8.1
Safety Valve of the Patient System
If the pressure limit (Pmax) is exceeded considerably, or if the pressure limit control fails, the
patient system safety valve limits the gas pressure. This safety valve is permanently set to a
working pressure of 60 hPa (mbar) to 80 hPa (mbar).
screw
spring
valve disc
washer
Fig. 31: Sectional view of the safety valve
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Function Description