| 品牌华德 | 型号北京华德液压全系列 具体型号及报价请联系客服 北京华德换向阀部分型号如下： 4WEH10Z20B/ |
| 材质不锈钢 | 类型(通道位置)三通式 |
| 连接形式法兰 | 3C阀门类别工业 |
苏州登正机电有限公司 电话：0512-66831346 手机：15862324676（微信同号）qq:1226210111
北京华德液压全系列 具体型号及报价请联系客服
北京华德换向阀部分型号如下：
4weh10z20b/6ag24ntz5l 4weh10y20b/6ag24netz5
4weh10z20b/6ag24nz4 4weh10y20b/6ag24netz5l
4weh10z20b/6ag24nz5 4weh10y20b/6ag24nez4
4weh10z20b/6ag24nz5l 4weh10y20b/6ag24nez5
4weh10z20b/6aw220-50netz4 4weh10y20b/6ag24nez5l
4weh10z20b/6aw220-50netz5 4weh10y20b/6ag24ntz4
4weh10z20b/6aw220-50netz5l 4weh10y20b/6ag24ntz5
4weh10z20b/6aw220-50nez4 4weh10y20b/6ag24ntz5l
4weh10z20b/6aw220-50nez5 4weh10y20b/6ag24nz4
4weh10z20b/6aw220-50nez5l 4weh10y20b/6ag24nz5
4weh10z20b/6aw220-50ntz4 4weh10y20b/6ag24nz5l
4weh10z20b/6aw220-50ntz5 4weh10y20b/6eg24netz4
4weh10z20b/6aw220-50ntz5l 4weh10y20b/6eg24netz5
4weh10z20b/6aw220-50nz4 4weh10y20b/6eg24netz5l
4weh10z20b/6aw220-50nz5 4weh10y20b/6eg24nez4
4weh10z20b/6aw220-50nz5l 4weh10y20b/6eg24nez5
4weh10z20b/6eg24netz4 4weh10y20b/6eg24nez5l
4weh10z20b/6eg24netz5 4weh10y20b/6eg24ntz4
4weh10z20b/6eg24netz5l 4weh10y20b/6eg24ntz5
4weh10z20b/6eg24nez4 4weh10y20b/6eg24ntz5l
4weh10z20b/6eg24nez5 4weh10y20b/6eg24nz4
4weh10z20b/6eg24nez5l 4weh10y20b/6eg24nz5
4weh10z20b/6eg24ntz4 4weh10y20b/6eg24nz5l
4weh10z20b/6eg24ntz5 4weh10y20b/6ew220-50netz4
4weh10z20b/6eg24ntz5l 4weh10y20b/6ew220-50netz5
4weh10z20b/6eg24nz4 4weh10y20b/6ew220-50netz5l
4weh10z20b/6eg24nz5 4weh10y20b/6ew220-50nez4
北京华德液压全系列 具体型号及报价请联系客服
北京华德换向阀部分型号如下：
4weh10z20b/6eg24nz5l 4weh10y20b/6ew220-50nez5
4weh10z20b/o6ag24netz4 4weh10y20b/6ew220-50nez5l
4weh10z20b/o6ag24netz5 4weh10y20b/6ew220-50ntz4
4weh10z20b/o6ag24netz5l 4weh10y20b/6ew220-50ntz5
4weh10z20b/o6ag24nez4 4weh10y20b/6ew220-50ntz5l
4weh10z20b/o6ag24nez5 4weh10y20b/6ew220-50nz4
4weh10z20b/o6ag24nez5l 4weh10y20b/6ew220-50nz5
4weh10z20b/o6ag24ntz4 4weh10y20b/6ew220-50nz5l
4weh10z20b/o6ag24ntz5 4weh10z20b/6ag24netz4
4weh10z20b/o6ag24ntz5l 4weh10z20b/6ag24netz5
4weh10z20b/o6ag24nz4 4weh10z20b/6ag24netz5l
4weh10z20b/o6ag24nz5 4weh10z20b/6ag24nez4
4weh10z20b/o6ag24nz5l 4weh10z20b/6ag24nez5
4weh16a50b/6cw220-n9et25l 4weh10z20b/6ag24nez5l
4weh16a50b/6eg24ne25l 4weh10z20b/6ag24ntz4
4weh16b50b/6cw220-n9et25l 4weh10z20b/6ag24ntz5
4weh16c50b/6ag24netz4 4weh16e50b/6eg24netz5l
4weh16c50b/6ag24netz5 4weh16e50b/6eg24nez4
4weh16c50b/6ag24netz5l 4weh16e50b/6eg24nez5
