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ZKZ series linear electric actuator
ZKZ-1000 electric actuator ZKZE-1000 electric actuator ZKZ-4000 electric actuator ZKZE-4000 electric actuator
Product details
ZKZ series linear electric actuator
overviewThe ZKZ series linear electric actuator is a straight through type electric control valve driving device, which controls the valve through external power switching or input DC current signal.
This series of electric actuators is powered by a low-speed synchronous motor, which is reduced by a gear set and converted into linear displacement using screws and nuts to drive the regulating valve to open and close. High precision and reliable potentiometers are used for position feedback output, and upper and lower limit limits are set.
This series of electric actuators uses a patch mounted large-scale integrated circuit to produce servo amplifiers in a proportional variety (i.e. with E), which control the valve through 4-20mA or 1-5V signals.
Main technical parameters
| ZKZ-1000 | ZKZ-4000 | ZKZE-1000 | ZKZE-4000 | Characteristics and Typical Applications ▲ Used in conjunction with a straight through valve for boiler water Positional control; ▲ Used in conjunction with a straight through valve for steam addition Hot temperature control ▲ Cooperate with straight through three-way diversion valve Temperature control for heating thermal oil Manufacturing system; ▲ Different working pressures and through valves Please refer to the table below for the coordination. |
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| Power supply | 220V 50zH | |||||||||
| Full stroke mm | 10 | 16 | 25 | 16 | 25 | 40 | 60 | Corresponding model | ||
| Full travel time S | 25 | 40 | 60 | 16 | 25 | 40 | 60 | Corresponding model | ||
| Rated thrust | 6W | 14W | Corresponding model | |||||||
| Whole machine weight | 1.1kg | 1.9kg | Corresponding model | |||||||
| Control method | 220V 50Hz power switch | DC current and voltage | ||||||||
| Input signal | DC4-20mA or DC1-5V | |||||||||
| Basic error | 2.5%Fs | 2.5%FS | ||||||||
| Valve position feedback signal | 0-1kΩ | DC4-20mA | ||||||||
| Insulation resistance | 50MΩ(500V) | |||||||||
| Insulation strength | AC1500,1min | |||||||||
| Note: | E-belt servo amplifier | |||||||||
According to different job requirements, it is important to reasonably select straight stroke actuators and straight through valves. Based on our experience, we recommend the maximum pressure difference (i.e. the pressure difference between the front and back of the valve, in MPa) when using straight stroke actuators with corresponding straight through valves
| DN20 | DN25 | DN32 | DN40 | DN50 | DN65 | DN80 | DN100 | DN125 | DN150 | |
| ZKZ(E)-1000 | 2.0 | 1.4 | 0.9 | 0.6 | 0.4 | |||||
| ZKZ(E)-4000 | 8.1 | 4.9 | 3.2 | 2.0 | 1.2 | 0.8 | 0.5 | 0.3 | 0.2 | |
| Note: The data listed in the table is for single seat straight through valves. When equipped with double seat straight through valves, the maximum pressure difference can be calculated based on 5-7 times the corresponding diameter in the table. | ||||||||||
Installation and wiring diagram
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