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调速阀反接会出现什么情况
更新时间: 2020-09-23 00:00:00  

调速阀进出油口接反,会导致调速管路完全关闭,此路不通,不能调速。因为节流阀上游压力总是大于下游压力,当进出油口接反时,定差减压阀阀芯在弹簧力和节流阀两端的压差作用下,使开口始终处于最大值,调速阀只能起到节流阀的作用,没有稳定速度的功能。油缸一般采用回油调速,接反后会变成进油调速。进油调速建立不了背压,油缸易失控。

调速阀是由定差减压阀与节流阀串联而成的组合阀。节流阀用来调节通过的流量,定差减压阀则自动补偿负载变化的影响,使节流阀前后的压差为定值,消除了负载变化对流量的影响。

关键词: 出现 什么 情况

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