气动—使用辅助压缩空气或水压力转换阀，而不是一个螺线管操作。会议提供了一个选择3个气动操作压力等级。
Air Operated - Uses auxiliary compressed air or water pressure to shift valve, rather than a solenoid operator. ASCO offers a choice of 3 pneumatic operator pressure ratings.
阀架上面安架空气接头，各种转换点，软管，计量表，阀门等。
Valve Stand: Support air supply header and various takeover points, flex hoses, gauges, valves, etc.
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