2040533 12V CAT Construction Machine Spare Parts Solenoid Valve

Direct acting solenoid valve is a type of solenoid valve, which is characterized by being able to work normally under vacuum, negative pressure, and zero pressure, but the diameter generally does not exceed 25mm. Directly installing a coil on the valve body becomes a direct acting solenoid valve. Its working principle is that when the coil is powered on, the moving iron core directly opens the valve port under the action of electromagnetic force. After the coil is powered off, the moving iron core closes the valve port under the action of spring force.

Electromagnetic valve is an industrial equipment controlled by electromagnetic force, mainly used to control the direction, flow rate, speed, and other parameters of fluids. Electromagnetic valves control the movement of the valve body by energizing and de energizing the electromagnet, thereby changing the flow path of the fluid and achieving automated control. Electromagnetic valves are widely used in hydraulic, pneumatic and other systems, and can be matched with different circuits to achieve precise control. ‌12

The working principle of an electromagnetic valve is to attract or release the valve body by energizing and de energizing the electromagnet, thereby controlling the flow of fluid. Specifically, there is a sealed chamber inside the solenoid valve, with the valve body in the middle and two electromagnets on both sides. When the magnet coil on one side is energized, the valve body will be attracted to that side, thereby opening or closing different oil discharge holes and controlling the flow of fluid.

There are various types of solenoid valves, including one-way valves, safety valves, directional control valves, etc., and each type plays a different role in the control system. For example, one-way valves are used to control the one-way flow of fluids, safety valves are used to protect the system from overpressure, and directional control valves are used to change the direction of fluid flow.

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