ZY47型自力式压差控制阀的选用

The adaption condition and the selection of the valve of the type ZY47 controlled by the pressure difference

介绍了ZY47型自力式压差控制阀的工作原理和选型方法 ,分析了不同被控环路系统的适用条件。

Introduces the working principle and the method of the selection about the type ZY47 Valve controlled by the pressure difference,and analyses its adaption condition.