Bosch Rexroth | 4WRZ10W6-50-7X6EG24N9ETK4D3V
4WRZ10W6-50-7X/6EG24N9ETK4/D3V
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The 4WRZ10W6-50-7X/6EG24N9ETK4/D3V proportional directional valve belongs to the WRZ Proportional Directional Valves series and is manufactured by Bosch Rexroth for closed-loop hydraulic automation. It is built in valve size 10, giving port dimensions suited to mid-frame manifolds, and delivers a nominal flow of 50 l/min at a pressure drop of 10 bar to meter actuator speed accurately. A main pressure rating of 315 bar lets the unit operate in high-pressure circuits without external relief devices. The ISO 4401-05-05-0-94 mounting pattern matches standard subplates for quick replacement. Electrical actuation is based on a 24 V DC supply, with a maximum current demand of 1.5 A that fits common proportional amplifiers. The solenoid winding shows 4.8 Ω resistance at 20 °C, and a 100 percent duty cycle allows the coil to remain energized continuously during long production cycles.
Connection to the control cable is made through a DIN EN 175301-803 plug, while an IP65 enclosure rating protects the coil against dust and water spray in industrial settings. The winding is designed for a maximum coil temperature of 150 °C, safeguarding insulation during sustained throttling. With a mass of 7.8 kg on a size 10 subplate, the assembly can be handled by a single technician during maintenance. The pilot stage uses a size 6 valve, and both the pilot oil supply and the pilot oil drain are routed internally, eliminating separate lines and simplifying installation. A pressure reducing valve designated ZDR 6 DP0-4X/40YM-W80 is integrated to keep pilot pressure constant, ensuring repeatable spool positioning even under fluctuating system loads.
Technical Specifications
Coil Resistance (20 °c)
4.8 Ω
Duty Cycle
100%
Electrical Connection
DIN EN 175301-803
Ingress Protection
IP65
Max Coil Temperature
150 °C
Max Current
1.5 A
Max Operating Pressure (main)
315 bar
Mounting Pattern
ISO 4401-05-05-0-94
Nominal Flow (Δp=10 Bar)
50 l/min
Pilot Oil Drain
Internal
Pilot Oil Supply
Internal
Pilot Valve Size
6
Pressure Reducing Valve
ZDR 6 DP0-4X/40YM-W80
Supply Voltage
24 V DC
Valve Size
10
Weight (subplate, Size 10)
7.8 kg
1620 Old Apex Road
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