黎翔机电REXROTH德国力士乐销售部询价联系人：何小姐

REXROTH德国力士乐询价电话：15072720048

REXROTH德国力士乐询价 QQ:3206749044

REXROTH德国力士乐询价邮箱：736567721@qq.comDG5VH82AMUD530
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DG5V-5-2A-T-M-U-H5-20力士乐减压阀R900582961 ZDR6DP3-4X/150YMV
力士乐减压阀R900583356 ZDR10DB2-5X/75YM/12
力士乐减压阀R900583374 ZDR10DA1-5X/210Y/12
力士乐减压阀R900585004 ZDR10DP2-5X/210YMSO33
力士乐减压阀R900585362 ZDR10DA2-5X/150YM/12
力士乐减压阀R900586123 ZDR6DB2-4X/75YMV
力士乐减压阀R900587413 ZDR10VB5-3X/50Y
力士乐减压阀R900587492 ZDR10DA2-5X/75Y/12
力士乐减压阀R900587565 ZDR10DB2-5X/210YMV
力士乐减压阀R900587665 ZDR10DA1-5X/75Y/12
力士乐减压阀R900595461 ZDRK10VA5-1X/100YV
力士乐减压阀R900608719 ZDR10VP6-3X/200YM/12
力士乐减压阀R900700998 ZDRK6VP5-1X/50YMV/12
力士乐减压阀R900700999 ZDRK6VP5-1X/100YMV/12
力士乐减压阀R900712080 ZDRK10VA5-1X/100YV/12
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力士乐减压阀R900721394 ZDRK10VP5-1X/50YMV/12
力士乐减压阀R900721396 ZDRK10VP5-1X/100YMV/12
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力士乐减压阀R900721404 ZDRK10VB5-1X/100YV/12
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R901144763 ZDR6DP2-4X/160YMV/60　　先导式溢流是由先导阀和主阀组成。先导阀实际上是一个小流量直动型溢流阀，其阀芯为锥阀。主阀芯上有一阻尼孔，且上腔作用面积略大于下腔作用面积，其弹簧只在阀口关闭时起复位作用。
　　比例溢流阀是一种闭环智能控制的溢流阀，其执行器可以根据控制器发出的模拟信号来调整阀门开度，是使系统的控制参数自动保持在设定的范围内。
　　普通溢流阀与比例溢流阀一样，都有一个阀芯，阀芯的一端是液压油产生的压力，另一端是机械力。普通溢流阀通过调节弹簧力，来调整液压压力。而比例溢流阀是电磁铁直接产生推力，作用在阀芯上，电磁铁上的输入电压可以在0-24伏之间变化，产生的推力就随之变化，从而得到连续变化的液压压力。
　　因为比例电磁铁的推力不大，所以直动式比例溢流阀的流量很小，压力70兆帕时，流量只有1升/分钟左右。需要大流量比例阀的时候，要把这个比例阀做先导阀，下面还要配一个大通径的溢流阀。
　　二、减压阀
　　减压阀是利用液流流过缝隙产生压力损失，使其出口压力低于进口压力的压力控制阀。
　　按调节要求不同，有定值减压阀，定差减压阀，定比减压阀。其中定值减压阀应用最广，又简称减压阀。
　　减压阀由压力先导阀和主阀组成。出口压力油引至主阀芯上腔和先导阀前腔，当出口压力大于减压阀的调定压力时，先导阀开启，主阀芯上移，减压缝隙关小，减压阀才起减压作用且保证出口压力为定值。R900331577  DB10G2-4X/350Y W65
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