Bosch Rexroth | 4WRTE25V350L-4X6EG24EK31A5M
4WRTE25V350L-4X/6EG24EK31/A5M
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The 4WRTE25V350L-4X/6EG24EK31/A5M valve is manufactured by Bosch Rexroth as part of the 4WRTE Directional Control Valves series and serves hydraulic automation by modulating flow to actuators in response to an electrical setpoint. Its NG 25 size defines the mounting interface and supports medium flow galleries, while a rated flow of 350 l/min governs continuous throughput. A linear flow characteristic keeps the relationship between spool travel and flow straightforward, and the spool defined by symbol V meters fluid symmetrically in both directions. An internal amplifier runs on a 24 V DC supply, accepts a ±10 V command input from the motion controller, and can draw up to 1.6 A during operation.
A ±10 V actual value output feeds back spool position for closed-loop control. The valve withstands operating pressures to 350 bar and can pass up to 870 l/min during short demand peaks. Pilot oil is supplied internally to simplify plumbing, while the return is routed externally through port Y to keep pilot leakage separate. Electrical connection is made through a DIN EN 175201-804 plug, and a 4 A time-lag external fuse protects the supply circuit. The housing carries an IP65 protection rating against dust and water jets, and the assembly weighs 16.8 kg, which influences manifold and bracket design.
Technical Specifications
Actual Value Output
±10 V (A5)
Command Input
±10 V (A5)
Electrical Connection
DIN EN 175201-804
External Fuse
4 A (time-lag)
Flow Characteristic
Linear
Max Operating Pressure
350 bar
Maximum Current
1.6 A
Maximum Flow
870 l/min
Pilot Oil Return
External (Y)
Pilot Oil Supply
Internal
Protection Class
IP65
Rated Flow
350 l/min
Size
NG 25
Spool Symbol
V
Supply Voltage
24 V DC
Weight
16.8 kg
1620 Old Apex Road
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