Rexroth Type 4WRPEH6 Valve | 4WRPEH6C4B24L | 4WRPEH6C3B24L | R901382346 Proportional Valve
| Model Number | 4WRPEH, 4WRPEH 6 C3 B24L-20/G24K0/A1M, R901382346 4WRPEH 6 C4B24L-3X/M/24A1 |
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Product Description
Rexroth Type 4WRPEH6 Series High-Response Proportional Servo Valves with OBE
Product Overview: The 4WRPEH6 Series is a direct-operated proportional servo directional valve, strictly adhering to ISO 4401 (Size 6 / NG6) mounting standards. It is engineered for closed-loop control systems requiring extreme dynamic response and zero-overlap characteristics. Featuring integrated On-Board Electronics (OBE), the valve responds to analog input signals with millisecond precision. The internal spool position is continuously monitored via an inductive transducer for closed-loop feedback, ensuring superior repeatability and minimal hysteresis even under high-pressure 315 Bar conditions.
This selection features premium configurations: the latest 4WRPEH6C4B24L-3X (R901382346) and the standard 4WRPEH6C3B24L-20 specification.
Key Technical Advantages:
Integrated OBE (On-Board Electronics): Built-in amplifiers are factory-calibrated for zero-point and gain, simplifying system integration while enhancing signal integrity against electromagnetic interference.
High Dynamic Frequency Response: Designed for high-frequency switching to track complex pressure and flow commands in real-time, ideal for precision molding and high-speed hydraulic systems.
Servo-Quality Precision Spools: Spools and sleeves are precision-ground for zero-overlap, ensuring a seamless transition during directional switching without dead-band effects.
Rugged Industrial Design: Cast from high-strength iron with IP65 ingress protection, the valve is built to withstand vibration, oil contamination, and industrial EMI.
Detailed Specifications & Parameters:
Core Series: Rexroth Type 4WRPEH6 Series (Size 6 / NG6).
Featured Model & Part Number Matrix:
R901382346 / 4WRPEH6C4B24L-3X/M/24A1 (Latest 3X Design Sequence)
4WRPEH6C3B24L-20/G24K0/A1M (20 Series Standard Rating)
Core Performance Specs:
Nominal Size: Size 6 (NG6 / CETOP 03).
Max Operating Pressure: Rated up to 315 Bar (4,500 PSI).
Flow Capacity: 24 L/min (B24L rating).
Command Signal: A1 (±10V analog voltage).
Auxiliary Features: M (Manual Override); G24 (24V DC supply).
Seal Material: High-grade seals compatible with mineral oil hydraulic fluids.



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