For four operators and six treatment rooms.
Operators = Number of treatment stations with simultaneous operation Rooms = Number of stations that can be connected with simultaneity factor 60%
1) AAV = auxiliary air valve
2) The noise level is influenced by the room in which the system is installed. In a reverberant room (e.g. with tiled walls) the noise level may be higher.
3) Separation rates measured by the TÜV [technical monitoring authority] Essen in accordance with the German standard test at maximum rate of fluid flow.