D*FW、D*FB系列直动式换向阀
D*FW/D*FB系列直动式换向阀是一种用于流量控制的比例阀。 
D*FW系列采用PWD-400/PCD-400功率放大器进行电控； 
D*FB系列采用集成的电子元件插装在阀上组成一体。 
该阀共有6通径、10通径两种规格。应用于通过调节斜坡信号可使阀芯柔和换向，以此来减小液压冲击和机械冲击，通过电气方式调节流量/速度可实现机械功能自动化。 
特点： 
泄漏量小； 
渐进的流量特性使的流量调节灵敏； 
弹簧对中的阀芯； 
D*FB系列带有集成的功率放大器； 
D*FW系列带有数字式Snap-On功率放大器； 
应急手动操纵。

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