Rexroth Type 4WE6 Solenoid Valve for Concrete Pump | 4WE6E60 | 4WE6HA60 | 4WE6D63 | 24V DC Hydraulic Valve
| Model Number | 4WE, 4WE6, 4WE6E60/EG24N9K4, 4WE6HA60/EG24N9K4, 4WE6D63/EG24N9K4 |
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Product Description
4WE6 Series Solenoid Directional Valves for Concrete Pumps
Product Overview: The 4WE6 series is the global standard for directional control in mobile machinery, particularly in concrete pump hydraulic systems. As direct-operated solenoid directional valves, they fully comply with ISO 4401-03 (NG6) international mounting standards. Engineered for the rigorous conditions of construction sites, this series features wet-pin solenoid technology. The armature operates within the hydraulic fluid, providing superior vibration resistance, heat dissipation, and cushioning, ensuring high-frequency switching reliability in 24V DC (EG24) environments.
Featured models include: 4WE6E60/EG24N9K4, 4WE6HA60/EG24N9K4, and 4WE6D63/EG24N9K4.
Key Technical Advantages:
Heavy-Duty Optimization: Specifically reinforced to handle the high-pressure surges typical of concrete pumping. The high-strength cast valve body supports pressures up to 31.5 MPa.
Versatile Spool Logics: Includes Type E (3-pos, closed center), Type D (2-pos, 4-way), and Type HA (hydraulic offset), catering to mixing, outrigger, and main cylinder control on pump trucks.
EG24 High-Response Coils: Standard 24V DC coils provide rapid actuation and include the N9 (Manual override with cover) for manual intervention during power failures.
Superior Sealing & Durability: Utilizes K4 (DIN 43650) connectors with high protection ratings to effectively block moisture and dust found at construction sites.
Detailed Specifications & Parameters:
Featured Model Matrix:
4WE6E60/EG24N9K4: Size 6, E-spool (closed center), 60 design series, 24V DC.
4WE6HA60/EG24N9K4: Size 6, HA-spool (specific logic), 60 design series.
4WE6D63/EG24N9K4: Size 6, D-spool (2-pos), advanced 63 design series.
Core Technical Specs:
Mounting Standard: NG6 (CETOP 3 / ISO 4401-03).
Max Operating Pressure: 31.5 MPa (315 bar).
Max Flow Capacity: Up to 80 L/min.
Voltage Specs: DC 24V (Industrial Standard).




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