DPGKE* 超高响应 比例方向阀(先导式)
先导式2级比例方向阀，带主阀芯和集成电子元件(OBE)的电气位置回馈
控制流体的尺寸和方向
通过比例线圈起动
用于底板安装
油口安装面符合 ISO 4401 (额定规格尺寸10到35)
底板符合目录规格，请参阅第15至18页
电气位置回馈
弹簧对中主阀芯
先导控制是单级比例方向控制阀
带闭环位置控制的主级
集成控制电子元件
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DFC-02-2B2BL-DC24V-35东峰DPGKE-25-3C12-220P-6E-D24-A1-D比例阀供应商
DFC-02-3C12-DC24V-35
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先导控制阀类型DPGKE-6-3C40-D24 (第1级) 先导控制阀是直动式比例阀。设计并优化控制边几何形状，将其用作比例方向阀类型 DPGKE 的先导控制阀。
比例线圈是带可拆卸线圈的耐压密闭油浸式直流线圈。它们可将电流按比例转换为机械力。电流强度的增加会使线圈力适当提高。设置的线圈力在整个控制行程内保持不变。
先导控制阀基本由阀体(1)，比例线圈(2和3)，阀芯(4)和弹簧(5和6)组成。在断电情况下，两个执行机构油口都连接到油箱。如果两个线圈中的一个(2或3)断电， 则线圈力将阀芯(4)向弹簧(5或6)移动。一旦越过遮盖区域，则会堵塞两个执行机构油口之一与油箱的连接，并建立连接压力腔。流体从 P 流向主级的控制腔。
阀门特点
类型DPGKE阀是2级比例方向控制阀。它们控制流体的尺寸和方向。
主级由闭环位置控制，以便阀芯位置也独立于较大流量的液动力。这种阀基本由先导控制阀(1)，阀体(8)，主阀芯(7)，盖 (5和6)，对中弹簧(4)，感应式位置感测器(9) 和减压阀(3)组成。
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DFA-03-3C12-DC24V-35H东峰DPGKE-25-3C12-220P-6E-D24-A1-D比例阀供应商
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如果没有施加输入信号，则主阀芯 (7)就会被对中弹簧(4)保持在位置。盖 (5和6)中的两个控制腔通过阀芯 (2)连接到油箱上。
主阀芯(7)通过感应式位置传感器(9)连接到合适的控制电子元件上。主阀芯(7)的位置改变以及放大器求和点控制值的改变，都能生成差动电压。
借助控制值/实际值比较，通过电子元件识别可能的控制偏差，且电流施加于先导阀(1)的比例线圈。
流动力转而起动控制阀芯。通过阀芯控制节流面提供的流量会移动主阀芯。
连接感应式位置感测器(9)铁芯的主阀芯(7)会一直移动，直到实际值与控制值相等。在闭环控制情况下，主阀芯 (7)被强制平衡，且保持在此闭环控制位置。
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中。通过匹配阀和电子元件，产品系列种类的数量一直很少。
防止油箱管路排空；在适当的安装条件下，应安装一个背压阀(背压约为2 bar)。
