Electro-Hydraulic Directional Control Valve
3 month ago
Product details
Electro-Hydraulic Directional Control Valve
The Electro-Hydraulic Directional Control Valve is a hydraulic directional valve integrated with an electromagnetically operated pilot valve. The following provides a detailed introduction to the electro-hydraulic directional control valve:
I. Working Principle
The electro-hydraulic directional control valve controls the direction of the hydraulic main valve through an electromagnetic pilot valve. When the electromagnetic pilot valve is energized, it changes the direction of the control oil circuit in the hydraulic valve, thereby pushing the main valve spool to move and achieving directional change in the main oil circuit. In this process, the pressure oil in the control oil circuit plays a crucial role, as it pushes the valve spool to change positions, thus altering the flow direction of the oil.
II. Main Characteristics
1. Large Flow Control: The electro-hydraulic directional control valve is primarily used in hydraulic systems where the flow exceeds the normal operating allowable range of electromagnetic directional valves, meeting the demand for large flow control.
2. Precise Control: Through precise control by the electromagnetic pilot valve, the main valve spool can be accurately moved, thereby precisely controlling the flow direction of the oil.
3. Compact Structure: The electro-hydraulic directional control valve integrates the electromagnetic pilot valve and the hydraulic main valve, resulting in a compact structure that facilitates installation and maintenance.
4. High Reliability: Due to its hydraulic control, the electro-hydraulic directional control valve operates stably and reliably, suitable for various harsh operating environments.
III. Application Areas
Electro-hydraulic directional control valves are widely used in industrial automation, machinery manufacturing, agricultural machinery, and other fields. In the field of industrial automation, they are commonly used in automated equipment on production lines, such as robots and automatic assembly lines. By precisely controlling the direction of fluid flow, they enable precise movements and efficient operation of equipment. In the field of machinery manufacturing, electro-hydraulic directional control valves are essential components of heavy-duty machinery such as excavators, cranes, and loaders. They achieve flexible control of the hydraulic system through the electro-hydraulic directional control valve, thereby completing various complex tasks.
IV. Installation and Maintenance
1. Installation: The electro-hydraulic directional control valve should preferably be installed in a horizontal position, and the fixing screws should be selected according to the parameters listed in the sample. The surface connected to the valve should meet certain roughness and flatness requirements.
2. Maintenance: Regularly inspect and maintain the electro-hydraulic directional control valve, including cleaning the filter medium and checking the operating status of the electromagnetic coil, to ensure its long-term stable operation. At the same time, attention should be paid to avoiding contamination of the medium in the hydraulic system, with a filtration precision of at least 20 micrometers.
In summary, as an important hydraulic control component, the electro-hydraulic directional control valve plays a crucial role in fields such as industrial automation and machinery manufacturing. By precisely controlling the flow direction of oil, it can achieve various complex hydraulic control tasks, improving the operational efficiency and reliability of equipment.
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Ningbo Hengnuo Hydraulic Drive Co.,Ltd
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3 year
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