DUS is an exposed hemisphere-shaped displacement diffuser for ventilation movie theaters, congress halls, schools, etc.
The unit was designed to be mounted under seats/chairs, on the vertical surface of the step. It is connected to either the common pressure chamber under the auditorium, or directly to individual air connection ducts. DUS is equipped with a deflector plate, that is able to increase the pressure drop to 15-35 Pa, depending on the position of the plate, providing a more even air distribution.
Recommended ∆t: 3 - 4°C
Unit size: 100 mm
Air transmission: 35 - 75 m³/h (10 - 21 l/s)
Recommended ∆t = max. 3 - 4°C chilled air
Pressure drop: approx. 15 - 30 Pa
Perforated sheet steel, powder coated in RAL 9003 standard white color. Rubber sealing on the air spigot connection.