When power is sent through the coil, a magnetic field is created, which pushes or pulls the plunger, shifting the valve. The coil exists with any range of voltage from 12-48 Vdc to 110-220 Vac. The plunger slides within a core tube of non-ferrous metal, itself surrounded by a coil of electrical windings. The spool or poppet of the valve connects to a ferrous metal plunger, which is typically spring centered or spring offset, but may be detented instead. Used in both pneumatic and hydraulic fluid power functions, the spool or poppet design of most solenoid valves makes them perfect for various functions and applications.
Solenoid valves are electrically activated valves, typically used to control the flow or direction of air or liquid in fluid power systems.
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