Application
DKJ-Z electric actuator, an execution unit in DDZ type electronic unit combined instrument, accepts output signals from a regulating unit and automatically controls the actuator to complete regulating tasks. It is widely applied to power stations, chemical, petroleum, metallurgy, building materials,light industry and other industries. DKJ-Z electric actuator is directly connected with various butterfly valves, ball valves and other valves at the rotating angle of 90 for use. The direct mounted quarter-turn electric actuator is installed directly on the valve flange, so that the tedious work such as construction of a base configured linkage mechanism necessary for useof the ordinary quarter-turn electric actuator is avoided, which reduces thecost and improves the regulation precision.
Essential parameter
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DKJ,SKJ,ZKJ is the abbreviation of rotation angle which express different control features and installation modes combine to the following letters |
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1 |
M type means on-off module actuation |
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2 |
D type,DY-JT type means electronic(regulating) module actuation |
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3 |
Z type means direct mounted actuation;ZM type means on-off direct-mounted; ZD type means electronic direct-mounted |
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4 |
B type means explosion proof actuation;BM type means on-otff explosion proof; BD type means electronic explosion proof |
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5 |
F type means electronic(regulating) module actuation |
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6 |
Y type means electronic((regulating)module actuation |
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7 |
EX type means explosion proof or digital display modulating actuation |
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8 |
CX type meansfeedback signal DC 4-20mA with electric limit switch travel |
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9 |
Our company can customized according to customer's requirement |
Main Technical Parameters
1.Input signal: Type m 4-20mA DC
2.Input channel: 3
3.Input channel impedance: Type II 250Ω
4.Output torque: See table above
5.Total travel time: See table above
6.Output signal: 4-20mA Dc, on-load capacity≦750Ω
7.Limit of basic error:±2.5%
8. Dead zone: 0.5%-1.5% adjustable
9. Damping characteristic:≦3 half cycles
10. Return difference:≦1.5%
11. Power supply voltage:220V (±10%, ±15%) Frequency 50Hz
12. Service environment temperature: Actuator:-10~+55°C or -25~+70°C; amplifier. 0~+50°C
13. Relative humidity of service environment: Actuator:
≦85% (without corrosive substances in ambient air)
Direct Mounted Customization
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Color can be customized
Live Application
Motor
According to the comparison result, the power is amplified to control whether the motor runs and the running direction.
Handwheel
Regardless of whether the remote control is disengaged or not, it can be safely switched to the manual state, and the local handwheel can be shaken.
Controller
In analog input mode, D-type controller (such as DFD-1002) can be connected to perform manual-automatic switching operation. Terminals 3-4 (ie SI) are input mode switching commands. When SI is disconnected, the analog input is accepted. Quantity input operation; when S1 is closed, it accepts manual switch quantity.
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