The open angle of the flow control valve is adjusted by electric actuator, which can be controlled remotely to meet the requirement of system measure.
流量控制阀由电动执行器调节开度，可实现远距离控制阀门的开度，以满足系统计量的要求。
The paper describes design of the intelligent electric valve actuator, which sets AT89C5131 as core and associate with relative function chips.
本文描述了以at89c 5131为核心，配合其它相关功能芯片对阀门电动执行装置进行的智能化设计。
The performance of electric actuator is very important for the controlling of electric valve, even for the ductwork.
电动执行装置性能的好坏，对电动阀门甚至整个管道系统的控制都具有十分重要的影响。
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