派克比例换向阀D111VW020B2NJW91

  • 发布时间:2025-02-19 09:36:41,加入时间:2014年01月11日(距今4135天)
  • 地址:中国»湖北»鄂州:武汉市武昌区倒口湖长江紫都三期B2地块第3幢8层9
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比例阀或伺服阀的目的就是:以电控方式实现对流量的节流控制(当然经过结构上的改动也可实现压力控制等),既然是节流控制,就必然有能量损失,伺服阀和其它阀不同的是,它的能量损失更大一些,因为它需要一定的流量来维持前置级控制油路的工作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,而是靠前置级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级阀是电磁换向阀,而伺服阀的前置级阀是动态特性比较好的喷嘴挡板阀或射流管阀。D81VW009C2NYW D81VW009C2NYW91

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派克比例换向阀D111VW020B2NJW91

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