Parker派克先导式比例换向阀D*1FW/D*1FT系列
Parker派克先导式比例换向阀D*1FW/D*1FT系列公称尺寸为CETOP5和CE0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。 |
D1FW/ D1FB系列先导式比例换向阀被用于控制流量。
D1FW系列采用PWD00A-400功率放大器进行电控；
D1FB系列采用集成的电子元件插装在阀上组成一体。
该阀共有10通径、16通径、25通径、32通径几种规格。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。
特点：
泄漏量小；
渐进的流量特性使得流量调节灵敏；
弹簧对中的主级；
比例先导；
安全系统的初始位置监控；
D1FB系列带有集成的功率放大器；
D1FW带有数字式Snap-On功率放大器。
常用型号如下：
D41FWE01FC1NLW0
D41FWB32FC4NLW0
D31FWE01CC1NLW0
D31FWE02CC1NLW0
D41FWE02FC1NLW0
D31FWB32CC1NLW0
D41FWB32FC5NLW0
D41FWB32FC2NLW0
D31FWE01CC4NXW0
D31FWA32CC4NLW0
D31FWE01CC4NLW0
D31FWE01CC4NLW8
D31FWE01CC2NLW0
D31FWE04CC4NLW0
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
.......
D31FBR31EC4NF00
D31FBE03CC4NKW0
D31FBE02EK4NKW0
D31FBE02EC5NKW0
D31FBE02EC4VS00
D31FBE02EC4VKW0
D31FBE02EC4NS00
D31FBE02EC4NKW0
D31FBE02EC4NF00
D31FBE02EC1NS00
D31FBE02EC1NKW0
D31FBE02DC4NKW0
D31FBE02DC4NF00
D31FBE02DC2NKW0
D31FBE02DC1NKW0
D31FBE02CC4NS00
D31FBE02CC4NKW0
D31FBE02CC4NG00
D31FBE02CC4NF00
D31FBE02CC2NS00
D31FBE02CC2NKW0
D31FBE02CC2NF00
D31FBE02CC1NKW0
D31FBE02CC1NJW0
D31FBE02CC1NF00
D31FBE01EK1NKW0
D31FBE01EC4VW50
D31FBE01EC4NW50
D31FBE01EC4NS00
D31FBE01EC4NJW0
D31FBE01EC4NF08
D31FBE01EC4NF00
D31FBE01EC2NKW8
D31FBE01EC1NKW0
D31FBE01EC1NF00
D31FBE01DK2NKW0
D31FBE01DK1NKW0
D31FBE01DE1NKW0
D31FBE01DC4NF00
D31FBE01DC2NKW0
D31FBE01DC1NS00
D31FBE01DC1NF00
D31FBE01CC4NKW8
D31FBE01CC4NJW0
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