Bosch Rexroth | 4WRKE32W6-600L-3X6EG24EK31C5D3M-718
4WRKE32W6-600L-3X/6EG24EK31/C5D3M-718
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The 4WRKE32W6-600L-3X/6EG24EK31/C5D3M-718 is a directional valve manufactured by Bosch Rexroth for the 4WRKE Directional Valves series, where it regulates flow and pressure in hydraulic automation loops. Its nominal size of 32 suits large-capacity lines, and a nominal flow of 600 L/min at a 10 bar differential maintains consistent actuator speed. The main stage can pass up to 1,600 L/min, allowing rapid motion when higher throughput is required. Maximum operating pressure of 350 bar on ports P, A, and B lets the unit handle high-pressure circuits without derating. The pilot section tolerates supply pressure up to 315 bar so the control spool remains responsive under elevated conditions. Internal pilot supply with external drain simplifies feeding while keeping the return path clean, and port Y must stay below 10 bar static to avoid back-pressure on the pilot chamber. An IP65 enclosure shields the electrical parts from dust and water jets to permit open-frame mounting on machinery.
Electrical actuation runs on a 24 V DC supply, and power draw is limited to 72 W to keep coil heating moderate. A plug that follows DIN EN 175201-804 provides a standardized connection for control wiring. Response sensitivity is held to 0.5 % or less, so small input changes produce proportional flow variations, while hysteresis stays within 1 %, improving repeatability when commands reverse. The valve is intended for mineral oil HL or HLP per DIN 51524, and NBR seals are installed to ensure compatibility with this fluid group. The complete assembly weighs 31.5 kg, which must be considered when mounting the block or planning service procedures.
Technical Specifications
Degree Of Protection
IP65
Electrical Connection
DIN EN 175201-804
Hysteresis
≤1%
Max Flow Of Main Valve
1600 L/min
Max Operating Pressure (p, A, B)
350 bar
Max Power
72 W
Nominal Flow (Δp=10 Bar)
600 L/min
Nominal Size
32
Pilot Oil Supply Pressure Max
315 bar
Pilot Oil Supply/drain
Internal supply; external drain
Port Y Pressure (static)
<10 bar
Pressure Fluid
Mineral oil (HL, HLP) DIN 51524
Response Sensitivity
≤0.5%
Seal Material
NBR
Supply Voltage
24 V DC
Weight
31.5 kg
1620 Old Apex Road
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