Bosch Rexroth | 4WRZE16E150-7X6EG24N9EK31F1V
4WRZE16E150-7X/6EG24N9EK31/F1V
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The 4WRZE16E150-7X/6EG24N9EK31/F1V valve belongs to the WRZ Proportional Directional Valves series and is manufactured by Bosch Rexroth for closed-loop hydraulic automation. It modulates spool position so that actuators receive flow and direction proportional to an input signal. A 24 V DC supply powers the solenoid, while a 4 to 20 mA command current sets the valve opening across its full range. The coil shows 2 Ω resistance at 20 °C, allowing predictable current draw, and it is specified for a 100 % duty cycle so it can remain energized without rest periods. Electrical termination is through a DIN EN 175201-804 plug that simplifies cabinet wiring, and the housing carries an IP65 rating that blocks dust and water spray. A concealed manual override lets technicians shift the spool during setup or power loss, and the winding endures temperatures up to 150 °C to tolerate hot manifolds.
The hydraulic section is rated for 350 bar on the main ports and 250 bar on return port T, enabling the valve to function in high-pressure systems such as presses or injection machines. At a 10 bar differential it passes a nominal flow of 150 l/min, providing the throughput needed for mid-size cylinders and motors. Pilot oil is taken internally yet drained externally, a layout that eases plumbing while preventing pressure spikes from influencing control paths. FKM seals withstand mineral oil and elevated temperature, reducing leakage over long service intervals. Under full shift the solenoid draws up to 1.8 A, staying within common power-supply limits. The subplate-mounted body weighs 13.6 kg, giving enough mass to resist vibration and maintain alignment on manifold blocks.
Technical Specifications
Coil Resistance (20 °c)
2 Ω
Command Signal
4 to 20 mA
Duty Cycle
100%
Electrical Connection
DIN EN 175201-804
Ip Rating
IP65
Manual Override
Concealed
Max Coil Temperature
150 °C
Max Current Consumption
1.8 A
Max Operating Pressure (main)
350 bar
Max Return Pressure (port T)
250 bar
Nominal Flow (Δp 10 Bar)
150 l/min
Pilot Oil Drain
External
Pilot Oil Supply
Internal
Seals
FKM
Supply Voltage
24 V DC
Weight (subplate)
13.6 kg
1620 Old Apex Road
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