Bosch Rexroth | 4WRZE10W8-50-7X6EG24N9ETK31A1V
4WRZE10W8-50-7X/6EG24N9ETK31/A1V
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The 4WRZE10W8-50-7X/6EG24N9ETK31/A1V valve is part of the WRZ Proportional Directional Valves series from Bosch Rexroth and is applied to regulate flow and direction in hydraulic automation systems. The Size 10 mounting interface works with subplates cut to the ISO 4401-05-05-0-94 pattern, giving a standardized footprint for machinery builders. A nominal flow of 50 l/min at 10 bar Δp supports medium-capacity actuator circuits, while a maximum main valve pressure of 315 bar permits operation in high-pressure lines. Integrated electronics accept a ±10 V command signal to shift the spool proportionally, draw 1.8 A during normal duty, and are powered from a 24 V DC supply. Connection is made through a DIN EN 175201-804 plug, and a concealed manual override lets maintenance staff move the spool when power or signal is absent.
Environmental limits include an ambient temperature up to 50 °C and a hydraulic fluid temperature up to 80 °C, allowing service in heated production areas. FKM seals retain elasticity under these temperatures and resist common hydraulic oils, while pilot oil cleanliness must reach ISO 4406 18/16/13 to protect the precision metering edges. The internal drain circuit tolerates tank port pressures to 30 bar, preventing backpressure from affecting spool positioning. An IP65 housing guards the electronics against dust ingress and water jets, and the subplate-mounted assembly weighs 8.0 kg, which influences lifting and bracket design during installation.
Technical Specifications
Ambient Temperature (max)
+50 °C
Command Input Signal
±10 V
Electrical Connection
DIN EN 175201-804
Electronics Current Consumption
1.8 A
Fluid Cleanliness (pilot)
ISO 4406 18/16/13
Hydraulic Fluid Temp (max)
+80 °C
Manual Override Type
Concealed
Max Main Valve Pressure
315 bar
Max Tank Port Pressure (internal Drain)
30 bar
Nominal Flow (10 Bar Δp)
50 l/min
Porting Pattern
ISO 4401-05-05-0-94
Seal Material
FKM
Size
10
Supply Voltage
24 V DC
Type Of Protection
IP65
Weight (subplate Mounting)
8.0 kg
1620 Old Apex Road
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