Bosch Rexroth | 4WRTE16V125L-4X6EG24K31A5M
4WRTE16V125L-4X/6EG24K31/A5M
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The 4WRTE16V125L-4X/6EG24K31/A5M valve belongs to the 4WRTE Directional Control Valves series from Bosch Rexroth. It is built for hydraulic automation on nominal size 16 (NG16) manifolds where precise metering is necessary. A linear flow characteristic maintains predictable pressure-flow behavior, and the V spool symbol defines the port connections. Pilot control is achieved with a 6E proportional solenoid so the main stage follows an electrical command. That command enters through an A5 interface that accepts ±10 V and uses pin C for the enable signal, while 24 V DC supplies operating power. A K31 plug conforming to DIN EN 175201-804 serves as the electrical connection. Continuous duty at 100 percent relative load is supported, and an IP65 enclosure resists dust and water jets. The complete assembly weighs 11.2 kg.
The work ports tolerate 350 bar, enabling control of high-pressure actuators, and a recommended flow limit of 460 l/min keeps system losses low. Pilot oil is drawn internally and returned externally, designated as version E, with the pilot stage able to pass 14 l/min between 0 and 100 percent command at 315 bar. The external pilot return line can contain up to 250 bar, so downstream components must match this rating. Inductive spool position monitoring through an M12 PNP sensor delivers real-time feedback to control systems, supporting closed-loop accuracy. These capabilities combine to provide reliable, proportional directional control in demanding hydraulic circuits that operate around the clock.
Technical Specifications
Electrical Connection
K31 (DIN EN 175201-804)
Electronics Interface
A5 (±10 V, enable at pin C)
External Pilot Return Max Pressure
250 bar
Flow Characteristic
Linear (L)
Max Operating Pressure (p/a/b)
350 bar
Maximum Flow (recommended)
460 l/min
Nominal Size
16 (NG16)
Pilot Control Valve
6E (proportional solenoid)
Pilot Oil Flow 0–100% @315 Bar
14 l/min
Pilot Oil Version
E (internal supply, external return)
Protection Class
IP65
Relative Duty Cycle
100%
Spool Position Monitoring
Inductive (M12, PNP)
Spool Symbol
V
Supply Voltage
24 V DC
Weight
11.2 kg
1620 Old Apex Road
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