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2.3.1. APL valve
WARNING: Do not place the pipeline and line near the APL valve, and do not get them
stuck under the APL valve for the convenience of quick adjust the APL valve.
CAUTION: The APL valve is not working in auto control state.
APL valve has two functions: to limit the maximum pressure during manual ventilation and to lower
the airway pressure by lifting the APL valve.
The adjustable scale range (0 ~ 70cmh2o) is marked on the APL valve, and the maximum
pressure limit of the respiratory system under manual mode is set by adjusting the APL valve. The
adjustable scale range (0 ~ 70cmh2o) is marked on the APL valve, and the maximum pressure
limit of the respiratory system under manual mode is set by adjusting the APL valve. Its scale is
displayed as an approximate value. In the manual mode, rotate the APL valve clockwise to
increase the pressure limit, and counterclockwise to reduce the pressure limit; The APL valve can
be lifted at any scale position for rapid exhaust, and the gas in the respiratory system can be
quickly discharged into the anaesthesia waste gas removal system.
Table 2-5 APL Valve
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