公称尺寸为CETOP5至10的D*1FW和D*1FT系列先导式比例换向阀被用于控制流量。
该阀（D*1FW）采用PWD-400功率放大器进行电控或将集成的电子元件插装在阀上组成一体（D*1FT）。
典型的应用是：通过调节斜坡信号可使阀芯柔和换向，以此来减小液压和机械冲击，通过电气方式调节流量/速度可实现机械功能的自动化。

部分供应型号：

D31FWE01CC1NLW0
D31FWE02CC1NLW0

D31FWE01CC4NXW0
D31FWA32CC4NLW0
D31FWE01CC4NLW0
D31FWE01CC4NLW8
D31FWE01CC2NLW0
D31FWE04CC4NLW0

D31FWB32CC1NLW0

D41FWE01FC1NLW0
D41FWB32FC4NLW0
D41FWE02FC1NLW0
D41FWB32FC5NLW0
D41FWB32FC2NLW0

D41FWE01FC4NLW0
D91FWE01HC4NLW0
D31FWE02CC4NLW0
D91FWE01HC1NLW0
D41FWE02FC4NLW0
D31FWA31CC4NLW0
D31FWE02CC5NLW0
D31FWA32CC1NLW0
D91FWE05HC2NLW0
D31FWB31CC4NLW0
D41FWB31FC1NLW0
D31FWE03CC4NLW0
D41FWB31FC2NLW0
D41FWE02FC2NLW0
D31FWE02CC4VXW0
D41FWA32FC4NLW0
D91FWE02HC2NXW0
D31FWE03CC4NXW0
D31FWB32CC4NLW0
D41FWE02FC2NXW0
D41FWB32FC2NXW0
D91FWE01HC2NLW8
D41FWE01FC2NLW8
D41FWE01FC4NXW0
D91FWE02HC1NXW0
D31FWE01CC5NXW0
D41FWE01FC2NLW0
D41FWE02FC1VLW0
D41FWA32FC1NLW0
D31FWB31CC4NXW0