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Asco 3-Way Solenoid Valves
2013-07-02
These valves have three pipe connections and two orifices. When one orifice is open, the other is closed and vice versa. They are commonly used to alternately apply pressure to an exhaust pressure from a valve actuator or a single acting cylinder. These valves(Solenoid Valves) can be normally closed, normally open or universal.
link:http://www.ascovalve.com/Applications/Products/Solenoid3WayData.aspx