Product Overview
The Rexroth 4WRPNH 6 C4 B24L-20/V/24/A67 (Material Number: R901301605) is a high-response, pilot-operated proportional directional valve manufactured by Bosch Rexroth. Engineered within the WRPNH series, this valve is designed to provide precise, continuous control of flow direction and magnitude in hydraulic systems. It utilizes a proportional solenoid actuation principle, where an electrical input signal proportionally displaces the main spool against a centering spring, thereby regulating the hydraulic flow to the actuator. This component is a critical interface in advanced industrial systems requiring smooth acceleration, deceleration, and position control of heavy loads, offering a compact and energy-efficient alternative to traditional servo valve technology.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Proportional Directional Valve (Pilot-Operated) |
| Model Designation | 4WRPNH 6 C4 B24L-20/V/24/A67 |
| Material Number | R901301605 |
| Nominal Size (NG) | 6 (NG6 / CETOP 3 / ISO 4401-03) |
| Actuation Type | Proportional Solenoid with Integrated Position Control |
| Operating Pressure | Up to 350 bar (P, A, B ports); 210 bar (T port) |
| Supply Voltage | 24 V DC (Nominal) |
| Mounting & Connection | Subplate Mounting (ISO 4401-03-04-0-05) |
Engineering Features & Advantages
- Precision Performance: The valve features a high-response pilot stage and a position-controlled main stage, ensuring minimal hysteresis and excellent repeatability for precise velocity and position control of actuators.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, the robust housing and wear-resistant spool design ensure a long service life even in high-cycle applications.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original OEM standards, ensuring seamless integration into existing Rexroth proportional valve systems and manifolds.
- Advanced Control: The integrated electronics (OBE) facilitate fast response times and allow for fine-tuning of the valve characteristics to match specific machine requirements, reducing commissioning time.
Typical Industrial Applications
This proportional directional valve is ideally suited for a wide range of heavy industrial scenarios, including plastic injection molding machines where precise injection speed and pressure holding are critical, metallurgical presses requiring accurate force control, CNC machine tools for tool positioning and clamping, and general construction & marine hydraulics where smooth operation of heavy booms and winches is essential.
PRODUCT IMAGES


Rexroth 4WRPNH 6 C4 B24L-20/V/24/A67 / R901301605 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 4WRPNH 6 C4 B24L-20/V/24/A67 / R901301605 Proportional Directional Valve. This Germany-made 24 VDC hydraulic component features a high-response proportional design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.