Product Overview
The Rexroth 4WRZE10W8-85-73/6EG24ETK31/VAM (Material Number: R901245654) is a high-performance, pilot-operated proportional directional valve designed for precise control of flow direction and magnitude in demanding industrial hydraulic systems. As part of the renowned Rexroth 4WRZE series, this valve features a size 10 (NG10) nominal bore and utilizes a rugged, proven spool-in-sleeve design. It operates on a proportional solenoid principle, where an electrical command signal is converted into a proportional hydraulic output, allowing for infinitely variable control of actuator speed and direction. This valve is a critical component in closed-loop and open-loop control circuits, offering exceptional dynamic response, minimal hysteresis, and high repeatability for advanced motion control applications.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Proportional Directional Valve (Pilot-Operated) |
| Model Designation | 4WRZE10W8-85-73/6EG24ETK31/VAM |
| Material Number | R901245654 |
| Size / Nominal Bore | NG10 (Size 10) |
| Spool Type / Flow Characteristic | W8 (Progressive flow characteristic, symmetrical) |
| Nominal Flow Rate | 85 L/min at Δp = 10 bar per land |
| Operating Pressure | Up to 350 bar (P, A, B ports); 210 bar (T port) |
| Actuation | Proportional Solenoid, 24 V DC (EG24) |
| Electrical Connection | Component plug, 3-pole (K31) |
| Mounting & Connection | Subplate mounting, ISO 4401-05-04-0-05 / CETOP 5 |
| Seal Material | FKM (Viton) / VAM designation |
Engineering Features & Advantages
- Precision Proportional Control: The valve delivers infinitely variable flow control proportional to the electrical input signal, enabling smooth acceleration and deceleration of actuators, precise velocity control, and accurate position holding in closed-loop systems.
- Industrial Reliability: Constructed for continuous duty with durable, corrosion-resistant materials and proven engineering for maximum system uptime.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original Rexroth OEM standards, ensuring drop-in replacement without modification to existing manifolds or piping.
Typical Industrial Applications
This valve is a critical component in closed-loop and open-loop control circuits, offering exceptional dynamic response, minimal hysteresis, and high repeatability for advanced motion control applications.
PRODUCT IMAGES



Rexroth 4WRZE10W8-85-73/6EG24ETK31/VAM / R901245654 Proportional Directional Valve
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- Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
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- Peace of Mind: Covered by our 12-Month Replacement Warranty.
Shop the genuine REXROTH 4WRZE10W8-85-73/6EG24ETK31/VAM / R901245654 Proportional Directional Valve. This Germany-made 24 VDC hydraulic component features a 4-way proportional design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.