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博世力士乐高频响阀和伺服阀,4WEH22Y31-7X/6HG24N9ETK4,REXROTH伺服阀
博世力士乐高频响阀和伺服阀的主阀一般来说和换向阀一样是滑阀结构,只不过阀芯的换向不是靠电磁铁来推动,而是靠前置阀输出的液压力来推动,这一点和电液换向阀比较相似,只不过电液换向阀的前置阀是电磁换向阀,而伺服阀的前置阀是动态特性比较好的喷嘴挡板阀或射流管阀。 也就是说,伺服阀的主阀是靠前置阀的输出压力来控制的,而前置阀的压力则来自于伺服阀的入口p,假如p口的压力不足,前置阀就不能输出足够的压力来推动主阀芯动作。
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4WEH 22 G7X/6EG24N9ETK4/B10P4.5 R900930144
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:\39526590\39529839/39529830转8005或者8002
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\39529831\39529839\39529839-8007或者8008
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博世力士乐高频响阀和伺服阀,4WEH22Y31-7X/6HG24N9ETK4,REXROTH伺服阀
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