Zoomlion Concrete Pump Truck Accessories Electromagnetic Directional Valve DG4V-5-2AJ-M-U-H6-20

Product Description

Design and Structure

Valve Body: The valve body is crafted from high-strength, corrosion-resistant materials, usually a special alloy. This ensures the valve can endure the high pressures, vibrations, and harsh conditions in a concrete pump truck's hydraulic system. Its robust construction guarantees long-term reliability and stability.

Electromagnetic Actuator: Fitted with a powerful electromagnetic actuator, the valve can quickly and accurately control the movement of the spool. The actuator is designed to work with specific electrical inputs, converting electrical energy into mechanical force with a rapid response time. It features good heat dissipation and is protected against electrical interference for reliable operation.

Sealing System: A high-quality sealing system is integrated into the valve. Made of advanced sealing materials such as synthetic rubbers, it effectively prevents hydraulic fluid leakage. The seals are resistant to wear, aging, and the chemical properties of the hydraulic fluid, ensuring the valve's performance and efficiency under various working conditions.

Working Principle

Electromagnetic Control: When an electric current is applied to the electromagnetic coil, a magnetic field is generated. This magnetic field attracts the armature connected to the valve spool, causing the spool to move within the valve body. By controlling the on/off state and intensity of the current, the position of the spool can be precisely adjusted.

Flow Control: Depending on the spool's position, the valve controls the flow direction of the hydraulic fluid. In different working positions, it can connect or disconnect different ports, allowing the hydraulic fluid to flow to the desired components in the concrete pump truck's hydraulic system, such as cylinders or motors, to achieve the required motion and operation.

Performance Features

High-Pressure Resistance: The DG4V-5-2AJ-M-U-H6-20 is designed to handle high hydraulic pressures typically encountered in concrete pump truck applications. It can operate stably at high pressures, providing the necessary power for pumping concrete and other operations.

Precise Flow Regulation: With its advanced design and manufacturing precision, the valve offers excellent flow control. It can accurately adjust the flow rate of the hydraulic fluid, ensuring smooth and precise operation of the pump truck's hydraulic components, such as the boom and concrete dispensing mechanism.

Fast Response: The valve has a short response time, enabling quick changes in the hydraulic fluid's flow direction. This is crucial for the efficient operation of the concrete pump truck, allowing it to respond promptly to operator commands and different working conditions.

Low Leakage: Thanks to its reliable sealing system, the valve has a very low leakage rate. This helps to maintain the efficiency of the hydraulic system by reducing energy loss and ensuring that the hydraulic power is effectively transmitted to the actuators.