Lichtenfels
Concept Laser
Lichtenfels
Concept Laser
- Construction of a new production hall and an administration building
- Katherm QK
- KaCool D AF
- KaCool D HY
- ProtecTor
- RRA
#trench technology
#door air curtains
#Fan Coils
#diffusers
RRA
Duct air diffusers for open ceilings
Linear duct air diffusers for visible installation combine air routing and air supply in one system.
- Ventilate
Hydraulic balancing during the planning phase
Our in-house design software for duct air diffusers verifies the hydraulic balancing of the system during the planning phase. The required balancing elements are installed at the factory. In this way, we ensure that the air reliably reaches where it is needed.
Rapid reduction of temperature and velocity in cooling mode
The linear round/oval duct air diffusers RRA and ORA generate a highly inductive horizontal jet in cooling mode. This means that the discharged air is quickly mixed with the room air. As a result, temperature differences and high air velocities are reduced rapidly.
Our products
Model sizes
The round duct air diffuser and the oval duct air diffuser are available in lengths of 500 to 2000 mm and in 18 diameters from DN 150 to DN 900 in accordance with ISO . Versions with up to 14 slot rows are available.
Application areas
RRA and ORA are used in both comfort and industrial applications, e.g. in industrial halls, laboratories or quality assurance.
Round and oval duct air diffusers for flexible room design
The round and oval duct air diffusers together form a continuous system that combines functional air routing with a clear and uniform design.
In the RRA round duct system, slot rails mounted in the axial direction and color-coordinated system components ensure a uniform appearance that can be harmoniously integrated into the interior design. Various nominal diameters, numbers of slots, colors and system components enable flexible planning.
The ORA oval duct version complements the system for applications with limited ceiling height. It has a hydraulic cross-section equivalent to standard round duct nominal diameters. Slot rows can be arranged both in the flat area and in the rounded side surfaces, enabling air routing adapted to the respective room situation.
Fittings from a single source
We supply the entire pipe system including all accessories such as straight ducts, bends, branches, reducers and couplings in a uniform appearance.
Easy installation and maintenance
The round and oval duct air diffusers RRA and ORA can be installed at any point and in any position in fitting dimensions: they can be connected to any duct or fitting from DN 150 in accordance with ISO and installed at any point in a pipe system, both horizontally and vertically.
For threaded rods, suspension points are provided in the duct sections. The easily accessible inspection couplings facilitate maintenance.
Integrated eccentric rollers
Thanks to the integrated eccentric rollers , the air jet direction in the room can be flexibly adapted to the architectural conditions, even during operation. There are various ways in which the air can flow:
- a vertical jet ensures strong constriction with low induction and at the same time high penetration depth
- a strongly fanned, one-sided jet pattern is particularly suitable for low ceiling heights and for flowing around obstacles such as lights or projections
- a two-sided jet pattern with pronounced main flows achieves high throw distances
Selection options
Adapt the product to your requirements – these options are available for selection.
Diameter
RRA: DN 150 to DN 900
ORA: 8 heights, 52 widths
Slot rows
RRA: 1 to 14 slot rows
ORA: up to 36 slots possible
Color variants
Available in a wide range of colors.
Product finder
With our free calculation program you can find the product with the right performance data for your project in just a few steps. You can then download the official technical data sheet with your individual project values as a PDF .
Project solutions
Lichtenfels
Concept Laser
Plochingen
Volksbank branch
Plochingen
Volksbank branch
Plochingen
Volksbank branch
- New construction of office and event spaces
- 238 m² GK50WT
- 409 m² MDCU
- RRA
- 9 x Katherm NK (in various versions with 6 mitred corners)
#Diffusers
#Trench technology
#Heating and cooling ceiling systems
Eindhoven
DomusDela
Eindhoven
DomusDela
Eindhoven
DomusDela
- Conversion and renovation of a church complex
- 26 x RRA
#Diffusers
#RRA
Erlangen
L'Osteria
Erlangen
L'Osteria
Erlangen
L'Osteria
- New branch of the successful restaurant chain
- ORA
#diffusers
Lingen (Ems)
Hofbräu at Wilhelmshöhe
Lingen (Ems)
Hofbräu at Wilhelmshöhe
Lingen (Ems)
Hofbräu at Wilhelmshöhe
- Ventilation of the dining area
- AHU unit
- SAL
- RRA
#diffusers
#AHU units