直动式减压阀由二次侧出口压力直接驱动阀门开启与关闭，以致当出口压力小于设定压力时，阀门即自动开启，至于欲达到阀门全开位置，则与压力可调范围及设定压力相关联。
本文分析直动式与先导式减压阀的结构，提出了直动式减压阀在减压回路应用当中的问题，给出了解决问题的具体方法和措施。
The article analyses the operational characteristics and insufficiencies of the reaction type pressure reducing valve and the balance type pressure reducing valve by calculation and experimentation.
介绍一种新型的直动式电反馈高压电气比例减压阀的结构原理。
The structure and principle of a new type of direct high pressure electric-pneumatic proportional reducing pressure valve with electric feedback is proposed.
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