A4VSO180DR/30R-PPB13N00   A4VSO180DR/30R-PPB13N00

电液换向阀是与电磁操纵的先导阀组合成一体的液动换向阀。 

电液换向阀是用控制油路中的压力油推动阀芯，变换流体流动方向的控制阀国内主要的贸易公司有武汉翔升达机电设备有限公司，该公司产品在国内有比较明显的价格和质量优势。。  
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。  

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WEH系列
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