Plc and computer integrated with automatic valve control is adopted with high degree of automation lowered labor intensity 采用plc 、微机结合自动阀门控制，自动化程度高，降低劳动强度。
The proportional flow valve control system is the most popular method among the control system of hydraulic elevators 液压电梯比例阀节流调速控制系统是目前液压电梯中应用最广泛的系统。
The fuyite brand valve control timing hydraulic coupling can resolve the above problems well , and carry out " soft start " thus 福伊特阀控调速型液力耦合器能够很好地解决以上问题，从而实现“软启动” 。
Measurement of airborne noise from hydraulic fluid power systems and components - method of determining sound power levels from valves controlling flow and pressure 液压动力系统和部件空气噪音测量.第4部分:流量和压力控制阀声功率级测定方法
