Slot air diffusers

Linear ventilation system for sophisticated architecture

Slot air diffusers enable precise, draft-free air supply with defined air throw patterns and high comfort. They are ideal for modern room concepts where design, functionality and flexibility are equally important.

  • Ventilate
Ein an der Decke eingesetzter Luftdurchlass SAL.
Ein an der Decke eingesetzter Luftdurchlass SAL.

Flexible design

The SAL slot air diffuser is available in widths from 35 mm. With multi-row designs, band arrangements and mitred corners in almost any angle, the SAL can be optimally adapted to any room situation. For band designs, connecting and centering profiles are supplied as standard.

Stable underfoot, safe and barely visible

Thanks to the robust extruded aluminium profiles, the front section of the SDA is walkable. With a gap dimension of only 2 mm, the profiles are protected against unintended interference. The visible area of the SDA is limited to just 38 mm in width (59 mm in the double-row design). The two support profiles are available in different RAL colours and anodized finishes.

Our products

SAL

  • Ventilate
SAL is a linear slot air diffuser for supply and extract air in a single-row or multi-row design for installation in suspended ceilings and is operated with a plenum box.

SDA

  • Ventilate
The SDA is a walkable slot jet air diffuser for installation in raised floors in a single-row or double-row design.

SAL slot air diffuser

The SAL is available in two variants, with a profile width of 35 mm (SAL35) or 50 mm (SAL50).

Installation location: Suitable for installation with an open ceiling structure

SDA slot nozzle air diffuser

To enable precise planning, the SDA is available in both single-row and double-row designs and offers length options from 500 to 2000 mm.

Installation location: Raised floor

  • Installation as a visually continuous band using the supplied connecting plates
  • Optimal integration into the architecture
  • Manufactured with round or oval connectors

Variable air guidance with eccentric rollers

The patented eccentric rollers in the SAL slot air diffuser enable variable air guidance and can be adjusted at any time afterwards, continuously between 0° and 180°.

On request, each individual roller element is supplied from the factory in a defined setting that can be read directly on the roller body. This not only guarantees maximum comfort, but also saves on-site adjustment effort.

Draft-free air distribution

The SDA slot air diffuser enables comfortable air supply from the floor. The air flow rises along the wall or the façade and is effectively distributed throughout the room at low velocity. The 100 mm long nozzle elements allow three different air directions to be preset:

  • One-sided
  • Vertical
  • Alternating

Application areas

  • In offices, conference rooms, IT rooms, clean rooms, department stores, cinemas, theatres, etc.
  • In comfort areas with medium room heights in heating and cooling mode or when installation in the ceiling is not possible or desired.
  • In areas with high air change rates and low air velocities
  • For variable volume flow systems

Technical features

Comfortable mixed ventilation with the SAL

  • Patented eccentric rollers
  • Achievement of high volume flows at low sound power levels
  • High room air induction
  • Rapid reduction of temperature differences and air velocities
  • Minimization or elimination of draft risks

Simple hydraulic balancing

  • Optional, front-adjustable damper
  • Adjustment of the volume flows after installation of the SAL
  • Simple operation via a screwdriver through the front panel

Simple, installation-friendly design

The SAL and SDA slot air diffusers are designed for efficient and safe installation and support quick installation on site.

The SAL slot air diffuser can be designed in two variants: with a cover profile (ZS) and end plates, or with a 12 mm wide support profile (ZB) and end angles.
In both versions, it is possible to receive the slot diffuser firmly pre-assembled to the plenum box at the factory; alternatively, installation by means of a traverse is possible – for quick and easy ceiling installation.

For the SDA slot air diffuser, the front profile is inserted without tools into the pre-assembled, height-adjustable plenum box, which is also suitable for use in raised floors. Seals ensure airtight connections. The front section can be completely removed without tools for maintenance and cleaning in accordance with VDI 6022.

Selection options

Adapt the product to your requirements these options are available for selection.

Slot rows

1- to 4-row (SAL)
1-row or 2-row (SDA)

Color variants

Wide range of possible paint finishes and anodized finishes

Slot lengths

500 to 2000 mm

Profile width

35 or 50 mm (SAL)

Connector

round or oval (SDA)

Project solutions

An der Decke eingebauter Luftdurchlass SAL.

Lingen (Ems)

Hofbräu at Wilhelmshöhe

Lingen (Ems)

Hofbräu at Wilhelmshöhe

  • Ventilation of the dining area
  • AHU unit
  • SAL
  • RRA
#diffusers
#AHU units
Blick auf eine gelochte Gipskartonheiz-/kühldecke GK50WT und einem SAL Luftdurchlass in einem Büroraum mit gläserner Akustiktrennwand in Kacheloptik.

Aurich

Autohaus Senger

Aurich

Autohaus Senger

  • New construction of a car dealership as a flagship project
  • 235 m² GK50WT heating and cooling ceiling systems incl. drywall works
  • SAL
#Heating and cooling ceiling systems
#Diffusers
Weiße, gelochte GK50WT Gipskartonheiz-/kühldecke mit integriertem SAL Zu- und Abluftschlitzdurchlass.

Rostock

WG WARNOW headquarters

Rostock

WG WARNOW headquarters

  • New construction of a multifunctional building ensemble
  • approx. 1,600 m² GK50WT
  • approx. 80 x SAL
#Diffusers
#Heating and cooling ceiling systems
Blick in das Deutsche Fußballmuseum in Dortmund mit dem Weltmeisterbus von 2014, einer großen Glasfassade mit davon installierten Katherm QK und SAL Luftdurchlässen an der Decke.

Dortmund

German Football Museum

Dortmund

German Football Museum

  • New pilgrimage site for football fans
  • Katherm QK with Optiline aluminum grille
  • SAL35 slot air diffusers (profile width of 35 mm)
  • KaControl control system
#Diffusers
#Trench technology
#Control technology
An der Decke montierte SAL Luftdurchlässe.

Hamburg

Hanseatic Housing Cooperative

Hamburg

Hanseatic Housing Cooperative

  • New office building for the Hanseatic Housing Cooperative (administrative office, retail space and residential units)
  • 100 x SAL (size 35)
  • 1,000 m² gypsum board heating/cooling ceiling GK50WT
#diffusers
#Heating and cooling ceiling systems
Ein an der Decke installierter Luftdurchlass SAL.

Nordhorn

Vrielmann GmbH

Nordhorn

Vrielmann GmbH

  • New construction of the company headquarters
  • 13 x DAL359 
  • 55 x SAL
  • 8 x TOP including KaMax air outlet
  • 7 x Venkon
  • 1,200 m² GK50WT
  • 2 x AHUs (8.000 m³/h as well as 3.300 m³/h with counterflow heat exchanger)
#Unit Heaters
#AHUs
#diffusers
#Fan Coils
#Heating and cooling ceiling systems
In der Zwischendecke der Käse- und Fleischtheke des REWE Marktes installierte Luftdurchlässe SAL.

Nordhorn

REWE market

Nordhorn

REWE market

  • New construction of a REWE market
  • 1 x KaCompact KG (size 60) with a NOVA pressurization system 
  • 8 x Ultra (size 96)
  • 2 x TOP (size 45 and size 44)
  • 1 x Tandem (size 25 in RAL 7016)
  • SAL and DAL (slot and swirl air outlets for the meat counter)
#Air handling units
#Unit Heaters
#door air curtains
#Diffusers

We're happy to help

Find your contact person in our extensive sales network.