What is Positioner in Pneumatic actuators Control Valve?|Positioner Working Principle-Electrically controlled butterfly valve
![](https://mvt-hk.com/wp-content/uploads/https://i.ytimg.com/vi/4mJwTxfKPhc/maxresdefault.jpg)
buy motorized butterfly valve:https://mvt-hk.com/motorized-butterfly-valve-supplier/
#Electrically controlled butterfly valve