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调速阀的作用

更新时间: 2020-09-18 00:00:00     

调速阀是由定差减压阀与节流阀串联而成的组合阀,作用主要是:

1、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 ;

2、节流阀前、后的压力分别引到减压阀阀芯右、左两端,当负载压力增大,于是作用在减压阀芯左端的液压力增大,阀芯右移,减压口加大,压降减小,从而使节流阀的压差保持不变。

关键词: 作用

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