Extened stem with spring return
Retracting stem with spring return
Tension Open & close
The AVF/AVM valve actuators fulfil all requirements for control valve actuators with remarkable efficiency. Automatic adaptation to valve, precision control and high energy efficiency with minimal operating noise. The AVF/AVM valve actuators are provided of automatic detection of control signal. 2 LEDs shows the motor running; characteristic curve (linear or equal percentage) and running time can be adjusted by coding switch.