About three-position solenoid valve

For the three-position solenoid valve, the further idea is that n solenoid valves with a certain proportion form 2n kinds of flow. Similar to a digital circuit, this combination valve is called a digital valve. In fact, two double valves or three-position valves of different sizes can produce 24=16 or 32=9 kinds of flow, which can reach very high accuracy. In principle, it has advantages in matching with the industrial control computer of the magnetic column level gauge, but because the application field has not yet put forward a large amount of demand, this technology is still in the experimental stage.

   The spool of the three-position solenoid valve and the high temperature solenoid valve has three working positions. They are not energized at ordinary times and are in a slightly open state. The valve provides initial flow; for one electrical signal, the solenoid valve is fully opened, providing large flow; for another electrical signal , The valve closes the valve. The valve is also equipped with an electric actuator manual device, so that it does not need to consume electricity when the valve is closed for a long time. The three-position solenoid valve can be regarded as a double solenoid valve with a more compact structure, which can easily achieve three-position adjustment and has been used in many applications.

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