Bosch Rexroth | 4WRKE16W6-200P-3X6EG24K31A5D3M
4WRKE16W6-200P-3X/6EG24K31/A5D3M
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The 4WRKE16W6-200P-3X/6EG24K31/A5D3M valve is manufactured by Bosch Rexroth for the 4WRKE Directional Valves series, where it meters hydraulic flow for closed-loop position or force control in automated machinery. Its nominal size of 16 defines the port geometry and matches manifold cavities in medium-flow circuits. A nominal flow rate of 200 L/min allows steady motion of large cylinders, while a maximum main valve flow of 460 L/min covers acceleration peaks. The unit tolerates 350 bar on the pressure ports p, a, and b, supporting high-pressure servo loops, and it limits return flow to 250 bar at port t to protect tank lines. Dynamic response depends on a pilot oil flow of 8.5 L/min that actuates the main spool. A 24 VDC supply energizes the on-board electronics, and the 6E removable coil solenoid simplifies replacement without disturbing hydraulic piping.
Closed-loop control is handled electrically; the valve accepts a ±10 V command signal and provides a matching ±10 V actual-value output to the motion controller for feedback. The characteristic curve defined as form P creates an extended fine-control range that improves low-speed cylinder positioning. Electrical connection is made through a DIN EN 175201-804 plug, giving a standardized pinout that speeds replacement. An IP65 enclosure rating prevents dust ingress and water jets from affecting field-mounted installations so no additional housing is needed in most factories. NBR seals maintain compatibility with mineral hydraulic oils and limit external leakage under temperature cycling. The internal spool follows symbol W6, establishing the flow paths required for bidirectional actuator control and producing symmetrical metering edges. Total mass is 11.2 kg, permitting single-technician handling during service runs and reducing mounting load on support brackets.
Technical Specifications
Actual Value Output
±10 V (A5)
Characteristic Curve Form
P (Fine Control Range)
Command Signal
±10 V (A5)
Electrical Connection
DIN EN 175201-804
Ip Rating
IP65
Mass
11.2 kg
Max Main Valve Flow
460 L/min
Max Pressure (p/a/b)
350 bar
Max Return Pressure (t)
250 bar
Nominal Flow
200 L/min
Nominal Size
16
Pilot Oil Flow (step)
8.5 L/min
Seals
NBR
Solenoid Type
6E (Removable Coil)
Spool Symbol
W6
Supply Voltage
24 VDC
1620 Old Apex Road
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