Bosch Rexroth | 4WRKE32E600L-3X6EG24K31A5D3M
4WRKE32E600L-3X/6EG24K31/A5D3M
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The 4WRKE32E600L-3X/6EG24K31/A5D3M proportional directional valve belongs to the 4WRKE Directional Valves series and is manufactured by Bosch Rexroth for closed-loop hydraulic automation. It accepts a ±10 V command signal to drive spool type E within nominal size 32, directing flow according to electronic setpoints. At a pressure drop of 10 bar the valve provides a nominal flow of 600 L/min, and its main stage can pass up to 1600 L/min to supply large cylinders or motors. Ports p, a, and b are rated for 350 bar, allowing integration into high-pressure systems without derating. Internal electronics operate from a 24 V DC supply and consume no more than 72 W. Spool travel follows the linear L characteristic curve, so flow increases proportionally with input voltage. A ±10 V actual value output feeds back spool position to the machine controller for closed-loop accuracy.
The remaining parameters specify operating conditions and interfaces. The main flow path requires oil cleanliness class 20/18/15, while the pilot stage must meet 17/15/12 to prevent wear in the fine metering section. Pilot oil is supplied externally and returns externally through port Y, isolating pilot pressure from load fluctuations. An IP65 ingress protection rating shields the enclosure against dust and low-pressure water jets encountered on mobile or industrial machinery. Electrical connection is made with a DIN EN 175201-804 plug, ensuring a standardized pin layout for power, command, and feedback lines. Together these features keep the valve responsive under contamination-controlled oil, protect the electronics from environmental exposure, and simplify wiring during installation.
Technical Specifications
Actual Value Output
±10 V
Characteristic Curve
L (Linear)
Cleanliness Class (main)
20/18/15
Cleanliness Class (pilot)
17/15/12
Command Signal
±10 V
Electrical Connector
DIN EN 175201-804
Ingress Protection
IP65
Max Main Valve Flow
1600 L/min
Max Operating Pressure (p/a/b)
350 bar
Nominal Flow (Δp=10 Bar)
600 L/min
Nominal Size
32
Pilot Oil Drain
External (Port Y)
Pilot Oil Supply
External
Power (max)
72 W
Spool Type
E
Supply Voltage
24 V DC
1620 Old Apex Road
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