The paper discusses some common problems in the engineering design of the classification of air-conditioner system and smoke ventilation system as well as the set up of the fire valve.

本文对暖通设计中通风空调及排烟系统的划分、防火阀的设置等工程设计中常见的问题进行了探讨。

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The relief valve consists of a sealer and an adjusting spring. When the inlet pressure is greater than a set value, the spring pressure is overcome to discharge over-pressure air.

其安全阀是通过密封垫和调节弹簧构成的，当进口压力大于设定值时克服弹簧压力， 把过压气体泄放出去。

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E/P Positioner, P/P Positioner, Air-set, Booster relay, Air-valve, Limit switch, Solenoid valve, Lock-valve, Speed controller, Position transmitter, etc.

定位器、P/P定位器、空气过滤减压阀、气动加速器、气控阀、限位开关、电磁阀、闭锁阀、速度控制器、阀位传送器等。

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E/P Positioner, P/P Positioner, Air-set, Booster relay, Air-valve, Limit switch, Solenoid valve, Lock-valve, Speed controller, Position transmitter, etc.

定位器、P/P定位器、空气过滤减压阀、气动加速器、气控阀、限位开关、电磁阀、闭锁阀、速度控制器、阀位传送器等。

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