Bosch Rexroth | 4WRPH6C3B04P-2XG24Z4M
4WRPH6C3B04P-2X/G24Z4/M
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The 4WRPH6C3B04P-2X/G24Z4/M valve belongs to the 4WRP Solenoid Valves series and is produced by Bosch Rexroth for closed-loop hydraulic automation where proportional flow control is required. The unit is driven by a proportional solenoid that works with an external amplifier, and it accepts a 24 V DC supply so it can integrate with common control cabinets. A coil resistance of 2.5 Ω at 20 °C establishes the current draw profile, while the solenoid rating of 2.7 A defines the maximum drive signal allowed from the amplifier. Power consumption is 40 VA, so thermal loading on the enclosure is moderate. Electrical connection is through a DIN 43560-AM2 plug coded Z4, enabling quick replacement in existing circuits. Installation follows the ISO 4401-03-02-0-94 interface, and the nominal size 6 platform aligns with standard NG6 manifolds. Under a 70 bar differential, the spool passes a nominal flow of 4 l/min, giving predictable metering at low duty points.
When higher demand occurs, the valve supports a maximum flow of 40 l/min without loss of stability, and it withstands operating pressures up to 315 bar on service ports and 250 bar on port T, allowing use in high-pressure return-line circuits. Position feedback is supplied by an integrated LVDT working on a ±10 V DC range; this sensor keeps the spool centered with a maximum hysteresis of 0.2 %, which improves repeatability in servo loops. The metering characteristic follows curve P, so flow gain remains linear across the control signal. A spool coded C3 shapes the cross-section between work ports to suit bidirectional cylinder drives. Together these parameters let the external amplifier generate precise proportional outputs while staying within electrical and hydraulic limits set for the valve.
Technical Specifications
Actuation Type
Proportional Solenoid (External Amplifier)
Characteristic Curve
P
Coil Resistance (20 °c)
2.5 Ω
Electrical Connector
DIN 43560-AM2 (Z4)
Max Flow
40 l/min
Max Operating Pressure
315 bar
Max Pressure Port T
250 bar
Max Solenoid Current
2.7 A
Maximum Hysteresis
0.2 %
Mounting Interface
ISO 4401-03-02-0-94
Nominal Flow
4 l/min (Δp 70 bar)
Nominal Size
6
Position Feedback
LVDT DC/DC (±10 V)
Power Consumption
40 VA
Spool Symbol
C3
Supply Voltage
24 V DC
1620 Old Apex Road
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