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    结构原理

    气动低温调节阀由气动薄膜执行机构和耐低温的单、双座阀两部分组成。
    由调节器来的信号压力输入气动薄膜执行机构的气室,产生推力,通过
    连接杆件带动阀芯,阀芯位置的变化使阀的流通截面积变化,实现对介质
    流量的调节。
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