Bosch Rexroth | 4WRKE35W6-1000L-3X6EG24ETK31A1D3M
4WRKE35W6-1000L-3X/6EG24ETK31/A1D3M
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The 4WRKE35W6-1000L-3X/6EG24ETK31/A1D3M directional valve belongs to the 4WRKE Directional Valves series manufactured by Bosch Rexroth. Designed for closed-loop hydraulic automation, it combines electrical command with pilot-operated spool control. A nominal size of 35 provides a flow path sized for large industrial cylinders. The electronics accept a command value of ±10 V and issue an actual value feedback of ±10 V to a motion controller. A 24 V DC supply powers the integrated amplifier, and the circuit can draw up to 1.5 A during dynamic shifts. Connection is made through a DIN EN 175201-804 plug, supporting standardized harnesses. Pilot supply and drain are routed internally, reducing external plumbing, while the pilot stage consumes 13.0 L/min on a step input to move the main spool quickly. NBR seals are fitted to maintain leakage control with common mineral oils.
The valve withstands operating pressures up to 350 bar, allowing it to control heavy-duty actuators while maintaining internal integrity. It can pass a maximum flow of 3000 L/min, yet its rated nominal flow reaches 1000 L/min at a 10 bar differential, establishing predictable sizing for proportional circuits. This capacity allows large press circuits to operate without excessive pressure drop across the valve body. Response sensitivity is limited to 0.5 %, enabling fine position correction with minimal input change, and hysteresis is kept below 1 % to reduce reversal error during cyclic motion. An IP65 housing guards the electronics and spool assembly against dust ingress and water jets encountered near presses or molding machines. The assembly weighs 34 kg, so mounting brackets must support this load and damp vibration during high-frequency cycling.
Technical Specifications
Actual Value Output
±10 V
Command Value
±10 V
Electrical Connection
DIN EN 175201-804
Hysteresis (max)
1 %
Max Current
1.5 A
Max Operating Pressure
350 bar
Max Permissible Flow
3000 L/min
Nominal Flow (∆p=10 Bar)
1000 L/min
Nominal Size
35
Pilot Oil Flow (step Input)
13.0 L/min
Pilot Supply/drain
Internal/Internal (ET)
Response Sensitivity (max)
0.5 %
Seals
NBR
Supply Voltage
24 V DC
Valve Protection
IP65
Weight
34 kg
1620 Old Apex Road
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