GDQ pneumatic high vacuum flappervalve USES solenoid directional valve to change the direction of air passage, controls the actuating cylinder to drive the valve opened closed.
GD Q气动高真空挡板阀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。
2
GDQ pneumatic high vacuum flappervalve USES solenoid directional valve to change the direction of air passage, and controls the actuating cylinder to drive the valve opened and closed.
GD Q型气动高真空挡板阀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。
3
GDQ pneumatic high vacuum flappervalve USES solenoid directional valve to change the direction of air passage, and controls the actuating cylinder to drive the valve opened and closed.