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What is the Principle of the Electromagnetic Relief Valve?

1 Answers

DelRicardo

07/29/25 10:12am

The working principle of the electromagnetic relief valve is to regulate and control the pressure of hydraulic oil using the force of a spring. When the pressure of the hydraulic oil is less than the required working pressure, the valve core is pressed against the inlet of the hydraulic oil by the spring. The greater the pressure of the hydraulic oil, the higher the valve core is lifted by the hydraulic oil. Below is a related introduction to the electromagnetic relief valve: 1. The electromagnetic relief valve is composed of a relief valve and an electromagnetic directional valve. 2. Its main purpose in the hydraulic system is to prevent the pressure of the hydraulic oil from exceeding the rated load, providing a safety protection function. 3. In addition to all the functions of a relief valve, it can also use electrical control to unload the system or achieve multi-stage pressure control. A buffer can be installed between the pilot valve and the main valve to meet different unloading requirements. 4. The relief valve works in conjunction with the throttle valve, where the throttle valve adjusts the flow rate of the hydraulic oil to control the moving speed of the piston.

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