It also generates an additional magnetic field with a slight delay to ensure there is always a positive force pulling the plunger upwards during the AC cycle. The shading ring above the plunger is added to prevent humming sounds for AC valves. This opens up the orifice and the media is free to move through the valve body. This force overcomes the combined force of the medium pressure and the spring force.
The plunger is ferromagnetic and gets attracted towards the center of the field. When power is supplied to the coil (also referred to as a solenoid), it creates an electromagnetic field through the armature. The valve has seven main features, as seen in Figure 2 showing a normally closed solenoid valve. However, some of the same principles can be applied to other valve types as well.Ī solenoid valve is an electromechanically controlled valve to control the flow of a media through it. Solenoid valves are operated by an electrical actuator (as seen in Figure 1), so that is what will be discussed in this article. Ensuring that these valves stay up and running will keep your system up and media moving. They allow the user to control when, where, and how much the media moves from one step to the next. A solenoid valve is a crucial component to any fluid control system.
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