The flexible Dalap ALITSONO air duct with a diameter of 250 mm and length of 5 m is thermally insulated & sound-absorbing, making it ideal for locations with requirements for enhanced sound protection such as education centres, kindergartens, hospitals or spa centres. The insulated aluminium flex duct is used, for example, as a connection to ventilation systems such as kitchen extractor hoods, heat recovery or air conditioning systems.
The Dalap ALITSONO 250/5 air duct consists of micro-perforated, polyester-laminated aluminium foil, reinforced with a spring spiral made of carbon steel and a 25 mm thick insulation layer of mineral wool. It is suitable up to a temperature of -30 °C - +140 °C, with a velocity of 30 m/s and pressure of 2500 Pa.
Technical data
| Diameter [mm] |
250 |
| Length [m] |
5 |
| Max. pressure [Pa] |
2500 |
| Weight [kg] |
4.6 |
| Dimensions [mm] |
see image |
| Material |
Aluminium, mineral wool |
| Fire resistance |
yes |
| Operating temperature [°C] |
-30 to +140 |
| Colour |
silver |
| Air ducts |
yes |
| Version |
flexible duct with insulation |
| Model |
ALITSONO 250/5 |
