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Current passes into the coil:
The operation of a solenoid valve begins with the passage of electric current into the coil. When an electric current passes through a conductive coil, a magnetic field is created around the coil. The strength and direction of this magnetic field are determined by the magnitude and direction of the current.
The magnetic field acts on the piston:
There is usually magnetic material around the coil, such as an iron core, which is affected by the magnetic field generated by the electric current. This magnetic field causes the magnetic material to be attracted or repelled, thereby affecting the movement of the piston.
Piston movement:
The piston is a movable part in the solenoid valve. It starts to move in the valve body under the influence of magnetic field force. Its movement can be push or pull, and the specific design depends on the type of solenoid valve and application scenario.
Valve body channel status changes:
The movement of the piston causes the state of the valve body passage to change. When the piston is in a specific position, the fluid passage opens; when the piston moves to another position, the passage closes. This process enables precise control of the fluid.
Spring assist control:
Springs are usually designed to assist the movement of the piston. In the event of a power outage or other abnormal situation, the spring can quickly close the solenoid valve to prevent unnecessary fluid leakage and improve the safety of the system.
Valve body channel adjustment:
The solenoid valve precisely adjusts the magnetic field in the coil by controlling the magnitude and direction of the current, thereby adjusting the position of the piston. This process is very flexible and can fine-tune the valve body channels to meet different fluid control needs.
