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Program 6: Delicate 121
Program 6 is recommended for sterilizing delicate instruments at
temperatures of 121ºC/250ºF with slow exhaust, which its
manufacturer declares their compliance to be sterilized in the following
conditions:
The solid load shall not exceed 8kg (17.6 lb).
Nominal Parameters
• Sterilization temperature: 121ºC (250ºF).
• Sterilization time: 20 minutes.
• Max. cycle time: 55 minutes.
• Average cycle time: 45 minutes.
Operation Sequence
• Air removal phase; two vacuum pulses as described in the diagram
below. Saturated steam is introduced into the chamber until the
sterilization temperature is reached.
• Sterilization phase; temperature and pressure are maintained
constant at the pre-set level for the sterilization time.
• Slow exhaust phase; steam is slowly exhausted from the chamber
by pulses of the exhaust valve, until the pressure equals the
atmospheric pressure.
Cycle start
Cycle end
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