What is the role of the directional control valve in the hydraulic system?

1. Adjust the direction of oil flow
The directional control valve can change the flow direction of the oil as needed, thereby controlling the movement direction of the hydraulic actuator (such as hydraulic cylinder, hydraulic motor, etc.). For example, in the telescopic movement of the hydraulic cylinder, the directional control valve switches the flow direction of the oil to achieve the extension and retraction of the hydraulic cylinder.

2. Block or open the oil circuit
In addition to adjusting the flow direction of the oil, the directional control valve can also block or open the oil circuit. When the hydraulic system needs to stop the movement of a certain actuator, the directional control valve can close the corresponding oil circuit and cut off the flow of oil. On the contrary, when it is necessary to start or continue the movement of the actuator, the directional control valve opens the oil circuit to allow the oil to flow.

3. Control the start, stop and movement direction of the actuator
By accurately controlling the flow direction of the oil and the on and off of the oil circuit, the directional control valve can achieve precise control of the start, stop and movement direction of the hydraulic actuator. This control is essential for the stable operation and efficient operation of the hydraulic system.

4. Improve system performance and reliability
The precise control of the directional control valve can improve the overall performance and reliability of the hydraulic system. For example, in situations where a quick response is required, the directional control valve can quickly switch the flow direction of the oil, thereby achieving rapid start and stop of the actuator. In addition, the reliability of the directional control valve is also directly related to the stability and safety of the hydraulic system.