Bosch Rexroth | 4WRZE16E150-7X6EG24
4WRZE16E150-7X/6EG24
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The 4WRZE16E150-7X/6EG24 proportional directional valve belongs to the 4WRE Proportional Directional Valves series from Bosch Rexroth. It regulates actuator speed and direction in hydraulic automation by shifting a spool through electrical control with integrated electronics. A 24 V DC drive signal energizes the pilot stage, so only a low-level command is needed from the machine controller. The unit is built to nominal size 16, and it installs on a subplate using the ISO 4401-07-07-0-05 interface. Four ports support pressure, tank, and two work lines, and the spool can occupy three switching positions for extend, retract, or neutral. Symbol E identifies the geometry of the metering lands that create proportional flow paths, and the design achieves a nominal flow of 150 L/min at rated conditions.
The housing tolerates a maximum operating pressure of 350 bar and can pass up to 460 L/min when fully stroked, making the valve suitable for large cylinder circuits. Tank return at port T may be externally piped with pressures to 250 bar, whereas an internal drain limits port T to 30 bar to prevent backpressure on the pilot stage; port Y is likewise restricted to 30 bar. The footprint also matches NFPA T3.5.1 R2-2002 D07 to fit North American manifolds without adapters. Total mass is 12.1 kg, so the mounting plate must withstand that weight and any dynamic forces generated during cycling.
Technical Specifications
Actuation Type
Electrical (Integrated Electronics)
Connection Type
Subplate Mounting
Max Return Pressure Port T (external)
250 bar
Max Return Pressure Port T (internal)
30 bar
Max Return Pressure Port Y
30 bar
Maximum Flow
460 L/min
Maximum Operating Pressure
350 bar
Nominal Flow
150 L/min
Nominal Size
16
Number Of Ports
4
Porting Pattern (iso)
ISO 4401-07-07-0-05
Porting Pattern (nfpa)
NFPA T3.5.1 R2-2002 D07
Spool Symbol
E
Supply Voltage
24 V DC
Switching Positions
3
Weight
12.1 kg
1620 Old Apex Road
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