Bosch Rexroth | 4WRTE25V350P-4X6EG24EK31A1M
4WRTE25V350P-4X/6EG24EK31/A1M
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The 4WRTE25V350P-4X/6EG24EK31/A1M proportional directional control valve is produced by Bosch Rexroth for the 4WRTE Directional Control Valves series. It meters hydraulic flow and direction in closed-loop motion systems where precise actuator control is required. The size 25 body supports high capacity circuits, and the spool symbol V defines its overlap for predictable switching. A linear flow characteristic coded P enables fine modulation from low commands up to a rated flow of 350 l/min at a 5 bar control edge. When fully stroked the channel can pass 870 l/min, giving reserve for transient peaks. Ports P, A, and B withstand operating pressures to 350 bar, while pilot stage option E uses internal supply with external return to simplify piping. Pilot oil demand remains limited to 20 l/min at 315 bar so auxiliary pump capacity stays modest.
Electrical operation is based on a 24 V DC supply; the A1 interface accepts a ±10 V command, and the solenoid draws up to 1.6 A. Wiring is completed through a DIN EN 175201-804 K31 connector, and the housing carries an IP65 rating to block dust and water jets. Fluid cleanliness must reach ISO 4406 18/16/13 to keep the spool running smoothly. Return flow pressure at port T can be as high as 250 bar without overstressing the valve, thanks in part to NBR seals that tolerate common hydraulic oils. These attributes make the unit appropriate for high-response industrial and mobile drives that require accurate directional and flow control.
Technical Specifications
Cleanliness Class
ISO 4406 18/16/13
Control Interface
A1 (+/-10 V)
Current Consumption (max)
1.6 A
Electrical Connector
DIN EN 175201-804 (K31)
Flow Characteristic
P (Linear With Fine Control)
Max Operating Pressure (p, A, B)
350 bar
Max Return Flow Pressure Port T (external)
250 bar
Maximum Flow (recommended)
870 l/min
Nominal Supply Voltage
24 V DC
Pilot Oil Configuration
E (Internal Supply, External Return)
Pilot Oil Flow (315 Bar)
20 l/min
Protection Class
IP65
Rated Flow (5 Bar/control Edge)
350 l/min
Seal Material
NBR (M)
Size
25
Spool Symbol
V
1620 Old Apex Road
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