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特点
Characteristic
阀门能承受正压力；
Valves can withstand positive pressure;
阀杆上下不窜动；
The valve stem does not move up and down.
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。
The air path direction is changed by electromagnetic reversing valve, and the actuating cylinder is controlled to drive the butterfly valve to open and close.
用于接通或切断真空管路中的气流。
Used to connect or cut off the air flow in the vacuum pipeline.
适用介质为纯净空气和非腐蚀性气体。
Applicable medium is pure air and non-corrosive gas.
可选配反馈信号装置及电气阀门定位器。
Feedback signal device and electric valve positioner are optional.