采购原装的REXROTH溢流阀/力士乐中国
我们先对 REXROTH溢流阀有个初步的认识, REXROTH溢流阀是由电磁线圈和磁芯组成,是包含一个或几个孔的阀体。当线
圈通电或断电时,磁芯的运转将导致流体通过阀体或被切断,以达到改变流体方向的目的。 REXROTH溢流阀的电
磁部件由固定铁芯、动铁芯、线圈等部件组成;阀体部分由滑阀芯、滑阀套、弹簧底座等组成。电磁线
圈被直接安装在阀体上,阀体被封闭在密封管中,构成一个简洁、紧凑的组合。我们在生产中常用的电
磁阀有二位三通、二位四通、二位五通等。这里先说说二位的含义:对于 REXROTH溢流阀来说就是带电和失电,
对于所控制的阀门来说就是开和关。
我们制氧机仪控系统中,二位三通 REXROTH溢流阀用的zui多,它在生产中可用来接通或切断气 源,从而对气动
控制膜头气路进行切换。
德国Rexroth REXROTH溢流阀,REXROTH REXROTH溢流阀,德国力士乐 REXROTH溢流阀它由阀体、阀罩、电磁组件、弹簧及密封结构
等部件组成,动铁芯底部的密封块借助弹簧的压力将阀体进气口关闭。通电后,电磁铁吸合,动铁芯上
部带弹簧的密封块把排气口关闭,气流从进气口进入膜头,起到控制作用。当失电时,电磁力消失,动
铁芯在弹簧力作用下离开固定铁芯,向下移动,将排气口打开,堵住进气口,膜头气流经排气口排出,
膜片恢复原来位置。在我们的制氧设备中,在透平膨胀机进口薄膜调节阀的紧急切断等处有应用。
四通 REXROTH溢流阀在我们的生产中应用也很多,其工作原理如下:
当有电流通过线圈时,产生励磁作用,固定铁芯吸合动铁芯,动铁芯带动滑阀芯并压缩弹簧,改变了滑
阀芯的位置,从而改变了流体的方向。当线圈失电时,依靠弹簧的弹力推动滑阀芯,顶回动铁芯,使流
体按原来的方向流动。在我们制氧生产中,分子筛切换系统强制阀的开关就是通过二位四通 REXROTH溢流阀来控
制的,气流分别供至强制阀的活塞两端。从而来控制强制阀的启闭。
REXROTH力士乐溢流阀
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