Rexroth Type 4WRZ 4WRZE Valve | 4WRZ25W8-325 4WRZE25E1 | R900719985 | NG25 Proportional Valve

Model Number

4WRZE25, 4WRZ25

Product Description

Rexroth Type 4WRZ & 4WRZE25 Series Pilot-Operated Proportional Directional Valves

Product Overview: The 4WRZ and 4WRZE25 Series are high-performance, two-stage pilot-operated proportional directional valves engineered for the precision control of massive flow in sophisticated hydraulic systems. As the industry benchmark for Size 25 (NG25 / CETOP 08) footprints, this series delivers exceptional dynamic response for flow rates up to 600 L/min. The 4WRZE variant features integrated On-Board Electronics (OBE) for seamless “plug-and-play” installation, while the 4WRZ offers superior flexibility for external control architectures.

This category focuses on premium configurations from the latest 7X design sequence: the high-flow 4WRZ25W8-325-7X/6EG24N9ETK4/M (Part No: R900719985) and the digital-ready 4WRZE25E1-220-7X/6EG24N9EK31/F1D3M. These valves are the premier choice for large-scale die-casting machines, steel mill automation, mining machinery, and high-output hydraulic power units.

Key Technical Advantages:

  • Superior High-Flow Regulation: The pilot-operated architecture ensures stability under high-pressure conditions (315 Bar) while allowing stepless, linear adjustment of actuator speed and direction.

  • Integrated On-Board Electronics (OBE/4WRZE): Factory-calibrated control circuitry mounted directly on the valve simplifies wiring and enhances electromagnetic compatibility (EMC).

  • Advanced 7X Design Sequence: Optimized internal fluid dynamics significantly reduce pressure drop and improve switching smoothness under high-inertia loads.

  • Versatile Signal Compatibility (D3M): Supports both analog and digital communication protocols. Combined with TK4 (Square plug) or EK31 (7-pin) interfaces, it perfectly matches the requirements of modern Industry 4.0 closed-loop systems.

Detailed Specifications & Parameters:

  • Core Series: Rexroth Type 4WRZ/4WRZE Proportional Valve.

  • Featured Model Matrix & Part Numbers: * 4WRZ25W8-325-7X/6EG24N9ETK4/M (R900719985)

    • 4WRZE25E1-220-7X/6EG24N9EK31/F1D3M

  • Core Performance Specs:

    • Nominal Size: Size 25 (NG25 / CETOP 08).

    • Rated Flow: Options include 220 L/min and 325 L/min (at Δp = 10 bar).

    • Max Operating Pressure: Rated up to 315 Bar (4,500 PSI).

    • Voltage Specs: 6EG24 (24V DC) proportional control.

    • Seal Type: M (NBR) or F1 (Advanced fluid-compatible seals).

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.
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Our Advantages

Fast & Reliable Delivery

We optimize global logistics channels to ensure every customer receives their goods on time, anywhere in the world.

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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