4WRZ16E3-180-7X/6EG24N9EK4/M 4WRZ16E3-180-7X/6EG24N9K4/D3M 4WRZ16E3-180-7X/6EG24N9K4/M Electro Hydraulic Valve
Price:
negotiation
MOQ:
negotiation
Delivery Time:
negotiation
Brand:
Rexroth
Product Description
4WRZ16E3-180-7X/6EG24N9EK4/M 4WRZ16E3-180-7X/6EG24N9K4/D3M 4WRZ16E3-180-7X/6EG24N9K4/M Rexroth Germany hydraulic proportional electromagnetic electro-hydraulic valve imported
| Parameter Item | Details |
|---|---|
| Product Name | Pressure Relief Valves |
| Brand Name | Rexroth |
| Dimension (L*W*H) | 20*10*20 (Unit not specified, recommended to add mm/cm) |
| Weight | 1.5 (Unit not specified, recommended to add kg) |
| Warranty | 1.5 Year |
| Maximum Flow Rate | 60 L/min |
| Maximum Pressure | 315 bar |
| Pressure | System Pressure / 315 bar |
| Power (W) | 0.5 W |
| Structure | Inside |
| Showroom Location | None |
| Certification | 3CE (Note: Standard certification is CE; confirm if it's a typo) |
| MOQ | 1 Pc |
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FAQ: Fault Diagnosis & Resolution
1.1 Actuator fails to move when valve is energized
Troubleshoot in the following priority order:
- Electrical System Check: Measure supply voltage at the valve connector (should be 21.6-26.4V DC)
- Test solenoid resistance with a multimeter (normal range: 25-45 Ω). A reading of 0 Ω (short circuit) or ∞ Ω (open circuit) indicates a failed solenoid.
- Inspect for loose wiring, damaged insulation, or corroded terminals.
- Hydraulic System Check: Verify P port pressure (should match system supply pressure, typically 100-315 bar)
- Check if isolation valves are fully open and pipelines are unobstructed
- Inspect for airlocks in the system (bleed air from actuator and valve)
- Valve Internal Check: Disassemble to check for spool sticking (caused by contamination or bent spool)
- Inspect pressure compensator for stuck valve or broken spring
- Check for swollen seals blocking oil passages (caused by incompatible fluid)
1.2 Actuator movement is unstable or erratic
Common causes and corresponding solutions:
| Cause | Solution |
|---|---|
| Electromagnetic Interference (EMI) affecting control signal | Install EMI filters on power supply; route signal cables separately from power cables; ensure proper grounding |
| Hydraulic oil contamination or low oil level | Replace oil and filters; top up oil to recommended level; flush system if necessary |
| Pressure compensator malfunction | Disassemble and clean compensator; replace worn spring or seals |
| Internal or external oil leaks | Replace damaged seals; tighten loose fittings; repair or replace leaking components |
| Unstable control signal from PLC/DCS | Test signal with an oscilloscope; check controller settings; replace faulty signal cable |
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Company
Xiamen Lang Ye Hydraulic Electromechanical Equipment Co., Ltd
Location
Xia'Men City, China
Contact Person
zixin