4WRKE25W6-350L-3X/6EG24EK31/C5D3M-718比例阀由上海韦米机电设备有限公司专业提供

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4WRKE25W6-350L-3X/6EG24EK31/C5D3M-718比例阀

4WRKE 型阀门是二级比例方向阀。它们控制流动方向和流量。主级是受位置控制的，这样，控制阀芯位置在流量较大的情况下也不会受液动力的影响。

这种阀门主要由先导控制阀 (1)、壳体 (8)、主控制阀芯 (7)、盖（5 和 6）、对中弹簧 (4)、感应式位置传感器 (9) 和减压阀 (3) 组成。如果没有输入信号，则主控制阀芯 (7) 就会被对中弹簧 (4) 固定在中心位置。盖（5 和 6）中的两个控制腔通过控制阀芯 (2) 连接到油箱。主控制阀芯 (7) 通过感应式位置传感器 (9) 连接到合适的控制电子元件。主控制阀芯 (7) 的位置改变和放大器求和点控制值的改变，都能产生差动电压。比较控制值和理论值期间，通过电子元件确定可能的控制偏差，并向先导控制阀 (1) 的比例电磁铁施加电流。电流会在线圈中产生不断通过推杆来操作控制阀芯的力。通过控制剖面激活的流量会导致主控制阀芯的调整。连接了感应式位置传感器 (9) 内核的主控制阀芯 (7) 会一直移动，直到理论值与控制值相符。在控制状态下，主控制阀芯 (7) 处于力平衡状态并停留在该控制位置。控制阀芯行程和控制开口与控制值成比例改变。控制电子元件集成到阀门中。通过对阀门和电子元件进行调节，可以将批量生产设备导致的偏差保持在较低水平。

不得让油箱管路排空运行；在相应的安装条件下，必须安装一个预载阀（预载压力约为 2 bar）。

阀门特征

二级阀的基本设置包括我们的比例阀模块。“主级零电位”的零电位调节是工厂预设的，可以通过控制电子元件中的电位计，在公称行程的 ±30 % 范围内进行调节。拆下盖壳体前面的保护塞后，方可对集成控制电子元件进行检修。必须重新调节更换后的先导控制阀或控制电子元件。全部调节工作只能由****的专业人员执行。

注意！

零电位更改可能导致系统损坏，故只能由****的专业人员执行!

4WRKE25W6-350L-3X/6EG24EK31/C5D3M-718比例阀型号

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压力调节阀亦称自力式平衡阀、流量控制阀、流量控制器、动态平衡阀、流量平衡阀，是一种直观简便的流量调节控制装置，管网中应用流量调节阀可直接根据设计来设定流量，阀门可在水作用下，自动消除管线的剩余压头及压力波动所引起的流量偏差，无论系统压力怎样变化均保持设定流量不变，该阀这些功能使管网流量调节一次完成，把调网工作变为简单的流量分配，有效的解决管网的水力失调。