Bosch Rexroth | 4WRZE10E1-85-7X6EG24N9EK31A1D3V
4WRZE10E1-85-7X/6EG24N9EK31/A1D3V
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The 4WRZE10E1-85-7X/6EG24N9EK31/A1D3V proportional directional valve belongs to the WRZ Proportional Directional Valves series from Bosch Rexroth and modulates hydraulic flow and direction in automated machinery. Its nominal size 10 interface sets the port dimensions for medium-capacity manifolds, and a nominal flow of 85 l/min at a 10 bar pressure drop supports standard actuator speeds. The valve withstands operating pressures up to 315 bar for high-pressure circuits. A differential command signal of ±10 V drives the spool proportionally through the integrated electronics, which are powered from a 24 V DC supply for compatibility with common control cabinets. Connection is made via a DIN EN 175201-804 plug, and a concealed manual override permits emergency or setup actuation without energizing the solenoid. Installation follows the ISO 4401-05-05-0-94 mounting pattern, allowing direct replacement on standard subplates.
Pilot oil is fed internally, while an external pilot drain routes return oil to tank to avoid back-pressure on the control stage. The pilot valve is size 6, providing the dynamic response needed to position the main spool accurately. Port Y tolerates up to 30 bar to protect the pilot circuit, and a built-in pressure reducing valve designated ZDR 6 DP0-4X/40YM-W80 stabilizes pilot pressure under varying load conditions. When the mating connector is fitted, the housing achieves IP65 protection, guarding against dust ingress and water spray. FKM seals permit use with high-temperature hydraulic fluids and aggressive additives. The complete assembly weighs 8.0 kg, offering sufficient rigidity while remaining manageable during installation and service.
Technical Specifications
Command Signal (voltage)
±10 V
Electrical Connection
DIN EN 175201-804
Manual Override
Concealed
Max Operating Pressure
315 bar
Mounting Pattern
ISO 4401-05-05-0-94
Nominal Flow (Δp = 10 Bar)
85 l/min
Nominal Size
10
Pilot Oil Drain
External
Pilot Oil Supply
Internal
Pilot Valve Size
6
Port Y Max Pressure
30 bar
Pressure Reducing Valve
ZDR 6 DP0-4X/40YM-W80
Protection Class
IP65
Seals
FKM
Supply Voltage
24 V DC
Weight
8.0 kg
1620 Old Apex Road
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