Product Overview
The Rexroth 4WRZE 10 W8-85-73/6EG24ETK31/A1M (Material Number: R901245654) is a high-response, pilot-operated proportional directional valve from the renowned Rexroth WRZE series. Engineered for precise control of flow direction and magnitude in demanding hydraulic systems, this valve utilizes a proportional solenoid on the pilot stage to infinitely adjust the main spool position. This results in a smooth, continuous, and highly accurate control of actuator speed and direction, making it an ideal choice for closed-loop position, velocity, and force control applications. Its robust design and advanced control characteristics ensure superior dynamic performance and repeatability in the most challenging industrial environments.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Proportional Directional Valve |
| Model Designation | 4WRZE 10 W8-85-73/6EG24ETK31/A1M |
| Material Number | R901245654 |
| Size / Nominal Flow | NG10 (Size 10) / 85 L/min nominal flow at Δp = 10 bar |
| Actuation | Proportional Solenoid with Integrated Electronics (OBE) |
| Operating Pressure | Up to 315 bar (P, A, B ports); 210 bar (T port) |
| Electrical Supply | 24 V DC (Nominal), with integrated control electronics |
| Mounting & Connection | Subplate mounting, ISO 4401-05-04-0-05 (NG10) interface |
Engineering Features & Advantages
- Precision Proportional Control: The valve provides infinitely variable control of flow volume and direction, proportional to the electrical input signal. This enables precise, high-resolution metering for accurate actuator positioning and velocity control.
- High-Response Pilot Operation: The pilot-operated design with a high-performance proportional solenoid ensures fast response times and high dynamics, crucial for closed-loop control circuits and rapid machine cycles.
- Integrated Electronics (OBE): The on-board electronics (OBE) simplify wiring, reduce installation space, and improve signal quality and valve-to-valve consistency by eliminating the need for external amplifiers.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, featuring a robust housing and a wear-resistant spool and sleeve assembly for long service life.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original OEM Rexroth standards, ensuring seamless integration and drop-in replacement for existing machinery.
Typical Industrial Applications
This high-performance proportional directional valve is ideally suited for a wide range of heavy industrial applications requiring precise motion control. Common uses include plastic injection molding machines for accurate injection and clamping profiles, metallurgical presses for controlled force and position, CNC machine tools for precise axis movement,
PRODUCT IMAGES
Rexroth 4WRZE 10 W8-85-73/6EG24ETK31/A1M / R901245654 Proportional Directional Valve
⚡ Emergency Plant Maintenance & Ready-to-Ship Notice:
- Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
- Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
- Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
- Peace of Mind: Covered by our 12-Month Replacement Warranty.
Shop the genuine REXROTH 4WRZE 10 W8-85-73/6EG24ETK31/A1M / R901245654 Solenoid Directional Valve. This Germany-made 24V DC hydraulic component features a high-response pilot control, delivering leak-free, reliable fluid control for heavy-duty industrial systems.