Bosch Rexroth | 4WRKE16W6-200L-3X6EG24ETK31A5D3M
4WRKE16W6-200L-3X/6EG24ETK31/A5D3M
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The 4WRKE16W6-200L-3X/6EG24ETK31/A5D3M directional valve is built by Bosch Rexroth for the 4WRKE Directional Valves series, serving as an electro-hydraulic actuator for closed-loop flow and pressure control in automation systems. Sized at NG16, the valve handles a nominal flow rate of 200 L/min to supply cylinders or motors with consistent oil volume. A maximum operating pressure of 350 bar allows use in high-pressure circuits common on presses and molding machines. The spool follows a linear characteristic so flow changes in direct proportion to command input. Actuation is provided by a proportional solenoid with a removable coil, energized from a 24 V DC supply and limited to 72 W of power consumption. Command and actual values are exchanged through a ±10 V interface, while pilot oil is both taken from and returned to the main gallery through internal passages, eliminating external pilot lines.
Electrical termination is made through a connector that complies with DIN EN 175201-804, and the mounting face follows the ISO 4401-07-06-0-94 porting pattern to match common subplates. An IP65 protection rating shields the enclosure against dust and low-pressure water jets, and NBR seals maintain this barrier while being compatible with mineral hydraulic fluids. The main stage requires fluid cleanliness no worse than ISO 4406 class 20/18/15 to prevent wear on sliding components. An integrated pressure reducing cartridge, type ZDR 6 DP0-4X/40YM-W80, stabilizes the pilot stage pressure under fluctuating supply conditions. The complete assembly weighs 11.2 kg, which supports rigid mounting without additional brackets.
Technical Specifications
Electrical Connection
DIN EN 175201-804
Electrical Interface
±10 V (Cmd/Act)
Fluid Cleanliness Main Valve
ISO 4406 20/18/15
Max Operating Pressure (p,a,b)
350 bar
Nominal Flow
200 L/min
Nominal Size
16
Pilot Oil Supply/drain
Internal/Internal
Porting Pattern
ISO 4401-07-06-0-94
Power, Max
72 W
Pressure Reducing Valve
ZDR 6 DP0-4X/40YM-W80
Seal Material
NBR
Solenoid Type
Proportional, Removable Coil
Spool Characteristic
Linear
Supply Voltage
24 VDC
Valve Protection
IP65
Weight
11.2 kg
1620 Old Apex Road
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