DONJOY TECHNOLOGY CO., LTD
Established more than 30years, over 200 employees and 30 key technological team members , 4 inventions, 200 patents.
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Single-phase three phase Electric Actuator Intelligent Valve Positioner
Product type
Standard switch type(B)
Valves ON/OFF is conducted by switch circuit with outputting active contact signal which can show a fully open or fully close state of the valves.
Passive contact type(S)
Valves ON/OFF is conducted by switch circuit with outputting passive contact signal which can show a fully open or fully close state of the valves.
Position signal type(K)
Valves ON/OFF is conducted by switch circuit with outputting a relative group of open or close degree current signals
Opening degree signal type(R)
The opening angle of valves is controlled by switch circuit,with potentiometer outputting resistance signal corresponding valves opening angle.
Modulating type(A)
Intelligent regulation and control are conducted by receiving the standard signal4-20mA DC,0-10V,DC or 1-5V.DC outputted by the computers of instruments standard feedback signal 4-20mA DC is also outputted.
Selection table
| Active output on/off electric actuator
| Size | Torque | Recommend valve size | |
| Butterfly valve | Ball valve | |||
| DJ-5 | 30S-50N.M | ≤4"-DN100 | ≤2.5" | |
| 20S-30N.M | ≤3"-DN80 | ≤2"-DN50 | ||
| 10S-15N.M | ≤2.5"-DN65 | ≤1.5"-DN40 | ||
| DJ-10 | 30S-100N.M | 5"DN125 12"-DN300 | DN65-3" | |
| 20S-60N.M | 4"-DN100 6"-DN150 | 2.5"-DN65 | ||
| 15S-50N.M | 3"-DN80 5"-DN125 | 2"-2.5" | ||
| DJ-20 | 30S-200N.M | - | DN80-4" | |
| 15S-100N.M | 5"-DN125 12"-DN300 | DN65-3" | ||
| DJ-40 | 30S-400N.M | - | - | |
| 15S-200N.M | - | DN80-4" | ||
| Passive output on/off electric actuator
| Size | Torque | Recommend valve size | |
| Butterfly valve | Ball valve | |||
| DJ-5 | 30S-50N.M | ≤4"-DN100 | ≤2.5" | |
| 20S-30N.M | ≤3"-DN80 | ≤2"-DN50 | ||
| 10S-15N.M | ≤2.5"-DN65 | ≤1.5"-DN40 | ||
| DJ-10 | 30S-100N.M | 5"DN125 12"-DN300 | DN65-3" | |
| 20S-60N.M | 4"-DN100 6"-DN150 | 2.5"-DN65 | ||
| 15S-50N.M | 3"-DN80 5"-DN125 | 2"-2.5" | ||
| DJ-20 | 30S-200N.M | - | DN80-4" | |
| 15S-100N.M | 5"-DN125 12"-DN300 | DN65-3" | ||
| DJ-40 | 30S-400N.M | - | - | |
| 15S-200N.M | - | DN80-4" | ||
