D31FT系列为先导式比例方向控制阀 ，带有内置式的电子控制器，具有可调斜坡和遮盖补偿功能。
D31FH / D41FH / D91FH / D111FH系列比例阀
该系列为先导式比例换向阀，被用于控制流量，公称尺寸为CETOP5-10。该阀具有集成的电子元件，主级的阀芯位置可调。
典型的应用是：流量控制精确和可实现流量调节，在快速/低速特性下的工作运行带有阀芯位置监控，用于压力机控制，动态位置调节和压力/流量闭环系统。
技术特性
·泄漏量小
·高频响，通油能力大
·准确的故障状态诊断
·零遮盖阀的机械式零点调节
·高强度
·阀芯位置的位移反馈
·可选择阀芯位置行程监控
常用的型号有：
D31FTA31CC1NF00
D31FTB31CC1NF00
D31FTB31CC2NF00
D31FTB31CC4NF00
D31FTB31CC4NG00
D31FTB32CC1NF00
D31FTB32CC1NG00
D31FTB32CC4NF00
D31FTB32CC4NG00
D31FTB32CC4VF00
D31FTB32CC5NF00
D31FTE01CC1NF00
D31FTE01CC1NF08
D31FTE01CC1NG00
D31FTE01CC2NF00
D31FTE01CC2NG00
D31FTE01CC4NF00
D31FTE01CC4NF08
D31FTE01CC4NG00
D31FTE02CC1NF00
D31FTE02CC1NG00
D31FTE02CC1VF00
D31FTE02CC2NF00
D31FTE02CC4NF00
D31FTE02CC4NG00
D31FTE02CC4VF00
D31FTE04CC4NF00
D31FTE04CC4NF08
D31FTE06CC4NF00
D41FTB31FC1NF00
D41FTB31FC1NG00
D41FTB31FC2NF00
D41FTB31FC2NG00
D41FTB31FC4NF00
D41FTB31FC4NG00
D41FTB32FC1NF00
D41FTB32FC1NG00
D41FTB32FC1VF00
D41FTB32FC2NF00
D41FTB32FC2NG00
D41FTB32FC4NF00
D41FTB32FC4NG00
D41FTB32FC5NF00
D41FTE01FC1NF00
D41FTE01FC1NG00
D41FTE01FC1VF00
D41FTE01FC2NF00
D41FTE01FC2NG00
D41FTE01FC4NF00
D41FTE01FC4NF08
D41FTE01FC4NG00
D41FTE02FC1NF00
D41FTE02FC1NG00
D41FTE02FC1VF00
D41FTE02FC2NF00
D41FTE02FC2NG00
D41FTE02FC4NF00
D41FTE02FC4NG00
D41FTE02FC4VF00
D41FTE03FC1NF00
D41FTE04FC1NF00
D41FTE04FC4NF08
D41FTE05FC4NG00
D41FTE80FC4NF00
D91FTA32HC4NF00
D91FTB31HC1NF00
D91FTB31HC2NF00
D91FTB31HC2NG00
D91FTB31HC4NF00
D91FTB31HC4NF08
D91FTB32HC1NF00
D91FTB32HC1NG00
D91FTB32HC1VF00
D91FTB32HC2NF00
D91FTB32HC4NF00
D91FTB32HC4NG00
D91FTB32HC4VG00
D91FTE01HC1NF00
D91FTE01HC1NG00
D91FTE01HC2NF00
D91FTE01HC2NG08
D91FTE01HC4NF00
D91FTE01HC4NF08
D91FTE01HC4NG00
D91FTE01HC5NF00
D91FTE01HC5NF08
D91FTE02HC1NF00
D91FTE02HC1NG00
D91FTE02HC2NF00
D91FTE02HC4NF00
D91FTE02HC4NG00
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