力士乐三位二通先导控制阀4WEH16J7X/6EG24N9ETK4/B08电液换向阀

力士乐三位二通先导控制阀4WEH16J7X/6EG24N9ETK4/B08电液换向阀 德国原装博世力士乐REXROTH电磁阀 溢流阀 比例阀 伺服阀 流量控制阀

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邮编ZIP ： 201206  公司名：上海韦米机电设备有限公司

电液换向阀是电磁换向阀和液控换向阀的组合，它是用电磁换向阀控制液控换向阀的动作，变换流体流动方向的控制阀。

电液换向阀和液控换向阀主要用在流量超过电磁换向阀正常工作允许范围的液压系统中，对执行元件的动作进行控制，或对油液的流动方向进行控制。

说明事项

1.产品可任意安装，优先考虑水平位置。

2.液压系统所用介质必c须过滤，过滤精度至少20μm。

3.固定螺钉请按样本中所列参数选用。

4.与阀连接的表面，粗糙度要求Ra0.8，平面度要求0.01/100mm

工作原理：。。当两个电磁阀线圈通电时，平衡孔回路关闭，泄流孔回路打开，活塞上腔泄压，活塞上行，阀门打开。反之，活塞下行，阀门关闭。在阀门开启和关闭过程中，可将流量（流速）信号及阀塞位置信号传送给计算机，经过计算机处理后发出相应的指令，控制两个电磁导阀的通、断电状态，使活塞的上下腔的液压差产生变化，从而将活塞控制在所需的开启高度上，实现对管道介质流量的控制。

力士乐三位二通先导控制阀4WEH16J7X/6EG24N9ETK4/B08

WE型号 

方向滑阀，直动式，电磁铁触发

规格6至10

湿针式交流或直流电磁铁

可更换线圈的电磁铁

底板安装("P")：安装面按DIN 24340A型和ISO 440型

电气接线可单独接线或集中接线

可选的感应定位监测参见(RE 24830)

流畅的切换特点

 型号 WH, WHZ, WHD, WN, WP 和 WPZ 

方向滑阀，直动式，流体触发

规格6至32

安装面按DIN 24340 A 型和ISO 4401

行程可调整（H-WH, WH型，规格10）

可选择通过感应定位开关进行定位监测(RE 24830)

液压操作（WH，WHZ和WHD型）

气动操作（WN, WP和WPZ型）

力士乐电液阀4WEH22J7X/6EG24N9ETK4/B10;

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电动阀与电磁阀的区别

电磁阀是电磁线圈通电后产生磁力吸引克服弹簧的压力带动阀芯动作，就一电磁线圈，结构简单，价格便宜，只能实现开关；

电动阀是通过电动机驱动阀杆，带动阀芯动作，电动阀又分（关断阀）和调节阀。关断阀是两位式的工作即全开和全关，调节阀是在上面安装电动阀门定位器，通过闭环调节来使阀门动态的稳定在一个位置上。

4WEH32电液换向阀  

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电液换向阀是由电磁换向阀作先导阀与液动换向阀组合而成，由电磁阀引进油液，推动主滑阀运动，使主油路换向。主要用于改变油流方向，改变油马达旋转方向，和油缸的运动方向等。也可用以完成卸荷和顺序动作等用途。适用于大流量的液压系统。液动阀换向的快慢可用其控制油路中的单向节流阀来调节。

电液动滑阀既能实现换向的缓冲，避免液压系统的换向冲击，同时又能用较小的电磁铁控制较大的液流，所以常在流量较大的系统中应用。

电液换向阀有二位与三位，均是四通。按其电磁阀的电源电压可分为交流(110V/220V/380V)、直流(24V/110V/220V)两种。

P为进油口，O为回油口，AB至油缸两端。K为电磁先导阀的进油口，L为电磁先导阀的回油口，L应该直通回油池，不应通过任何的背压阀，亦避免与回油O连通。

主要结构品种：

1．电液换向的先导电磁阀为NG6、NG10二种。

2．电液换向阀的控制电磁铁有干式型、湿式型二种结构，工作电源有交流、直流二种。

3．电液换向阀有二位四通无弹簧型、三位四通弹簧对中型及行程调节型三种，后者可

借助调节螺钉改变阀芯的移动距离，以调整进出阀的流量，起到节流调速的作用。

4．在电磁导阀与液动阀的控制之间，可加入阻尼调节阀，以控制主阀芯的换向速度。

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公示： 因工业液压、自动化各进口品牌备件型号繁多，欧美产品价格实时变化，因此很难实时标出准确价格，请以业务员实际报价单价格为准！ 给您带来不便敬请谅解，询价请您发正式询价单传真到021-51334670 手机13524125780(微信) 欢迎来电咨询