4WRZ10E85-70/6EG24N9K4/D3M 4WRZ10E3-50-70/6EG24N9K4/M 4WRZ10E50-70/6EG24N9TK4/D3M Proportional solenoid valve German Rexroth original imported hydraulic valve

4WRZ10E85-70/6EG24N9K4/D3M
4WRZ10E3-50-70/6EG24N9K4/M
4WRZ10E50-70/6EG24N9TK4/D3M Proportional solenoid valve German Rexroth original imported hydraulic valve

FAQ:

1. Q: What are the common causes of Rexroth electro-hydraulic valve malfunctions?
A: Hydraulic fluid contamination, electrical signal issues, worn seals, incorrect wiring, pressure spikes, or inadequate lubrication.

2. Q: How to troubleshoot a Rexroth electro-hydraulic valve that fails to actuate?
A: Check power supply/wiring, verify input signal (use a multimeter), inspect for fluid contamination/clogs, and test for stuck spools or damaged solenoids.

3. Q: Are Rexroth electro-hydraulic valves compatible with biodegradable hydraulic fluids?
A: Yes—most models work with biodegradable oils (e.g., vegetable-based, synthetic esters); confirm compatibility with the fluid manufacturer and Rexroth’s guidelines.

4. Q: What is the response time of Rexroth electro-hydraulic valves?
A: Proportional valves: 10-50 ms; servo valves: <5 ms (for high-precision applications); response time depends on valve size and control type.

5. Q: How to calibrate a Rexroth electro-hydraulic valve for precise control?
A: Use a calibration tool to align the input signal (4-20mA/0-10V) with desired flow/pressure output; follow Rexroth’s calibration procedure in the user manual.

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