新型气动放大器在阀门定位器上的应用

Application of a New-style Pneumatic Amplifier on Valve Positioner

该文介绍了一种新型气动放大器的结构和工作原理及其在阀门定位器上的应用。它具有体积小、寿命长、安装方便、高低压工作通用性强等特点，其性能显著优越于传统的气动放大器。

The paper describes the structure and working principle of a new pneumatic amplifier and its application in intelligent valve positioner. The amplifier is characterized with the advantages of small volume, long life, easy installation, workability at high pressure and low pressure and others. Its performance is obviously superior to its traditional counterparts.