弹簧隔膜式气动执行机构

Spring-diaphragm actuators

介绍了QPⅡ系列弹簧隔膜式气动执行机构的结构、工作原理和输出扭矩特性及其在调节阀应用方面的性能优势。

Introduction of the structure,principle of the Quadra Powr Ⅱ spring diaphragm actuator,it's characteristic of the output torque and the advantage performed in control valve.