4WRZ32W8-360-70/6EG24N9TK4/D3M
4WRZ32W8-360-70/6EG24N9ETK4/M
4WRZ32W8-360-70/6EG24N9K4/M Original genuine proportional German made Rexroth hydraulic electro-hydraulic proportional directional valve

FAQ:

1. What checks are required after commissioning?
Verify flow direction, proportional response to input signals, spool position indicator functionality (if equipped), and absence of leaks .

2. How to set up external pilot oil return?
Connect port Y to the tank for external pilot oil return; ensure return line pressure does not exceed 30 bar .

3. Can 4WRZ valves be mounted in a vertical orientation?
Yes, but horizontal mounting is preferred to minimize wear and ensure consistent performance .

4. What is the correct order to connect hydraulic lines?
Connect pressure port (P) first, then return port (T), followed by working ports (A/B); bleed air from lines before energizing the valve .

5. How to test the spool position indicator?
Apply a gradual electrical input signal; the indicator should switch outputs when preset spool positions are exceeded (within the overlap range) .

6. What tools are required for 4WRZ installation?
Torque wrench (for mounting bolts), cable crimping tools (for electrical connections), and alignment pins (for subplate mounting) .

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