Bosch Rexroth | 4WRTE25E350L-4X6EG24EK31A1M
4WRTE25E350L-4X/6EG24EK31/A1M
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The 4WRTE25E350L-4X/6EG24EK31/A1M directional control valve belongs to the 4WRTE Directional Control Valves series from Bosch Rexroth and regulates hydraulic flow in automated machinery. It is supplied in size 25, a dimension that defines the port area for large volume circuits. A rated flow of 350 L/min supports fast actuator movement, while the linear flow characteristic keeps the relationship between spool stroke and flow predictable. The unit tolerates operating pressures up to 350 bar so it fits high-pressure systems. Mounting follows the ISO 4401-08-08-0-05 porting pattern, simplifying subplate selection. Pilot oil is taken internally, identified by code E, and is returned externally through port Y to reduce backpressure. Control of the main stage is handled by a 6E pilot valve that supplies precise metering oil to shift the spool.
The electronic section accepts a ±10 V command signal and presents an input resistance of 100 kΩ, minimizing load on the control amplifier. Powered from a 24 V DC supply, the valve draws up to 1.6 A during peak operation. Electrical connection is through a DIN EN 175201-804 plug type K31 for quick installation and service. The enclosure carries an IP65 protection class, sealing the internals against dust and low-pressure water jets. NBR seals are used to maintain compatibility with common hydraulic fluids. A weight of 16.8 kg must be supported by the mounting structure, ensuring stable alignment under vibration.
Technical Specifications
Command Value Range
±10 V
Current Consumption (max)
1.6 A
Electrical Connection
DIN EN 175201-804 (K31)
Flow Characteristic
Linear (L)
Input Resistance
100 kΩ
Max Operating Pressure
350 bar
Pilot Control Valve
6E
Pilot Oil Return
External (Port Y)
Pilot Oil Supply
Internal (E)
Porting Pattern
ISO 4401-08-08-0-05
Protection Class
IP65
Rated Flow
350 L/min
Seal Material
NBR
Size
25
Supply Voltage
24 V DC
Weight
16.8 kg
1620 Old Apex Road
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