Protective equipment
4.2 Protective housing with doors
Pressure-tight housing which prevents the penetration of ambient atmosphere
when closed and ready for operation.
Fig. 4.1: Housing, rooms with lockable doors
Protective covers (doors) of the housing separate electrical, ignitable modules and
hot surfaces from the environment. Hasps may only be opened with a tool.
4.3 Monitoring of the flushing process and overpressure of flushing system
Control unit for monitoring flush volume and overpressure of the ignition protection
gas. Prevents startup and operation of the device in case of insufficient
characteristic values.
Fig. 4.2: Depiction of control unit for pre-flushing and overpressure (example)
4.4 Cable bushings
Cable bushings for control and signal lines with ATEX/IECEx approval ensure a
sealed connection between the cable harness and housing/screw fitting.
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