Bosch Rexroth | 4WRTE16V1-125L-4X6EG24K31A1M
4WRTE16V1-125L-4X/6EG24K31/A1M
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The 4WRTE16V1-125L-4X/6EG24K31/A1M valve belongs to the 4WRTE Directional Control Valves series from Bosch Rexroth and meters hydraulic flow in automated machinery. It is supplied in nominal size NG16 to match medium-capacity manifolds, and it mounts on an ISO 4401-07-07-0-05 interface for direct stack installation. Electronic control accepts a ±10 V command signal for proportional spool movement, while the internal amplifier operates from 18 to 35 V DC with 24 V DC as the nominal level. Current consumption is limited to 1.6 A to minimize power loss. Connection is made through a DIN EN 175201-804 plug, and an IP65 housing protects the electronics from dust and water jets. Integrated spool position monitoring reports actual displacement to the machine controller for closed-loop accuracy.
The valve draws pilot oil internally but routes the return externally, keeping the control stage stable regardless of main circuit pressure. The external return line withstands up to 250 bar, and the work ports handle 350 bar so the unit can drive high-force actuators. Coil insulation endures temperatures to 150 °C, preventing thermal degradation during continuous duty. The assembly weighs 11.2 kg, providing rigidity against vibration when block-mounted. These pressure, temperature, and mechanical limits allow the 4WRTE valve to deliver reliable directional and flow control in demanding hydraulic automation cycles.
Technical Specifications
Command Input Range
±10 V
Electrical Connector
DIN EN 175201-804
External Pilot Return Pressure Max
250 bar
Max Current Consumption
1.6 A
Max Operating Pressure (p, A, B)
350 bar
Maximum Coil Temperature
150 °C
Mounting Interface
ISO 4401-07-07-0-05
Nominal Size
NG16
Pilot Oil Return
External
Pilot Oil Supply
Internal
Protection Class
IP65
Spool Position Monitoring
Yes
Supply Voltage (max)
35 V DC
Supply Voltage (min)
18 V DC
Supply Voltage (nominal)
24 V DC
Weight
11.2 kg
1620 Old Apex Road
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