Bosch Rexroth | 4WRKE10E50L-3X6EG24K31A5D3M
4WRKE10E50L-3X/6EG24K31/A5D3M
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The 4WRKE10E50L-3X/6EG24K31/A5D3M valve is produced by Bosch Rexroth in the 4WRKE Directional Valves series. It controls flow direction and magnitude in hydraulic automation circuits through an electrically actuated spool. Nominal size 10 establishes the ISO cavity and indicates the mechanical envelope for manifold mounting. A nominal flow rating of 50 L/min provides the reference volume the valve meters at its standard operating point, while a maximum main stage flow of 170 L/min allows short-term peaks without cavitation. The linear spool characteristic produces a proportional change in flow when the control signal varies. Electronics operate on 24 V DC, with a maximum coil current of 1.5 A and an electrical power draw limited to 72 W, allowing direct connection to common drive cards. An overall weight of 8.7 kg must be considered when selecting support brackets and service handling tools.
The valve withstands a continuous operating pressure of 315 bar on ports P, A, and B, enabling use in high-pressure work circuits. When an external drain is used, port T may also be pressurized to 315 bar, whereas the separate drain port Y should not exceed 10 bar static pressure to protect the pilot stage. Pilot oil is taken internally from the main supply, eliminating an extra feed line, and returns externally so contamination in the tank is minimized. The pilot stage consumes 4.1 L/min at 315 bar during a full step, information necessary for pump sizing. Mineral oil types HL and HLP defined in DIN 51524 are the approved pressure fluids, ensuring seal compatibility and consistent viscosity. A housing protection level of IP65 guards the electronics and connectors against dust ingress and low-pressure water jets encountered in machine environments.
Technical Specifications
Main Valve Flow (max)
170 L/min
Max Current
1.5 A
Max Operating Pressure (p,a,b)
315 bar
Max Power
72 W
Nominal Flow
50 L/min
Nominal Size
10
Pilot Oil Drain
External
Pilot Oil Flow (step, 315 Bar)
4.1 L/min
Pilot Oil Supply
Internal
Port T Max Pressure (external Drain)
315 bar
Port Y Static Pressure
10 bar
Pressure Fluid
Mineral Oil (HL, HLP) DIN 51524
Spool Characteristic
Linear
Supply Voltage
24 V DC
Valve Protection
IP65
Weight
8.7 kg
1620 Old Apex Road
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