The sterilization cycle profile
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All available sterilization cycles feature the same basic pressure profile as shown in the graph below.
The duration of the sterilization phase (or plateau time) and the sterilization temperatures differ between the various cycles.
Pressure
Time
LEGEND
PHE
Pre-heating (this is not considered a
part of the cycle)
PG1
De-aeration (purging of air from the
sterilization chamber)
PPH Rise to the sterilization conditions
PR Process (plateau/sterilization time)
EVAP Low-pressure evaporation
VEN Chamber venting
LEV Pressure leveling
De-aeration
Holding time
(plateau)
Moisture
evaporation
Pressure
rise
Heating
Venting and
pressure
levelling
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