| 摘要 |
An aircraft cabin pressure control system valve integrates three cabin pressure control functions, main cabin flow control, positive pressure relief, and negative pressure relief, into a single valve package. The valve includes a control valve that is used for main cabin flow control, for primary positive pressure relief, and primary negative pressure relief. The valve can also include a positive pressure relief valve and a negative pressure relief valve, which are used for backup positive pressure relief and negative pressure relief, respectively. An actuator for the valve is also provided.
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