在靠冷凝器的位置有一个气动蝶阀，将冷凝器与真空系统隔开。
A pneumatically activated butterfly valve is located close to the condenser to isolate the vacuum system from the condenser.
秦工生产的GIQ型气动高真空蝶阀是通过电磁换向阀改变气路方向，控制执行气缸驱动蝶阀作启闭运动。
GIQ pneumatic high vacuum butterfly valve uses solenoid directional valve to change the direction of air passage, and controls the actuating cylinder to drive the butterfly valve opened and closed.
VTLPBUF01型气动高真空蝶阀是通过电磁换向阀改变气路方向，控制执行气缸驱动蝶阀作启闭运动。
VTLPBUF01 pneumatic high vacuum butterfly valve USES solenoid directional valve to change the direction of air passage, controls the actuating cylinder to drive the butterfly valve opened closed.
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