The aft outflowvalve allowing cabin air to exhaust overboard to maintain cabin pressure.
后外流阀允许客舱空气排出到机外以保持客舱压力。
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The paper summarizes the working process of outflowvalve and heater gasket of second generation B737, analyses a routine malfunction and provides a train of analysis.
The pressure control system consists of an aft outflowvalve, forward outflowvalve, pressure controller, control panel, pressure sensing inputs, and monitoring indicators.