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The 4WRKE25E350L-3X/6EG24K31/C1D3M is produced by Bosch Rexroth as part of the 4WRKE Directional Valves series and is intended to meter flow and control actuator movement in hydraulic automation. Its nominal size of 25 sets the mounting envelope for subplate installation, while the linear spool characteristic provides proportional flow control across the stroke. A nominal flow of 350 L/min defines the calibrated volume rate at the rated pressure, and the valve tolerates up to 350 bar on ports P, A, and B. Electrical power is supplied at 24 V DC, and command current is received through the C1 interface that accepts ±10 mA signals. A DIN EN 175201-804 plug-in connector simplifies wiring to the pilot solenoids, and the electrical section draws a maximum of 72 W during operation.
The main stage passes as much as 870 L/min to handle large flow demands, and an external pilot oil supply keeps the pilot stage independent from system pressure variations. Pilot oil is also drained externally so tank backpressure does not affect metering accuracy. The porting pattern follows ISO 4401-08-07-0-94 to support standard subplates, and an integrated ZDR 6 DP0-4X/40YM-W80 pressure reducing valve maintains a stable pilot pressure. NBR seals are used to contain mineral oil without swelling, and an IP65 rating protects the electrical housing against dust and water jets in industrial environments. The assembly weighs 16.8 kg, which determines handling and bracket requirements during installation.
Electrical Interface
C1 (±10 mA)
Ingress Protection
IP65
Max Main Valve Flow
870 L/min
Max Operating Pressure (p,a,b)
350 bar
Max Power
72 W
Nominal Flow
350 L/min
Nominal Size
25
Pilot Oil Drain
External
Pilot Oil Supply
External
Plug-in Connector
DIN EN 175201-804
Porting Pattern
ISO 4401-08-07-0-94
Pressure Reducing Valve
ZDR 6 DP0-4X/40YM-W80
Seals
NBR
Spool Characteristic
L (Linear)
Supply Voltage
24 VDC
Weight
16.8 kg
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