Description Operating manual - Fan CF-C
24 of 84 www.elektror.com 2004930 10.19/0.2
EN
3.3.4 Hub seal with a special ring
Hub seal with a special ring
The seal, depending on the application, can be equipped with
one or several graphite rings. The hub seal is a labyrinth seal.
In order to increase the efficiency of hub sealing, it can be
made in the form of a gas dynamical seal wi
th a barrier gas
For gas dynamical seal, make sure that the barrier gas pressure
is always higher than the pressure generated by the fan, which
affects the hub seal.
In suction mode, the maximum static pressure increase
− In pressure mode, the total pressure increase
3.4 Console with frame
Consoles
The console with frame is used to fasten drive elements.
3.5 Cooling disk
Between the hub seal and the bearing block, a cooling disk for
discharging heat is fitted.
3.6 Electric motor (drive motor)
The electric motor is designed according to DIN VDE 0530.
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