What is a solenoid valve

Solenoid valve is a valve controlled by electromagnetic, used to adjust the direction, flow, speed and other parameters of the medium in the control system. The distinguishing feature of solenoid valve is that it is easy to realize automatic control.

There is a closed cavity in the solenoid valve with through holes at different positions. Each hole leads to the tubing of a different solenoid valve. In the middle of the cavity is the valve and two electromagnets on both sides. Which side of the magnet coil will energize the valve body Which side is attracted to, by controlling the movement of the valve body to block or leak different oil discharge holes, and the oil inlet hole is normally open, the hydraulic oil will enter the different oil discharge pipes, and then the oil cylinder will be pushed by the oil pressure The piston drives the piston rod, and the piston rod drives the mechanical device. In this way, the mechanical movement is controlled by controlling the current on and off of the electromagnet.

　　The solenoid valve is controlled by electromagnetic effect, and the main control method is controlled by a relay. In this way, the solenoid valve can cooperate with different circuits to achieve the desired control, and the accuracy and flexibility of the control can be guaranteed. There are many types of solenoid valves. Different solenoid valves play a role in different positions of the control system. Commonly used are check valves, safety valves, directional control valves, speed control valves, etc.

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