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比例方向控制阀

D*FW、D*FB系列——直动式换向阀

发布时间: 2015-12-02 11:18 

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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