Product Overview
The Rexroth 4WRPH 6 C4 B40L-20/G24Z4/M (Material Number: 0811404039) is a high-response, pilot-operated proportional directional valve from the renowned Rexroth WRPH series. Engineered for precise electro-hydraulic control of flow direction and magnitude, this valve utilizes a proportional solenoid with integrated position feedback to deliver exceptional dynamic response and repeatability. The 4WRPH series is specifically designed for applications demanding high-frequency response and accurate velocity control, acting as the critical interface between electronic control systems and hydraulic actuators in demanding industrial machinery.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Proportional & Servo Valve (High-Response Directional) |
| Model Designation | 4WRPH 6 C4 B40L-20/G24Z4/M |
| Material Number | 0811404039 |
| Size / Nominal Flow | NG6 (CETOP 3 / ISO 4401-03) |
| Operating Pressure | Up to 315 bar (P, A, B ports); 250 bar (T port) |
| Nominal Flow Rate | 40 L/min at Δp = 10 bar per land |
| Actuation / Solenoid | Proportional Solenoid, 24 V DC (G24), with position feedback |
| Electrical Interface | Component plug, 4-pole (Z4) with mating connector |
| Spool Type / Configuration | C4 (Critical center, closed transition, symmetrical) |
| Mounting & Connection | Subplate mounting, ISO 4401-03-04-0-05 / CETOP 3 |
| Seal Material | NBR (Nitrile) standard, FKM available on request |
| Operating Temperature Range | -20 °C to +80 °C (fluid dependent) |
Engineering Features & Advantages
- Precision Performance: The proportional & servo valve (high-response directional) delivers precise, repeatable performance with low hysteresis and stable control across the full working range.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, with robust construction and wear-resistant internal components for extended service life.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original Rexroth standards, allowing straightforward retrofit into existing hydraulic systems without rework.
Typical Industrial Applications
The 4WRPH series is specifically designed for applications demanding high-frequency response and accurate velocity control, acting as the critical interface between electronic control systems and hydraulic actuators in demanding industrial machinery.
PRODUCT IMAGES


Rexroth 4WRPH 6 C4 B40L-20/G24Z4/M / 0811404039 High-Response 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 4WRPH 6 C4 B40L-20/G24Z4/M / 0811404039 Solenoid Directional Valve. This Germany-made 24V DC hydraulic component features a pilot-operated design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.





