Slidevalve function of three position directional valve not only affects the working state of hydraulic system but also affects the working performance of implement part when changing direction.
三位换向阀滑阀机能不但影响液压系统的工作状态，也影响执行元件换向时的工作性能。
2
It is the executing agency Emergency Trip slidevalve.
它的执行机构是危急遮断滑阀。
3
It analyzes the recent fault for the second-stage double acting slidevalve, and summarizes the methods of judging and treating the common fault for electro-hydraulic actuator.