Newsletter 1/22 - Principle of operation of a solenoid valve

A solenoid valve is an electromechanically operated valve, which opens and closes a fluid (typically water, air, oil, gas and steam, but other fluids can be involved).?

The valve is composed by:?

1. a solenoid, which opens and closes the valve;?
2. an armature tube, which contains and guides the plunger. It is composed by a tube and a fixed magnetic plunger;?
3. a mobile plunger, which is a magnetic component that contains the sealing system of the valve.?

When the electric current gets through the solenoid, it creates a magnetic strenght that hits the armature tube and the mobile plunger. At this point the two components of the magnetisable material activate and attract each other, making the mobile plunger slide from its “resting” position (closed valve), to the “excited” position ( the valve lifts and touches the fixed nucleus) opening the flux of the fluid through the valve.

The electric operator can be assembled on different types of valves, which are connected to different tubes depending on the different dimensions and fittings.?

The solenoid valve can handle different pressures, depending on the power of the solenoid and the dimension of the orifice of the valve. In? general, the more powerful a solenoid is, the more pressure it will handle; the bigger the orifice of the valve, the less pressure it will handle.?

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Make sure to follow us for further information on the types of solenoid valves, numbers of the ways, types of drives and configurations.

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