Bosch Rexroth | 4WRPH6C4B40P-2XG24K0M-750
4WRPH6C4B40P-2X/G24K0/M-750
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The 4WRPH6C4B40P-2X/G24K0/M-750 proportional valve belongs to the 4WRP Solenoid Valves series and is produced by Bosch Rexroth for hydraulic automation tasks that need precise flow and pressure control. It occupies nominal size 6, allowing compact manifold layouts. A 24 V DC supply energizes the coil, which shows a resistance of 2.5 Ω at 20 °C, establishing its steady-state current. The actuator can draw up to 2.7 A, while total electrical demand stays within 40 VA, keeping power supplies modest. Fast circuit response is supported by a 10 ms 0–100 % step time, and maximum hysteresis is limited to 0.2 % to maintain repeatable spool positioning. Mounting follows ISO 4401-03-02-0-94, so the valve attaches directly to standardized subplates without adapters.
The housing reaches IP65, protecting internal parts from dust ingress and low-pressure water spray, and NBR seals contain mineral oil under varying temperatures. The body handles 315 bar on the P, A, and B lines and 250 bar on the tank port, meeting common high-pressure circuit needs. Metering geometry delivers a nominal flow of 40 L/min at a 70 bar differential to suit medium actuator sizes. An internal position transducer supplies a ±10 V feedback signal and operates from a ±15 V, 35 mA source, giving drive electronics closed-loop control capability. The complete assembly weighs 2.3 kg, aiding installation and routine service on production machinery.
Technical Specifications
Coil Resistance (20 °c)
2.5 Ω
Degree Of Protection
IP65
Hysteresis (max)
0.2%
Max Power Consumption
40 VA
Max Solenoid Current
2.7 A
Max Tank Port Pressure (t)
250 bar
Max Working Pressure (p,a,b)
315 bar
Mounting Interface
ISO 4401-03-02-0-94
Nominal Flow (Δp 70 Bar)
40 l/min
Nominal Size
6
Response Time (0–100%)
10 ms
Seal Material
NBR
Supply Voltage
24 V DC
Transducer Signal
±10 V
Transducer Supply
±15 V, 35 mA
Weight
2.3 kg
1620 Old Apex Road
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