4WRZ32W8-520-70/6EG24N9TK4/D3M 4WRZ32W8-520-70/6EG24N9ETK4/M 4WRZ32W8-520-70/6EG24N9K4/M German made proportional electro-hydraulic directional valve genuine from Rexroth

4WRZ32W8-520-70/6EG24N9TK4/D3M
4WRZ32W8-520-70/6EG24N9ETK4/M
4WRZ32W8-520-70/6EG24N9K4/M German made proportional electro-hydraulic directional valve genuine from Rexroth

FAQ:

1. How to verify proper spool centering after installation?
De-energize both solenoids; the main spool should return to the central position via centering springs, with no flow between P→A/B or A/B→T .

2. What torque should be used for terminal box screws?
Follow the manufacturer’s guidelines; terminal box screws are typically M4 hexagon socket head cap screws (included in seal kits) .

3. Can 4WRZ valves be installed in high-humidity environments?
Yes, they comply with DIN EN 60068-2-30 (damp heat: 25-55 °C, 90-97% RH, 2 cycles of 24 hours) .

4. How to install the manual override correctly?
Ensure the override is in the "neutral" position during installation; secure it per the valve’s assembly instructions to prevent accidental activation .

5. What is the recommended fluid cleanliness class for installation?
ISO 4406 Class 18/15 or higher to prevent spool jamming and seal wear .

6. How to align the valve with the subplate?
Use alignment pins to ensure proper port alignment; tighten mounting bolts evenly to avoid distortion .

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