Direct and reverse acting control valve|| air to open control valve to air into close control valve-motorized ball valve normally open-Manufacturer, China
![](https://mvt-hk.com/wp-content/uploads/https://i.ytimg.com/vi/d_FCLvdiFGM/maxresdefault.jpg)
buy motorized ball valve:https://mvt-hk.com/china-motorized-ball-valve/
#motorized ball valve normally open