Pneumatic Cement Butterfly Valve

Pneumatic actuator butterfly valve has two forms of positive action and reaction. When the signal pressure from the controller or valve positioner increases, the stem downward action is call the positive action actuator. When the signal pressure increases, the stem upward action is call the reaction actuator.Pneumatic Butterfly Valves are very useful to control highly inflammable liquids like petro-chemicals, Oil, and Gas. It is operated by Pneumatic which allows fast functionality and safe from fire and electric short circuits. So it is an electricity efficient operated valve with the lowest cost.