4WREE10EA50-2X/G24K31/A1V
4WREE10E25-2X/G24K31/F1V
4WREE10E75-2X/G24K31/F1V German made Rexroth hydraulic directional proportional solenoid valve

FAQ:

1. Q: What happens if the electrical signal is lost?
A: The spool returns to its neutral position via internal springs, ensuring safe system shutdown or holding position (depending on the neutral configuration).

2. Q: Is the 4WRZ10 compatible with proportional amplifier cards?
A: Yes, it works with Rexroth’s VT series amplifiers (e.g., VT-VSPA1-1-1X) or third-party amplifiers supporting 4-20 mA/0-10 V signals.

3. Q: How to adjust the dead band of the 4WRZ10?
A: Use the amplifier’s dead band adjustment feature or the valve’s built-in trimmer (if available) to minimize dead band for smoother control.

4. Q: Can the 4WRZ10 be used in a load-sensitive hydraulic system?
A: Yes, when paired with a load-sensitive pump, it optimizes energy efficiency by matching flow to the load demand.

Maintenance & Troubleshooting

5. Q: What is the recommended maintenance interval for the 4WRZ10?
A: Perform routine inspection every 6 months or 2000 operating hours; full maintenance (disassembly, cleaning) is recommended every 2-3 years or as per system conditions.

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