 11 | 1200 | 2 | 125
Downloads & tools (listed on product page)Technical brochures, installation instructions, tender texts, DWG downloads and dimension/design tools available on the product page.
Technical specifications- Product family: LW module linear slot diffusers for wall installation
- Number of slot rows (example for this product): 3
- Acoustic rating example: LpA = 35 dB(A)
- Supply/exhaust air volume at L = 1000 mm (at LWA = 35 dB(A)): 85 m³/h
- Edge profile heights: profile 1 = 129 mm; profile 8 = 110 mm
- Available standard lengths: 800, 900, 1000, 1200 mm (other lengths on request)
- Integrated silencer: standard (improves cross-talk sound attenuation)
- Air flow type: tangential flow
- LTG System clean®: integrated as standard for reduced soiling and easier cleaning