Bosch Rexroth | 4WRKE25E1-350L-3X6EG24K31A5D3M
4WRKE25E1-350L-3X/6EG24K31/A5D3M
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The 4WRKE25E1-350L-3X/6EG24K31/A5D3M directional valve belongs to the 4WRKE Directional Valves series from Bosch Rexroth and is used to regulate flow and direction in hydraulic automation circuits. It is built to nominal size 25 so it fits standardized manifolds of that capacity. The mounting pattern conforms to ISO 4401-08-07-0-94, enabling direct installation onto a subplate without custom drilling. The valve tolerates a maximum operating pressure of 350 bar at ports P, A, and B, which permits operation in high-pressure systems, while port T accepts return pressures up to 250 bar to suit back-pressure conditions. A main stage flow capacity of 1600 L/min supports large actuators, and a nominal flow of 350 L/min at a 10 bar differential aids predictable throttling. Pilot actuation draws 11.7 L/min at 315 bar, allowing quick spool movement under load.
The pilot solenoid requires a 24 V DC supply, and current up to 1.5 A defines the electrical demand for control electronics. The coil’s power consumption reaches 72 W at full duty, which determines thermal design around the valve. A ±10 V command and feedback signal provides compatibility with common analog controllers for closed-loop positioning. Connection is made through a DIN EN 175201-804 plug so wiring remains consistent with industrial harnesses. An IP65 enclosure rating prevents dust ingress and protects against low-pressure water jets in wash-down areas. Hydraulic hysteresis is held within 1 percent, granting repeatable spool positioning, and response sensitivity of 0.5 percent or better enables fine adjustment of flow. The assembly weighs 16.8 kg, a factor to consider when selecting mounting hardware.
Technical Specifications
Command/actual Signal
±10 V
Electrical Connection
DIN EN 175201-804
Enclosure Protection
IP65
Hysteresis
≤ 1%
Max Main Valve Flow
1600 L/min
Max Operating Pressure (p,a,b)
350 bar
Max Return Pressure (port T)
250 bar
Mounting Pattern
ISO 4401-08-07-0-94
Nominal Flow (Δp=10 Bar)
350 L/min
Nominal Size
25
Pilot Oil Flow (step, 315 Bar)
11.7 L/min
Power (max)
72 W
Response Sensitivity
≤ 0.5%
Supply Current (max)
1.5 A
Supply Voltage
24 V DC
Weight
16.8 kg
1620 Old Apex Road
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