Design and Structure
Valve Body: The valve body is made of high-strength and corrosion-resistant materials, which can endure high pressures and harsh working conditions in the concrete pump truck's hydraulic system. Its robust construction ensures long-term reliability and stability.
Electromagnetic Actuator: Equipped with a powerful electromagnetic actuator, this valve can quickly and accurately convert electrical signals into mechanical motion. The actuator is designed for high efficiency and durability, capable of withstanding frequent switching operations and providing stable performance over a long service life.
Sealing System: The valve adopts an advanced sealing system with high-quality sealing materials. These materials offer excellent resistance to oil, wear, and aging, effectively preventing leakage and ensuring the integrity and efficiency of the hydraulic system.
Working Principle
Electromagnetic Control: When an electrical signal is applied to the electromagnetic coil of the valve, a magnetic field is generated. This magnetic field attracts the armature, causing the valve spool to move. By controlling the on/off state and magnitude of the electrical signal, the position of the valve spool can be precisely adjusted, thereby changing the flow direction and path of the hydraulic fluid.
Flow Characteristics in Type H: In the H type configuration, when the valve is in the neutral position, all ports (P, A, B, and T) are interconnected. This allows for unrestricted flow of hydraulic fluid between all ports, which is beneficial in specific hydraulic system setups where fluid circulation or pressure relief is required. When the valve spool is actuated by the electromagnetic force, it alters the connection pattern of the ports, enabling the controlled flow of hydraulic fluid to drive different components of the concrete pump truck's hydraulic system.
Performance Features
High Pressure Resistance: The DG4V30CMUH760 valve is capable of withstanding high hydraulic pressures, making it suitable for use in the high-pressure hydraulic systems of concrete pump trucks. It can operate reliably under extreme pressure conditions, ensuring the efficient operation of the pump truck's hydraulic components.
Precise Flow Control: With its advanced design and precise manufacturing, this valve enables accurate control of the hydraulic fluid flow. It can provide precise and stable flow regulation, allowing for smooth and precise operation of the concrete pump truck's boom, cylinders, and other hydraulic actuators.
Fast Response Time: The valve is designed to have a rapid response time, enabling quick changes in the flow direction of the hydraulic fluid. This ensures that the concrete pump truck's hydraulic system can respond promptly to operator commands, enhancing the overall operational efficiency and maneuverability of the vehicle.
Low Leakage: Thanks to its excellent sealing performance, the DG4V30CMUH760 valve has extremely low leakage rates. This helps to maintain the efficiency of the hydraulic system by minimizing fluid loss and ensuring that the hydraulic power is transmitted effectively to the relevant components.
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Zoomlion Concrete Pump Truck Accessories Electromagnetic Directional Valve DG4V30CMUH760 (H-type) Images
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