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Rexroth 4WRDE Valve | 4WRDE25 350L | 4WRDE16 125L | R900619532 R900963959 | High Response Proportional Valve
| Model Number | 4WRDE 16V125L-5X/6L24K9/V-576, 4WRDE 25 V1-350L-5X/6L24K9/M |
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Product Description
Rexroth 4WRDE High-Response Pilot-Operated Proportional Valves
Product Overview:
The Rexroth 4WRDE series represents top-tier pilot-operated proportional directional valves, specifically engineered for closed-loop systems requiring massive flow capacities and servo-class dynamic characteristics. Featuring Integrated Electronics (OBE) and an inductive displacement sensor (LVDT), this series ensures high-precision closed-loop control of the main spool position. Whether it is the 4WRDE16 (NG16) or the 4WRDE25 (NG25), these valves provide exceptional frequency response under extreme pressure, making them the industry standard for metal forming presses, plastics processing machinery, and heavy-duty automated circuits.
Featured models: 4WRDE25V1-350L-5X/6L24K9/M (R900619532) and 4WRDE16W1-125L-5X/6L24K9/M (R900963959).
Key Technical Advantages:
Ultimate Dynamic Response: The optimized pilot stage allows large-bore main spools to achieve rapid step response speeds, rivaling servo valve performance.
Integrated OBE Digital Control: The digital amplifier is mounted directly on the valve, simplifying wiring and featuring factory-calibrated zero point and gain.
Full Closed-Loop Feedback: Utilizing the LVDT position sensor, hysteresis is reduced to below $0.1\%$ with minimal linearity deviation.
Latest Series 5X Engineering: Incorporates the latest Rexroth 5X design, optimizing flow galleries to minimize pressure drop and enhance energy efficiency.
Industrial Ruggedness: IP65-rated for superior resistance to vibration, shock, and electromagnetic interference (EMI).
Detailed Specifications & Parameters:
Featured Model Matrix:
R900619532 (4WRDE25V1-350L): Size 25 (NG25), featuring a massive 350 L/min nominal flow rate.
R900963959 (4WRDE16W1-125L): Size 16 (NG16), featuring a 125 L/min nominal flow rate.
Core Technical Specs:
Max Operating Pressure: Up to 350 bar (35.0 MPa) at P, A, and B ports.
Control Interface: 24V DC power supply (6L24); compatible with standard analog command signals.
Step Response Time: ~20ms for NG16; ~35ms for NG25 (typical values).
Seal Material: FKM (Viton) for thermal stability and chemical compatibility with various hydraulic fluids.
Company Profile
We adhere to international quality management standards and provide a 1-year warranty including maintenance and replacement. We have established long-term strategic cooperation with many well-known brands and continuously launch new products to meet market development. Flexible payment terms are supported, including USD settlement, Alipay, Western Union and T/T.
Relying on our standardized production base and professional foreign trade team, we provide competitive factory direct prices, efficient logistics channels and punctual delivery. FJZY Hydraulic is devoted to being your trustworthy long-term partner in hydraulic and agricultural machinery fields.
Our Advantages
Fast & Reliable Delivery
Extensive Partnerships
We collaborate with numerous factories, offering a wide range of product selections and providing you with instant quote responses
Strict Quality Assurance
Quality first is our principle. We provide a one-year warranty service, ensuring you receive top-tier quality products with confidence.
Competitive Pricing
Through efficient production and close cooperation, we offer highly competitive prices, guaranteeing a cost-effective experience for you.
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