Bosch Rexroth | 4WRZ10W6-85-7X6EG24N9ETK4D3M-674
4WRZ10W6-85-7X/6EG24N9ETK4/D3M-674
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The 4WRZ10W6-85-7X/6EG24N9ETK4/D3M-674 proportional directional valve is produced by Bosch Rexroth as part of the WRZ Proportional Directional Valves series and serves to meter flow in hydraulic automation systems. It is built in nominal size 10 to fit NG10 manifolds, and the solenoid is powered by 24 V DC. A cold coil resistance of 4.8 Ω at 20 °C manages inrush current, while a maximum coil current of 1.5 A drives the spool through its full range. Continuous energization is possible because the device is rated for a 100 percent duty cycle. Wiring is completed with a DIN EN 175301-803 plug, and service personnel can shift the spool using a concealed N9 manual override. The enclosure carries an IP65 protection rating against dust and low-pressure water, and the assembled unit weighs 7.8 kg, giving it the rigidity needed for fixed or mobile installations.
The valve passes 85 l/min at a 10 bar differential, providing consistent flow for mid-capacity hydraulic circuits, and it withstands operating pressures up to 315 bar. Internal pilot oil supply and internal pilot oil drain remove the need for external pilot lines, while the T port tolerates return pressures up to 30 bar to accommodate back-pressure conditions. Pilot pressure stability comes from an integrated pressure reducing valve marked ZDR 6 DP0-4X/40YM-W80, and spool accuracy is supported by hysteresis limited to 6 percent or less. These hydraulic characteristics combine to deliver proportional control that maintains smooth actuator movement throughout demanding automation cycles.
Technical Specifications
Coil Resistance (cold, 20 °c)
4.8 Ω
Duty Cycle
100%
Electrical Connection
Plug DIN EN 175301-803
Hysteresis
≤ 6%
Manual Override
Concealed (N9)
Max Current
1.5 A
Max Operating Pressure
315 bar
Nominal Flow @ 10 Bar Δp
85 l/min
Nominal Size
10
Pilot Oil Drain
Internal
Pilot Oil Supply
Internal
Pressure Reducing Valve
ZDR 6 DP0-4X/40YM-W80
Return Pressure At T (internal)
30 bar max
Supply Voltage
24 V DC
Type Of Protection
IP65
Weight
7.8 kg
1620 Old Apex Road
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