Bosch Rexroth | 4WRKE16W6-200L-3X6EG24EK31A5D3M
4WRKE16W6-200L-3X/6EG24EK31/A5D3M
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The 4WRKE16W6-200L-3X/6EG24EK31/A5D3M valve is produced by Bosch Rexroth and belongs to the 4WRKE Directional Valves series. It serves as an electro-hydraulic element for automated actuator control in high-pressure circuits. The unit is built in nominal size 16, which determines port dimensions and mounting envelope. A W6 spool type sets the internal flow paths that establish its directional function. The linear characteristic curve delivers proportional flow in response to command signals, supporting precise speed regulation of cylinders or motors. Integrated electronics run on a 24 V DC supply voltage, while a ±10 V input signal provides the reference for spool positioning. An enable pin labeled C offers a discrete permission line for safety interlocks. Electrical connection follows the DIN EN 175201-804 pattern to match common industrial plugs, and an IP65 protection class shields the housing from dust and water jets. The electronics draw up to 72 W, so panel power allocation must account for this load.
The valve achieves a nominal flow of 200 L/min at a differential pressure of 10 bar and can pass up to 460 L/min when higher capacity is required. Ports p, a, and b tolerate operating pressures as high as 350 bar, allowing use in heavy-duty hydraulic systems. Pilot oil is supplied internally, simplifying plumbing by eliminating an external feed line, whereas the pilot oil drain is external to prevent back pressure from influencing control stages. Port Y must remain below 10 bar static pressure to protect the pilot circuit. The assembly weighs 11.2 kg, so mounting brackets should support that mass without deflection.
Technical Specifications
Characteristic Curve
Linear
Electrical Connection
DIN EN 175201-804
Enable Pin
C
Flow, Max
460 L/min
Input Signal
±10 V
Nominal Flow (Δp 10 Bar)
200 L/min
Nominal Size
16
Operating Pressure (p/a/b), Max
350 bar
Pilot Oil Drain
External
Pilot Oil Supply
Internal
Port Y Static Pressure, Max
10 bar
Power, Max
72 W
Protection Class
IP65
Spool Type
W6
Supply Voltage
24 V DC
Weight
11.2 kg
1620 Old Apex Road
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