空调系统中调节阀的选择、安装与调试

Selection,installation and adjustment of control valve in air-conditioning systems

说明调节阀在空调系统中的重要性,指出正确选择阀门应考虑的各种因素,包括阀门的流通能力、防止汽蚀和闪蒸现象、阀门的流量特性、阀体种类和阀门的执行器的大小,对涉及到的各个环节进行了分析,提出了计算方法和经验做法。同时指出了在变流量系统和固定流量系统中的阀门安装与调试做法上的区别,给出了安装和调试步骤。

The importance of the control valve in air-conditioning system is demonstrateel, and various factors to be considered when selecting control valves are expounded, including flow coefficient, cavitations and flashing, valve flow characteristic, valve body, valve actuator, etc. The calculation method and experiential practices are recommended. The differences in installation and adjustment of the control valves between variable flow system and constant flow system are analyzed, and the concrete steps of installation and adjustment are offered.