Bosch Rexroth | 4WRKE16E1-125L-3X6EG24ETK31A1D3M
4WRKE16E1-125L-3X/6EG24ETK31/A1D3M
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The 4WRKE16E1-125L-3X/6EG24ETK31/A1D3M directional valve is built by Bosch Rexroth and belongs to the 4WRKE Directional Valves series. It meters hydraulic flow to position actuators in automated machinery and uses a nominal size 16 body to fit medium frame manifolds. With a nominal flow of 125 L/min at a 10 bar pressure drop, the valve provides predictable response in closed-loop control tasks. The main stage supports up to 460 L/min so oversize cylinders can be shifted without adding parallel valves. A permitted operating pressure of 350 bar on ports P, A, and B allows use in high-pressure circuits common in presses or die-casting lines. Electrical actuation relies on a 24 V DC supply, while command signals are accepted through a ±10 V interface for proportional spool positioning. Connection is made through a DIN EN 175201-804 plug, and the solenoid coil can be removed for service without disturbing hydraulic plumbing.
Internal pilot oil supply simplifies installation because no external feed line is required, and the internal drain returns pilot flow to tank without extra hoses. The pilot section uses only 8.5 L/min, reducing heat generation in continuous duty. Port T withstands a static limit of 10 bar so back-pressure in the return line remains within safe bounds. Mounting follows the ISO 4401-07-06-0-94 pattern, enabling direct stacking on standard subplates. The enclosure carries an IP65 protection rating, keeping dust and water jets away from the electrical parts. During dynamic operation the device draws up to 72 W, matching cabinet power budgets for multiple axes. Overall weight is 11.2 kg, which allows manual handling during maintenance without lifting equipment.
Technical Specifications
Command/act Value Interface
±10 V
Electrical Connection
DIN EN 175201-804
Max Flow (main Valve)
460 L/min
Max Operating Pressure (p, A, B)
350 bar
Nominal Flow (Δp 10 Bar)
125 L/min
Nominal Size
16
Pilot Oil Drain
Internal
Pilot Oil Flow
8.5 L/min
Pilot Oil Supply
Internal
Port T Static Limit
10 bar
Porting Pattern
ISO 4401-07-06-0-94
Power, Max
72 W
Solenoid Coil
Removable
Supply Voltage
24 V DC
Valve Protection
IP65
Weight
11.2 kg
1620 Old Apex Road
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