Rexroth Proportional Valve | 4WRPEH6 | 4WRLE16 | 4WRTE & 4WRPE Series | Servo-Performance Control
| Model Number | 4WRLE16V200M-30-G24K0-A1M, 4WRTE, 4WRLE, 4WRA, 4WRDE, 4WRZE, 4WRPE, 4WRKE |
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Product Description
Rexroth 4WRPEH & 4WRLE High-Performance Proportional Valves
Product Overview:
The Bosch Rexroth 4WR series represents the pinnacle of modern hydraulic control technology. This featured collection highlights the 4WRPEH6 high-response proportional directional valve (direct-operated) and the 4WRLE16 pilot-operated proportional valve. Both series feature Integrated On-Board Electronics (OBE) and utilize electrical spool position feedback for closed-loop control, delivering exceptional dynamic frequency response and precision. Whether applied in injection molding injection control or heavy-duty press synchronization, these valves provide servo-level performance for 2026 industrial standards.
Featured models: 4WRPEH6C3B12L-20-G24K0-A1M and 4WRLE16V200M-30-G24K0-A1M.
Key Technical Advantages:
Servo-Level Dynamics: The 4WRPEH series features a high-response design with hysteresis controlled at $\le 0.1\%$, ensuring real-time reaction to minute command changes.
Integrated OBE Digital Electronics: On-board amplifiers simplify wiring and support standard A1 ($\pm 10\text{V}$) command signals with superior EMI resistance.
Dual-Stage Precision (4WRLE): The 4WRLE16 utilizes a two-stage architecture to manage rated flows up to 200 L/min while maintaining strict linearity.
Closed-Loop Spool Positioning: Internal high-precision LVDT sensors ensure spool positioning remains unaffected by pressure or oil viscosity fluctuations.
Rugged 2026 Industrial Design: Featuring high vibration resistance and IP65 protection, these valves are perfectly suited for high-intensity operations in digital factories.
Detailed Specifications & Parameters:
Featured Model Matrix:
4WRPEH6C3B12L-20-G24K0-A1M: Direct-operated, Size 6 (NG6), C3 spool function, 12 L/min rated flow.
4WRLE16V200M-30-G24K0-A1M: Pilot-operated, Size 16 (NG16), V-spool symmetry, 200 L/min rated flow.
Technical Specifications:
Max Operating Pressure: 315 bar (4WRPEH) / 350 bar (4WRLE).
Command Signal: $\pm 10\text{V}$ voltage signal.
Supply Voltage: 24V DC.
Response Time: Ultra-short step response (typically $< 10\text{ms}$).



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