What is a Solenoid Valve and how does it work

Solenoid valve, also known as electric valve, is an automatic valve, its role is not required to manually operate the valve.

The solenoid valve is operated by solenoid coil to change the valve state from open to closed, and vice versa. If the solenoid valve is in the "normally closed" state, when the coil is energized, the electromagnetic force generated by the coil will open the solenoid valve.