板式连接大通径电控换向阀，有三位阀功能。
Plate connected with electric control valve which had large drift diameter, have three -position valve function.
实验结果表明，被试三位五通换向阀各个通道的流量特性有较大差别。
Experimental results show that there exists large difference between different passages of the valves.
本实用新型涉及一种端面密封手动三位四通换向转阀。
The utility model relates to an end-face sealed manual three-position four-way reversing rotary valve.
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。
Slide valve 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.
电动三位四通阀是货船在装卸货物和作业时调整船舶横倾的专用设备，过去都是从国外订购。
Electric three-potential four-way valve is a special equipment for ship heeling adjustment during cargo handling operation on cargo ship. It was purchased from foreign countries in the past.
此类控制阀配有三位气动传动器、步进马达，与自适性压力控制器配套使用。
These control gate valves are available with 3-position pneumatic actuator, and with stepper motor for controlling and isolation. A valve in combination with an adaptive pressure controller.
此类控制阀配有三位气动传动器、步进马达，与自适性压力控制器配套使用。
These control gate valves are available with 3-position pneumatic actuator, and with stepper motor for controlling and isolation. A valve in combination with an adaptive pressure controller.
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