Bosch Rexroth | 4WRKE32W6-600P-3X6EG24EK31C1D3M
4WRKE32W6-600P-3X/6EG24EK31/C1D3M
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The 4WRKE32W6-600P-3X/6EG24EK31/C1D3M valve belongs to the 4WRKE Directional Valves series and is produced by Bosch Rexroth for proportional control in hydraulic automation systems. With a nominal size of 32, it fits manifolds that follow the ISO 4401-10-08-0-94 porting pattern to standardize mounting in power units. The valve delivers a nominal flow of 600 L/min at a 10 bar differential, enabling high-volume actuation of cylinders or motors. Electrical control is based on a ±10 mA command and actual feedback interface designated C1, while the internal electronics operate from a 24 V DC supply. The pilot stage maintains a response sensitivity no higher than 0.5 %, allowing fine position changes relative to the input signal. Static deviation is kept low because hysteresis is limited to 1 % of full stroke. Coil load is restricted to a maximum current draw of 1.5 A to prevent overheating during continuous modulation.
The main ports p, a, and b withstand operating pressures up to 350 bar, whereas the return line at port T is rated for 250 bar to protect tank connections. A separate pilot drain at port Y may rise to 10 bar static, and the pilot stage requires 13.0 L/min when driven from 0 to 100 % at 315 bar. Mineral oil conforming to DIN 51524 classes HL and HLP is the specified pressure fluid for sealing compatibility and predictable viscosity. Downstream pressure regulation is handled by an integrated ZDR 6 DP0-4X/40YM-W80 reducing valve to stabilize pilot supply. The enclosure carries an IP65 protection rating so the assembly resists dust ingress and low-pressure water jets in industrial settings. Shipping mass is 31.5 kg, which influences mounting support in manifold blocks and frames. These pressure, fluid, and environmental limits position the valve for precise, high-capacity motion control in automated hydraulic machinery.
Technical Specifications
Command/actual Interface
±10 mA (C1)
Hysteresis
1% max
Max Current
1.5 A
Max Operating Pressure (p/a/b)
350 bar
Max Return Pressure (port T)
250 bar
Nominal Flow (Δp 10 Bar)
600 L/min
Nominal Size
32
Pilot Drain Pressure (port Y)
10 bar (static max)
Pilot Oil Flow (step 0–100%, 315 Bar)
13.0 L/min
Porting Pattern
ISO 4401-10-08-0-94
Pressure Fluid
Mineral Oil (HL, HLP) DIN 51524
Pressure Reducing Valve
ZDR 6 DP0-4X/40YM-W80
Response Sensitivity
0.5% max
Supply Voltage
24 V DC
Valve Protection
IP65
Weight
31.5 kg
1620 Old Apex Road
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