Bosch Rexroth | 4WRTE16V1-125L-4X6EG24ETK31A1M
4WRTE16V1-125L-4X/6EG24ETK31/A1M
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The 4WRTE16V1-125L-4X/6EG24ETK31/A1M valve belongs to the 4WRTE Directional Control Valves series manufactured by Bosch Rexroth. It directs hydraulic flow for automated actuators in industrial machinery. Its nominal size NG 16 establishes port dimensions suited to medium flow rates, while a maximum operating pressure of 350 bar allows use in high-pressure circuits. The pilot stage can accept up to 315 bar, keeping control stability under demanding loads, and internal pilot oil supply and return eliminate external pilot plumbing. A nominal supply of 24 V DC simplifies connection to common control cabinets, and peak power draw of 72 VA defines transformer and wiring requirements.
Peak current demand of 1.6 A helps determine circuit protection and cable sizing. The ±10 V command and actual interface enables analog control and feedback for closed-loop positioning, and residual ripple limited to 2.5 Vpp keeps the control signal within noise tolerances. Response sensitivity of 0.05 % lets small command changes adjust flow, while hysteresis below 0.1 % reduces deadband when reversing flow direction. Integrated spool position monitoring supplies real-time status to the machine controller. Ambient air up to 50 °C and fluid up to 80 °C define the thermal limits, and IP65 sealing prevents dust and water jets from reaching the electronics. The assembly weighs 11.2 kg, so mounting plates must support that static load.
Technical Specifications
Ambient Temperature (max)
50 °C
Command/actual Interface
±10 V (A1)
Current Consumption (max)
1.6 A
Hydraulic Fluid Temp (max)
80 °C
Hysteresis (max)
0.1%
Nominal Size
NG 16
Operating Pressure (p, A, B Max)
350 bar
Pilot Oil Supply Pressure (max)
315 bar
Pilot Oil Supply/return
Internal/Internal
Power Consumption (max)
72 VA
Protection Class
IP65
Residual Ripple (max)
2.5 Vpp
Response Sensitivity (max)
0.05%
Spool Position Monitoring
Yes
Supply Voltage (nominal)
24 V DC
Weight
11.2 kg
1620 Old Apex Road
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