Bosch Rexroth | 4WRZ10E1-85-7X6EG24N9ETK4D3V
4WRZ10E1-85-7X/6EG24N9ETK4/D3V
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The 4WRZ10E1-85-7X/6EG24N9ETK4/D3V proportional directional valve belongs to the WRZ Proportional Directional Valves series from Bosch Rexroth and modulates hydraulic flow for automated machinery. It draws power from a 24 V DC supply, and a maximum coil current of 1.5 A enables the electromagnet to shift the spool under full system load. A nominal flow rate of 85 l/min at a 10 bar pressure drop suits medium-capacity actuators, while the main stage withstands up to 315 bar to match high-pressure circuits. Pilot control is limited to 25 bar, protecting the pilot components without restricting the main line. Internal pilot oil supply and internal pilot oil drain remove the need for external hoses, reducing potential leak points. A 15 percent command value overlap establishes a controlled deadband around center to stabilize low-flow operation. The subplate interface follows ISO 4401-05-05-0-94, so the valve fits standard CETOP 5 manifolds without adapter blocks.
A 3DREP 6 proportional pilot valve generates the pressure signal that positions the main spool, and a ZDR 6 DP0-4X/40YM-W80 pressure reducing valve keeps that pilot pressure constant against load changes. The concealed manual override lets maintenance staff actuate the valve by hand during setup while avoiding exposed hardware in service. Electrical connection is made through a DIN EN 175301-803 plug, allowing quick cable replacement in the field. An IP65 protection class shields the housing from dust and low-pressure water jets common in industrial wash-down environments. FKM seals tolerate a wide range of hydraulic fluids and elevated temperatures, extending seal life in continuous duty. The assembly weighs 7.8 kg, so support structures and manifold plates must be sized to carry this mass without distortion.
Technical Specifications
Command Value Overlap
15%
Electrical Connection
DIN EN 175301-803 Plug
Manual Override
Concealed
Max Coil Current
1.5 A
Max Operating Pressure (main Valve)
315 bar
Max Pilot Pressure (main Valve)
25 bar
Nominal Flow (10 Bar Δp)
85 l/min
Pilot Oil Drain
Internal
Pilot Oil Supply
Internal
Pilot Valve Type
3DREP 6
Porting Pattern
ISO 4401-05-05-0-94
Pressure Reducing Valve
ZDR 6 DP0-4X/40YM-W80
Protection Class
IP65
Seals
FKM
Supply Voltage
24 V DC
Weight
7.8 kg
1620 Old Apex Road
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