Bosch Rexroth | 4WRKE16E200L-3X6EG24TK31A5D3M-574
4WRKE16E200L-3X/6EG24TK31/A5D3M-574
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The 4WRKE16E200L-3X/6EG24TK31/A5D3M-574 directional valve belongs to the 4WRKE Directional Valves series from Bosch Rexroth. It controls actuator speed and direction in hydraulic automation systems using a proportional spool driven by an electrohydraulic pilot stage. The unit is built to nominal size 16 so it fits on standardized sub-plates of the same size. A nominal flow rating of 200 L/min allows it to regulate medium to high flow circuits, while a maximum operating pressure of 350 bar lets it withstand typical industrial pressures on ports P, A, and B. The linear spool designated type E meters flow proportionally to a command signal of ±10 V, and a response sensitivity not exceeding 0.5 % ensures recognizable output for small voltage changes. Supply voltage of 24 VDC powers the pilot solenoids that shift the spool, giving electronic controllers a simple low-voltage interface.
The removable-coil solenoid identified as type 6E simplifies coil replacement without disturbing hydraulic pipework. Electrical wiring is completed through a DIN EN 175201-804 interface, and the K31 component plug secures conductors against vibration. Pilot oil is taken from an external supply and returned internally, so the valve can use clean control oil without external drains. An in-line pressure reducing valve ZDR 6 DP0-4X/40YM-W80 maintains stable pilot pressure for consistent metering. Hysteresis held below 1 % limits flow variation during polarity reversals, and an IP65 enclosure rating blocks dust and water jets encountered in machine enclosures. NBR seals contain mineral-based hydraulic fluids and resist swelling, supporting long service intervals. The assembly weighs 11.2 kg, which must be considered when sizing mounting hardware.
Technical Specifications
Command Signal
±10 V
Electrical Connection
DIN EN 175201-804
Electrical Plug
K31 (Component Plug)
Hysteresis
1% (Max)
Ingress Protection
IP65
Max Operating Pressure (p,a,b)
350 bar
Nominal Flow
200 L/min
Nominal Size
16
Pilot Oil
External Supply, Internal Drain
Pressure Reducing Valve
ZDR 6 DP0-4X/40YM-W80
Response Sensitivity
0.5% (Max)
Seals
NBR
Solenoid Type
6E (Removable Coil)
Spool Type
E (Linear)
Supply Voltage
24 VDC
Weight
11.2 kg
1620 Old Apex Road
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