4weh16c50b/6ag24nez4 4weh16e50b/6eg24nez5l
4weh16c50b/6ag24nez5 4weh16e50b/6eg24ntz4
4weh16c50b/6ag24nez5l 4weh16e50b/6eg24ntz5
4weh16c50b/6ag24ntz4 4weh16e50b/6eg24ntz5l
4weh16c50b/6ag24ntz5 4weh16e50b/6eg24nz4
4weh16c50b/6ag24ntz5l 4weh16e50b/6eg24nz5
4weh16c50b/6ag24nz4 4weh16e50b/6eg24nz5l
4weh16c50b/6ag24nz5 4weh16e50b/6ew220-50netz4
4weh16c50b/6ag24nz5l 4weh16e50b/6ew220-50netz5
北京华德液压全系列 具体型号及报价请联系客服
北京华德换向阀部分型号如下：
4weh16c50b/6aw220-50netz4 4weh16e50b/6ew220-50netz5l
4weh16c50b/6aw220-50netz5 4weh16e50b/6ew220-50nez4
4weh16c50b/6aw220-50netz5l 4weh16e50b/6ew220-50nez5
4weh16c50b/6aw220-50nez4 4weh16e50b/6ew220-50nez5l
4weh16c50b/6aw220-50nez5 4weh16e50b/6ew220-50ntz4
4weh16c50b/6aw220-50nez5l 4weh16e50b/6ew220-50ntz5
4weh16c50b/6aw220-50ntz4 4weh16e50b/6ew220-50ntz5l
4weh16c50b/6aw220-50ntz5 4weh16e50b/6ew220-50nz4
4weh16c50b/6aw220-50ntz5l 4weh16e50b/6ew220-50nz5
4weh16c50b/6aw220-50nz4 4weh16e50b/6ew220-50nz5l
4weh16c50b/6aw220-50nz5 4weh16f50b/6cw220-n9et25l
4weh16c50b/6aw220-50nz5l 4weh16f50b/6eg24ne25l
4weh16c50b/6cw220-n9et25l 4weh16g50b/6cw220-n9et25l
4weh16c50b/6eg24ne25l 4weh16g50b/6eg24ne25l
4weh16c50b/6eg24netz4 4weh16h50b/6cw220-n9et25l
4weh16c50b/6eg24netz5 4weh16h50b/6eg24ne25l
4weh16c50b/6eg24netz5l 4weh16j50b/6cw220-n9et25l
4weh16c50b/6eg24nez4 4weh16j50b/6eg24ne25l
4weh16c50b/6eg24nez5 4weh16j50b/6eg24netz4
4weh16c50b/6eg24nez5l 4weh16j50b/6eg24netz5
4weh16c50b/6eg24ntz4 4weh16j50b/6eg24netz5l
4weh16c50b/6eg24ntz5 4weh16j50b/6eg24nez4
4weh16c50b/6eg24ntz5l 4weh16j50b/6eg24nez5
4weh16c50b/6eg24nz4 4weh16j50b/6eg24nez5l
4weh16c50b/6eg24nz5 4weh16j50b/6eg24ntz4
4weh16c50b/6eg24nz5l 4weh16j50b/6eg24ntz5
北京华德液压全系列 具体型号及报价请联系客服
北京华德换向阀部分型号如下：
4weh16d50b/6cw220-n9et25l 4weh16j50b/6eg24ntz5l
4weh16d50b/6eg24ne25l 4weh16j50b/6eg24nz4
4weh16e50b/6cw220-n9et25l 4weh16j50b/6eg24nz5
4weh16e50b/6eg24netz5 4weh16j50b/6ew220-50netz5
4weh16e50b/6eg24netz5l 4weh16j50b/6ew220-50netz5l
4weh16e50b/6eg24nez4 4weh16j50b/6ew220-50nez4
4weh16e50b/6eg24nez5 4weh16j50b/6ew220-50nez5
4weh16e50b/6eg24nez5l 4weh16j50b/6ew220-50nez5l
4weh16e50b/6eg24ntz4 4weh16j50b/6ew220-50ntz4
4weh16e50b/6eg24ntz5 4weh16j50b/6ew220-50ntz5
4weh16e50b/6eg24ntz5l 4weh16j50b/6ew220-50ntz5l
4weh16e50b/6eg24nz4 4weh16j50b/6ew220-50nz4
4weh16e50b/6eg24nz5 4weh16j50b/6ew220-50nz5
4weh16e50b/6eg24nz5l 4weh16j50b/6ew220-50nz5l
