Bosch Rexroth | 4WRKE35E1-1000L-3X6EG24K31C1D3M
4WRKE35E1-1000L-3X/6EG24K31/C1D3M
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The 4WRKE35E1-1000L-3X/6EG24K31/C1D3M proportional directional valve belongs to the 4WRKE Directional Valves series and is produced by Bosch Rexroth for closed-loop hydraulic automation. It uses spool type E1 to meter flow precisely in servo control loops. The valve handles a nominal flow of 1000 L/min at a 10 bar differential, enabling high-volume actuators to move quickly. A maximum operating pressure of 350 bar on ports P, A, and B allows installation in high-pressure circuits. Command and feedback are carried on a ±10 mA interface so the controller can transmit accurate position signals without voltage drift. The coil requires a supply voltage of 24 V DC and draws up to 1.5 A, which simplifies wiring to common industrial power rails. Connection is made through a DIN EN 175201-804 plug that supports quick replacement in the field. The assembly weighs 34 kg, a factor to consider for manifold or sub-plate mounting.
External pilot oil supply and external pilot oil drain isolate control fluid from the main return line, reducing the influence of back-pressure on spool dynamics. During full stroke from 0 to 100 percent, the pilot stage consumes 13.0 L/min, which sizing engineers must provide through the pilot circuit. The pilot supply may reach 315 bar, ensuring stable actuation even when system pressure fluctuates, while the return port T can see up to 250 bar without damaging seals. A built-in pressure reducing valve type ZDR 6 DP0-4X/40YM-W80 limits pilot pressure to protect the proportional solenoids from overload. NBR seal material resists common hydraulic oils and maintains leakage control over the service life. The housing carries an IP65 protection rating so the electronics remain unaffected by dust or low-pressure water jets in mobile or industrial environments.
Technical Specifications
Electrical Connection
DIN EN 175201-804
Interface (command/actual)
±10 mA
Max Operating Pressure (p, A, B)
350 bar
Max Pilot Supply Pressure
315 bar
Max Return Pressure (port T)
250 bar
Max Supply Current
1.5 A
Nominal Flow (Δp=10 Bar)
1000 L/min
Pilot Oil Drain
External
Pilot Oil Flow (step 0–100%)
13.0 L/min
Pilot Oil Supply
External
Pressure Reducing Valve
ZDR 6 DP0-4X/40YM-W80
Seal Material
NBR
Spool Type
E1
Supply Voltage
24 V DC
Valve Protection
IP65
Weight
34 kg
1620 Old Apex Road
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