As important directional control valve, direction valve is used to control the direction of movement part.

换向阀作为重要的方向控制阀，用来实现运动部件的方向控制。

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An integral electronic board, mounted to the side of the valve, may be utilized to control the 4-way directional valve and motor direction (when not using a rotary encoder control).

安装在计量阀侧边的集成电板可用于控制该独特的4通阀门和马达方向（在不使用旋转编码控制器时）。

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CF pneumatic high vacuum flapper valve USES solenoid directional valve to change the direction of air passage, and controls the actuating cylinder to drive the valve opened and closed.

CF高真空挡板阀系列是通过电磁换向阀改变气路方向，控制执行气缸驱动阀门作启闭运动。

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