Bosch Rexroth | 4WRKE32R3-600L-3X6EG24ETK31A1D3M
4WRKE32R3-600L-3X/6EG24ETK31/A1D3M
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The 4WRKE32R3-600L-3X/6EG24ETK31/A1D3M valve is part of the 4WRKE Directional Valves series produced by Bosch Rexroth for closed-loop hydraulic automation. It employs an R3 spool to shift flow paths, and the L linear characteristic curve allows proportional flow change relative to the input signal. A 24 V DC supply powers the on-board electronics, while a ±10 V command input sets the desired spool position and a matching ±10 V actual value output returns feedback to the controller. The operator can exchange the removable coil solenoid without disturbing the hydraulic stack, facilitating service. Both pilot oil supply and pilot oil drain are internal, removing the need for external pilot lines. The unit bolts to an ISO 4401-10-08-0-94 interface, ensuring compatibility with standardized sub-plates.
The valve passes a maximum of 1600 L/min through the main stage, yet at a differential pressure of 10 bar it delivers a nominal flow of 600 L/min for routine circuit regulation. System pressure on ports p, A, and B may reach 350 bar, matching high-pressure industrial power units. Electronic components draw up to 72 W, so panel designers must provide adequate power reserves. An NBR seal set contains hydraulic fluid within the body, and an IP65 housing shields internal parts against dust and water jets in typical factory environments. The assembly weighs 31.5 kg, which requires secure mounting hardware and lifting assistance during installation.
Technical Specifications
Actual Value Output
±10 V
Characteristic Curve
L (Linear)
Command Value Input
±10 V
Max Main Valve Flow
1600 L/min
Max Operating Pressure (p, A, B)
350 bar
Mounting Interface
ISO 4401-10-08-0-94
Nominal Flow At Δp = 10 Bar
600 L/min
Pilot Oil Drain
Internal
Pilot Oil Supply
Internal
Power, Max
72 W
Seal Material
NBR
Solenoid Type
Removable Coil
Spool Symbol
R3
Supply Voltage
24 V DC
Valve Protection
IP65
Weight
31.5 kg
1620 Old Apex Road
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