Bosch Rexroth | 4WRTE16E125L-4X6EG24ETK31A1V
4WRTE16E125L-4X/6EG24ETK31/A1V
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The 4WRTE16E125L-4X/6EG24ETK31/A1V valve is manufactured by Bosch Rexroth for the 4WRTE Directional Control Valves series. It regulates directional flow and pressure in hydraulic automation systems where proportional control is required. With a nominal size of 16, it fits NG16 mounting cavities and provides a recommended flow capacity of 460 l/min to handle large volume circuits. A maximum operating pressure of 350 bar allows the valve to work in high-pressure installations without derating. The internal supply and return pilot configuration eliminates external pilot lines, and a pilot stage rated for 315 bar ensures reliable spool actuation. Electrical control is provided by a 24 V DC coil that draws up to 1.6 A, resulting in a maximum power demand of 72 VA for the drive electronics.
The mounting face follows ISO 4401-07-07-0-05, allowing direct stacking on standardized manifolds without adapter plates. Electrical connection is made through a DIN EN 175201-804 plug, which simplifies wiring to machine harnesses and maintains signal integrity. An IP65 protection class shields the coil and electronics from dust ingress and low-pressure water jets during operation. The coil insulation tolerates temperatures up to 150 °C, supporting continuous duty at elevated fluid temperatures. A 100 percent relative duty cycle permits uninterrupted energizing without overheating, provided a 4 A time-lag fuse is installed in the supply line. FKM seals resist common hydraulic oils and maintain leakage control, while an overall weight of 11.2 kg permits straightforward handling during assembly.
Technical Specifications
Current Consumption (max)
1.6 A
Electrical Connector
DIN EN 175201-804
Maximum Coil Temperature
150 °C
Maximum Flow (recommended)
460 l/min
Maximum Operating Pressure (p/a/b)
350 bar
Maximum Power Consumption
72 VA
Nominal Size
16 (NG16)
Pilot Configuration
Internal supply/return (ET)
Pilot Supply Pressure (max)
315 bar
Porting Pattern
ISO 4401-07-07-0-05
Protection Class
IP65
Relative Duty Cycle
100%
Required Fuse
4 A (time-lag)
Seal Material
FKM
Supply Voltage (nominal)
24 V DC
Weight
11.2 kg
1620 Old Apex Road
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