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The 4WRPH10C3B50L-2X/G24Z4/M proportional valve belongs to the 4WRP Solenoid Valves series from Bosch Rexroth and regulates hydraulic flow and pressure in automated machinery. It is supplied in nominal size 10, so it mounts in NG10 cavities used for medium-capacity circuits. Subplate mounting together with the ISO 4401-05-04-0-94 interface allows direct installation on standardized manifold plates. A linear flow characteristic converts command signals into proportional spool movement, while spool symbol C3 defines the metering geometry applied to ports P, A, B, and T. With a nominal flow of 50 l/min at a 70 bar differential, the valve meets typical actuator requirements. Ports P, A, and B can operate at working pressures up to 315 bar, and port T tolerates 250 bar to accommodate back-pressure in return lines. An integrated LVDT DC/DC position transducer reports spool position for closed-loop control accuracy.
Electrical actuation is provided by a 24 V DC solenoid that can draw a peak current of 3.7 A; the coil resistance measured at 20 °C is 2.4 Ω, establishing the current-temperature relationship. The available current generates the magnetic force required to shift the spool proportionally to the control signal. Total power consumption reaches 60 VA, so the supply cabinet must allocate adequate capacity. The valve housing carries an IP65 protection rating, protecting internal components from dust ingress and low-pressure water spray. Mechanical robustness is further shown by vibration resistance to 25 g, allowing installation on mobile frames or presses subject to shock. A weight of 6.8 kg enables single-person handling while still providing the mass needed to damp hydraulic oscillations. These electrical and mechanical limits complete the functional envelope defined for safe operation of the proportional spool within hydraulic automation systems.
Coil Resistance (r20)
2.4 Ω
Degree Of Protection
IP65
Flow Characteristic
Linear (L)
Max Pressure Port T
250 bar
Max Solenoid Current
3.7 A
Max Working Pressure (p,a,b)
315 bar
Mounting Interface
ISO 4401-05-04-0-94
Mounting Type
Subplate
Nominal Flow (Δp 70 Bar)
50 l/min
Nominal Size
10 (NG10)
Position Transducer
LVDT (DC/DC)
Power Consumption
60 VA
Spool Symbol
C3
Supply Voltage
24 V DC
Vibration Resistance
25 g
Weight
6.8 kg
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