2 Way Butterfly Valve Fitted With Reversible Stayput Type Electrical Actuator In Single Phase / Three Phase Actuator Construction
Abutterfly valve is from a family of valves called quarter turn valves. The "butterfly" is a metal disc mounted on a rod. When the valve is closed, the disc is turned so that it completely blocks off the passageway. When the valve is open, the disc is rotated a quarter turn so that it allows unrestricted passage. The position of the disc is effected from outside the valve.