Rexroth R900325445 controller



  • Product Code: R900325445
  • Availability: In Stock


Rexroth R900325445 - Intermediate Documentation
Revision: 1.0 | Date: January 09, 2026
1. Product Overview
The Rexroth R900325445 is a high-precision 4/3 way directional control valve belonging to the 4WRE series, designed for industrial hydraulic systems. It features proportional electro-hydraulic control, providing precise flow and pressure regulation for mobile and stationary hydraulic applications.
Key advantages include excellent repeatability, low hysteresis, and robust construction suitable for harsh industrial environments, compliant with ISO 4401 and DIN 24340 standards.
2. Technical Specifications
Nominal Flow Rate
100 l/min (at Δp=10 bar)
Operating Pressure
Max 315 bar (P/T ports), 210 bar (A/B ports)
Electrical Signal
0-10 V DC / 4-20 mA (proportional input)
Operating Temperature
-20°C to +80°C (fluid temperature)
3. Basic Operation Instructions
• Step 1: Ensure hydraulic fluid cleanliness meets ISO 4406 Class 18/15 before system commissioning.
• Step 2: Connect electrical signal (0-10V/4-20mA) to the solenoid connector following pinout diagram (refer to full manual).
• Step 3: Calibrate the valve using Rexroth calibration software to ensure linear response and zero offset adjustment.
• Step 4: Monitor valve performance via pressure/temperature sensors and check for fluid leaks periodically.
This intermediate documentation is for reference only. For complete installation, operation and maintenance instructions, refer to the official Bosch Rexroth R900325445 product manual. Bosch Rexroth AG shall not be liable for any errors or omissions in this document.

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