Bosch Rexroth | 4WRKE27W4-500L-3X6EG24K31A5D3M
4WRKE27W4-500L-3X/6EG24K31/A5D3M
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The 4WRKE27W4-500L-3X/6EG24K31/A5D3M valve is manufactured by Bosch Rexroth for the 4WRKE Directional Valves series and regulates hydraulic actuators through proportional control. It uses nominal size 27 ports, establishing the passage dimensions needed for its flow class, and follows the ISO 4401-08-07-0-94 mounting pattern so it can be bolted directly to standardized subplates. A 6E proportional solenoid with a removable coil drives the spool, and the electronics are powered from a 24 V DC supply. The control card must not exceed 1.5 A input current, while a ±10 V command signal defines the target position and a matching ±10 V actual value output returns spool feedback. Electrical demand peaks at 72 W during full displacement, and an IP65 housing guards the device against dust and water jets.
The hydraulic stage delivers a nominal flow of 500 L/min at a 10 bar pressure drop and can pass up to 1000 L/min through the main valve when conditions require higher throughput. Ports p, a, and b sustain operating pressures up to 210 bar, and the external drain at port T is rated for the same 210 bar limit. Pilot oil is both supplied and returned externally, keeping case temperature lower, and a step input draws 11.7 L/min of pilot flow to shift the main spool quickly. NBR sealing elements contain the fluid and withstand common mineral-oil media used in industrial hydraulic systems.
Technical Specifications
Actual Value Output
+/- 10 V (A5)
Command Value Input
+/- 10 V (A5)
Degree Of Protection
IP65
Max Input Current
1.5 A
Max Main Valve Flow
1000 L/min
Max Operating Pressure (p/a/b)
210 bar
Max Power Consumption
72 W
Mounting Pattern
ISO 4401-08-07-0-94
Nominal Flow
500 L/min (10 bar pressure drop)
Nominal Size
27
Pilot Oil Flow (step Input)
11.7 L/min
Pilot Oil Supply/drain
External/External
Port T Pressure (external Drain)
210 bar
Proportional Solenoid
6E (removable coil)
Seal Material
NBR
Supply Voltage
24 V DC
1620 Old Apex Road
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