4weh16e50b/6ew220-50netz4 4weh16l50b/6cw220-n9et25l
4weh16e50b/6ew220-50netz5 4weh16l50b/6eg24ne25l
4weh16e50b/6ew220-50netz5l 4weh16m50b/6cw220-n9et25l
4weh16e50b/6ew220-50nez4 4weh16m50b/6eg24ne25l
4weh16e50b/6ew220-50nez5 4weh16p50b/6cw220-n9et25l
4weh16e50b/6ew220-50nez5l 4weh16p50b/6eg24ne25l
4weh16e50b/6ew220-50ntz4 4weh16t50b/6cw220-n9et25l
4weh16e50b/6ew220-50ntz5 4weh16t50b/6eg24ne25l
4weh16e50b/6ew220-50ntz5l 4weh16u50b/6cw220-n9et25l
北京华德液压全系列 具体型号及报价请联系客服
北京华德换向阀部分型号如下：
4weh16e50b/6ew220-50nz4 4weh16u50b/6eg24ne25l
4weh16e50b/6ew220-50nz5 4weh16y50b/6cw220-n9et25l
4weh16e50b/6ew220-50nz5l 4weh16y50b/6eg24ne25l
4weh16f50b/6cw220-n9et25l 4weh25a50b/6cw220-n9et25l
4weh16f50b/6eg24ne25l 4weh25a50b/6eg24ne25l
4weh16g50b/6cw220-n9et25l 4weh25b50b/6cw220-n9et25l
4weh16g50b/6eg24ne25l 4weh25b50b/6eg24ne25l
4weh16h50b/6cw220-n9et25l 4weh25c50b/6cw220-n9et25l
4weh16h50b/6eg24ne25l 4weh25c50b/6eg24ne25l
4weh16j50b/6cw220-n9et25l 4weh25d50b/6cw220-n9et25l
4weh16j50b/6eg24ne25l 4weh25d50b/6eg24ne25l
4weh16j50b/6eg24netz4 4weh25e50b/6cw220-n9et25l
4weh16j50b/6eg24netz5 4weh25e50b/6eg24ne25l
4weh16j50b/6eg24netz5l 4weh25e50b/of6ag24netz4
4weh16j50b/6eg24nez4 4weh25e50b/of6ag24netz5
4weh16j50b/6eg24nez5 4weh25e50b/of6ag24netz5l
4weh16j50b/6eg24nez5l 4weh25e50b/of6ag24nez4
4weh16j50b/6eg24ntz4 4weh25e50b/of6ag24nez5
4weh16j50b/6eg24ntz5 4weh25e50b/of6ag24nez5l
4weh16j50b/6eg24ntz5l 4weh25e50b/of6ag24ntz4
4weh16j50b/6eg24nz4 4weh25e50b/of6ag24ntz5
4weh16j50b/6eg24nz5 4weh25e50b/of6ag24ntz5l
4weh16j50b/6eg24nz5l 4weh25e50b/of6ag24nz4
北京华德液压全系列 具体型号及报价请联系客服
北京华德换向阀部分型号如下：
4weh16j50b/6ew220-50netz4 4weh25e50b/of6ag24nz5
4weh16j50b/6ew220-50netz5 4weh25e50b/of6ag24nz5l
4weh16j50b/6ew220-50netz5l 4weh25e50b/of6aw220-50netz4
4weh16j50b/6ew220-50nez4 4weh25e50b/of6aw220-50netz5
4weh16j50b/6ew220-50nez5 4weh25e50b/of6aw220-50netz5l
4weh16j50b/6ew220-50nez5l 4weh25e50b/of6aw220-50nez4
4weh16j50b/6ew220-50ntz4 4weh25e50b/of6aw220-50nez5
4weh16j50b/6ew220-50ntz5 4weh25e50b/of6aw220-50nez5l
4weh16j50b/6ew220-50ntz5l 4weh25e50b/of6aw220-50ntz4
4weh16j50b/6ew220-50nz4 4weh25e50b/of6aw220-50ntz5
4weh16j50b/6ew220-50nz5 4weh25e50b/of6aw220-50ntz5l
4weh16j50b/6ew220-50nz5l 4weh25e50b/of6aw220-50nz4
4weh16l50b/6cw220-n9et25l 4weh25e50b/of6aw220-50nz5
4weh16l50b/6eg24ne25l 4weh25e50b/of6aw220-50nz5l
4weh16m50b/6cw220-n9et25l 4weh25f50b/6cw220-n9et25l
