Bosch Rexroth | 4WRTE25V1-220L-4X6EG24K31A1M
4WRTE25V1-220L-4X/6EG24K31/A1M
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The 4WRTE25V1-220L-4X/6EG24K31/A1M directional control valve is produced by Bosch Rexroth within the 4WRTE Directional Control Valves series. It meters hydraulic flow in closed-loop automation circuits. Sized for NG25 mounting, it handles a rated flow of 220 l/min to accommodate high-throughput lines. The valve withstands operating pressures up to 350 bar, enabling use in high-pressure systems. A nominal supply voltage of 24 VDC powers the integrated electronics. The interface accepts a command signal of ±10 V for proportional spool positioning. Current draw is limited to 1.6 A to suit standard machine power supplies. The housing achieves IP65 protection, so internal components remain sealed against dust and water jets.
An actual value output of ±10 V provides feedback for closed-loop controllers. Return flow is rated to 250 bar, allowing safe back pressure at the tank line. Both pilot oil supply and return are external, which offloads control fluid from the main lines. The spool exhibits a linear flow characteristic, giving proportional response across the stroke. Electrical connection is through a DIN EN 175201-804 plug coded K31 for quick field wiring. NBR seals resist mineral oils and maintain leakage control over long service periods. The valve weighs 16.8 kg, so mounting structures must support that load. Spool symbol V1 identifies the internal metering geometry used in this model.
Technical Specifications
Actual Value Output
±10 V
Command Signal (voltage)
±10 V
Electrical Connection
DIN EN 175201-804 (K31)
Flow Characteristic
Linear
Max Current Consumption
1.6 A
Maximum Operating Pressure
350 bar
Maximum Return Flow Pressure
250 bar
Pilot Oil Return
External
Pilot Oil Supply
External
Protection Class
IP65
Rated Flow
220 l/min
Seal Material
NBR
Size
NG25
Spool Symbol
V1
Supply Voltage (nominal)
24 VDC
Weight
16.8 kg
1620 Old Apex Road
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