Single dry plate, diaphragm spring type, hydraulically operate.
单干板，膜片弹簧式，液压操作。
2
This article describes the structure of the imported pneumatic diaphragm regulating valve and maintenance method of this type of valve.
本文介绍了进口隔膜式调节阀的结构，以及这种阀门的维护保养方法。
3
According to characteristics of chemical industry process of production, this paper details the pneumatic diaphragm valve, s choice on type, acting mode, specific property of flow and diameter size.