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Hydraulic Directional Valve

A hydraulic directional valve is a directional control valve that changes the direction of fluid flow by controlling the pressure of the liquid to move the valve core.


Working principle of hydraulic directional valve

The main working principle of the hydraulic directional control valve is to control the direction and flow of the liquid by the movement of the valve core. The specific steps are as follows:

InitialState: The valve core is on the valve seat, and both ports are connected (such as fluid flowing from the P port into the A port), and the actuator is in a stopped state.

Action one: Control oil flow into any one of the control ports of the valve body, so that the valve core starts to move in one direction.

Action two: When the valve core moves to a certain position, the valve core connects with the A port and T port, and the lubricating oil flows from the A port through the valve core into the T port, and the actuator starts to work.

Action three: When the control port is closed, the valve core starts to move in the direction of reset. When the valve core returns to its original position, the actuator stops working.


Applicability of hydraulic directional valve

The hydraulic directional control valve has the characteristics of wide range of applications and high reliability, and has a wide range of applications in various hydraulic systems. It can be used to form a multi-way valve for complex hydraulic control, or can be combined with other hydraulic components to form a hydraulic system and cooperate with electric control, electromechanical devices and other equipment for automatic control. Therefore, the hydraulic directional control valve is one of the important components that cannot be missing in hydraulic systems.

In summary, the hydraulic directional control valve realizes control of the actuator direction and speed by controlling the direction and flow of the oil. The valve can be flexibly matched with other hydraulic components to meet the needs of various hydraulic systems. In different industries, hydraulic directional control valves have a wide range of applications, such as aviation, engineering machinery, papermaking, metallurgy and other fields.


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0086-553-8812880 salesinno@innohydra.com
No. 03, 03rd Kechuang Road, Xinwu Economic Development Zone, Wanzhi District, Wuhu City, Anhui Province, China
Follow Us