Bosch Rexroth | 4WRPH6C4B40L-2XG24Z4M
4WRPH6C4B40L-2X/G24Z4/M
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The 4WRPH6C4B40L-2X/G24Z4/M valve belongs to the 4WRP Solenoid Valves series from Bosch Rexroth and is intended for directional and flow control in hydraulic automation systems. It is manufactured in nominal size 6, allowing compact installation in manifold assemblies. The housing matches the ISO 4401-03-02-0-94 mounting interface so it can bolt directly onto standardized subplates. Under a differential pressure of 70 bar the unit delivers a nominal flow of 40 l/min, providing stable volume rates for medium-capacity actuators. Ports P, A, and B tolerate operating pressures up to 315 bar, while the tank port handles 250 bar to protect return lines. A 24 V DC supply energizes the coil, and the magnetic circuit draws up to 40 VA at full load. Continuous energization is supported by a 100 % ED duty cycle, enabling constant modulation without thermal interruption.
The solenoid winding shows a resistance of 2.5 Ω at 20 °C, which establishes the electrical load parameters of the control circuit. During actuation the current can rise to 2.7 A, matching drive card limits for rapid spool positioning. An IP65 enclosure rating guards the interior against dust ingress and water jets when a suitable gasket is used. Electrical connection is made through a DIN 43650 two-pole plus earth plug, simplifying field service. Spool displacement is tracked by an LVDT DC/DC position transducer, and its feedback is issued as a ±10 V signal for closed-loop controllers. Reliable service depends on hydraulic fluid filtered to cleanliness class 18/16/13 according to ISO 4406, which limits particulate wear on the metering edges.
Technical Specifications
Coil Resistance (20 °c)
2.5 Ω
Degree Of Protection
IP65
Duty Cycle
100% ED
Fluid Cleanliness Class
18/16/13 (ISO 4406)
Max Operating Pressure (p,a,b)
315 bar
Max Power Consumption
40 VA
Max Solenoid Current
2.7 A
Max Tank Port Pressure (t)
250 bar
Mounting Interface
ISO 4401-03-02-0-94
Nominal Flow (Δp 70 Bar)
40 l/min
Nominal Size
6
Position Transducer
LVDT DC/DC
Power Supply
24 V DC
Solenoid Connector
DIN 43650 (2P+PE)
Transducer Signal
±10 V
1620 Old Apex Road
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