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Solenoid Valves Actuator Control Valve Working Principle


A solenoid valve is an electromechanically-operated valve.Solenoid valves differ in the characteristics of the electric current they use, the strength of the magnetic field they generate, the mechanism they use to regulate the fluid, and the type and characteristics of fluid they control.

source/image(PrtSc): The Engineering Mindse

How do solenoid valves work? We look at how it works as well as where we use solenoid valves, why we use solenoid valves and what they look like. We look inside the simplified valve to understand the working principle of how a solenoid vale works.

The mechanism varies from linear action, plunger-type actuators to pivoted-armature actuators and rocker actuators. The valve can use a two-port design to regulate a flow or use a three or more port design to switch flows between ports. Multiple solenoid valves can be placed together on a manifold.


There are many valve design variations. Ordinary valves can have many ports and fluid paths. A 2-way valve, for example, has 2 ports; if the valve is open, then the two ports are connected and fluid may flow between the ports; if the valve is closed, then ports are isolated. If the valve is open when the solenoid is not energized, then the valve is termed normally open (N.O.). /via/read more: wikipedia

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