It is directly installed in the flange of the valve, thus avoid ordinary quarter-turn electric actuator’s problem of allocating connecting rod or other mechanism through the pedestal. It not only saves the expenditure but also improves the adjustment accuracy.
Main technical performance:
1. Input signals: mode II: 0~10 mA, DC; mode III: 4~20 mA, DC
2. Input passages: 3
3. Input channel resistance: mode III: 250Ω, mode II: 200Ω
4. Output thrust: see dynamic parameter
5. Whole travel time: see dynamic parameter
6. Basic error: ±2.5%
7. Dead band: ≤3%
8. Damping characteristic: ≤ a half and three cycles
9. Return difference: 1.5%
10. Voltage of the power supply: 220V(+10%,~15%) frequency: 50HZ
11. Temperature of the operating environment:
Actuator: -10~+55°C or -25~+70°C
Amplifier: 0~+50°C
12.Relative humidity of the operating environment:
Actuator: ≤95%
Amplifier: 10%~70%
