D31FT系列為先導式比例方向控制閥 ，帶有內置式的電子控制器，具有可調斜坡和遮蓋補償功能。

D31FH / D41FH / D91FH / D111FH系列比例閥

該系列為先導式比例換向閥，被用于控制流量，公稱尺寸為CETOP5-10。該閥具有集成的電子元件，主級的閥芯位置可調。
典型的應用是：流量控制精確和可實現流量調節，在快速/低速特性下的工作運行帶有閥芯位置監控，用于壓力機控制，動態位置調節和壓力/流量閉環系統。

技術特性
·泄漏量小

·高頻響，通油能力大

·準確的故障狀態診斷

·零遮蓋閥的機械式零點調節

·高強度

·閥芯位置的位移反饋

·可選擇閥芯位置行程監控

常用的型號有：

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

派克 parker  BD系列 伺服閥

常用型號

BD15AAA-NB10

BD15AAA-VB10BD15AAANB10

BD15AAANB10

BD15AAANB15

BD15AAANB2.5

BD15AAANB20

BD15AAANB5

BD15AAANC10

BD15AAANC15

BD15AAANC2.5

BD15AAANC20

BD15AAANC5

BD15AAAND1

BD15AAAND10

BD15AAAND15

BD15AAAND2.5

BD15AAAND20

BD15AAAND5

BD15AAANE1

BD15AAANE10

BD15AAANE15

BD15AAANE2.5

BD15AAANE20

BD15AAANE5

BD15AAANF1

BD15AAANF10

BD15AAANF2.5

BD15AAANF20

BD15AAANF5

BD15AAANG1

BD15AAANG10

BD15AAANG15

BD15AAANG20

BD15AAAVB1

BD15AAAVB10

BD15AAAVB15

BD15AAAVB2.5