4weh16m50b/6eg24ne25l 4weh25f50b/6eg24ne25l
4weh16p50b/6cw220-n9et25l 4weh25g50b/6cw220-n9et25l
4weh16p50b/6eg24ne25l 4weh25g50b/6eg24ne25l
4weh16t50b/6cw220-n9et25l 4weh25h50b/6cw220-n9et25l
4weh16t50b/6eg24ne25l 4weh25h50b/6eg24ne25l
4weh16u50b/6cw220-n9et25l 4weh25j50b/6cw220-n9et25l
4weh16u50b/6eg24ne25l 4weh25j50b/6eg24ne25l
4weh16y50b/6cw220-n9et25l 4weh25l50b/6cw220-n9et25l
4weh16y50b/6eg24ne25l 4weh25l50b/6eg24ne25l
4weh25a50b/6cw220-n9et25l 4weh25m50b/6cw220-n9et25l
4weh25a50b/6eg24ne25l 4weh25m50b/6eg24ne25l
4weh25b50b/6cw220-n9et25l 4weh25p50b/6cw220-n9et25l
4weh25b50b/6eg24ne25l 4weh25p50b/6eg24ne25l
4weh25c50b/6cw220-n9et25l 4weh25t50b/6cw220-n9et25l
4weh25c50b/6eg24ne25l 4weh25t50b/6eg24ne25l
4weh25d50b/6cw220-n9et25l 4weh25u50b/6cw220-n9et25l
4weh25d50b/6eg24ne25l 4weh25u50b/6eg24ne25l
4weh25e50b/6cw220-n9et25l 4weh25y50b/6cw220-n9et25l
4weh25e50b/6eg24ne25l 4weh25y50b/6eg24ne25l
4weh25e50b/of6ag24netz4 4weh32a50b/6cw220-n9et25l
4weh25e50b/of6ag24netz5 4weh32a50b/6eg24ne25l
4weh25e50b/of6ag24netz5l 4weh32b50b/6cw220-n9et25l
4weh16e50b/6eg24ne25l 4weh16j50b/6eg24nz5l
4weh16e50b/6eg24netz4 4weh16j50b/6ew220-50netz4
1.所有零件应小心地进行清洗，用吹干或用鹿皮擦干。
2.装合后的试验：
(1）密封性能试验：用压力为0.2-0.4mpa的压缩空气与多路换向阀出口接通，换向阀的其余孔均用螺塞堵住。再将多路换向阀浸入油中20-30mm，打开空气阀门，将换向阀杆置于两个极限位置。多路换向阀表面不允许有漏气现象。如果发现有漏气，应在漏气的地方记上记号，然后进行返修。
（2）功能试验：将多路换向阀通入公称压力和流量的压力油，在没有渗漏的情况下，检查操纵杠杆，应能接通任何一个极限位置，并能自动返回中立位置。
在功能试验时，应将所有单元的操纵杠杆向两个极限位置，各接通四次。在第五次接通时，应在极限位置上停止3min，并且操纵杆应能自动返回中立位置。
（3）正确性能检查：检查在所有负载时，换向阀应能否以***小的调速位置，负载油缸能否以***小速度运动。
（4）外部密封性能检查：将各出口压力改为2.5-3mpa，将进口压力改为20mpa，把各单元阀杆在6-10s的时间内，接通极限位置15次，不允许外部有漏油现象。
电磁换向阀在正常使用过程中有损耗，损耗达到一定程度会产生故障无法工作。从而导致液压系统无法正常运作。那么电磁换向阀有哪些常见故障问题呢？
1、电磁铁烧毁
电磁铁烧毁也是电磁换向阀的常见故障之一。产生的原因之一为品质问题，例如铁芯的加工不良，导线的材质线径标准过低而容易过热等。
2、电磁管推杆磨损变短
电磁管中的推杆作用是当衔铁运动时，推动阀芯使其运动。推杆与阀芯并非和为一体。因此在不断接触中，势必产生磨损。在长期高 频率换向后，有可能磨损而明显变短。此时导致阀芯换向不到位，影响电磁换向阀的工作。
3、复位弹簧疲劳或折断
此类故障与弹簧的材质选用有一定关系。电磁换向阀使用进口琴钢线弹簧，表面染黑处理，拥有良好的弹力，耐疲劳特性。表面处理工艺的加强能有效阻止弹簧被腐蚀，具有很高的使用寿命。
4、阀芯外径的磨损
这与阀体内孔的磨损情况一样。特别对于油液中含有过多，过大杂质情况下，会加剧电磁换向阀阀芯的磨损。此类磨损虽然无法完全避免，但要延长电磁换向阀的使用寿命，以及维持良好的工作状态，应该定期对液压油清洁度做检查，并及时处理液压油污染过度的情况。
5、阀体内孔磨损
阀芯与阀体内孔之间频繁的往返运动，虽然电磁换向阀的阀芯设计有油槽，可以限度使接触面充满油液，降低摩擦，但根据电磁换向阀的工作性质，对电磁换向阀阀体内孔的磨损仍不可完全避免。
6、不常见问题导致
以上是大兰液压小编总结的电磁换向阀***常会出现的5大问题，也有可能是其他一些不常见的问题，比如有电压，电流不稳定，有较大冲击波动，而导致烧毁。这些都是我们要去注意的问题
苏州登正机电有限公司
詹女士
15862324676
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