Bosch Rexroth | 4WRPH10C4B50P-2XG24Z4M
4WRPH10C4B50P-2X/G24Z4/M
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The 4WRPH10C4B50P-2X/G24Z4/M proportional valve is manufactured by Bosch Rexroth as part of the 4WRP Solenoid Valves series. It regulates hydraulic flow and pressure in automated machinery that requires accurate, electrically commanded actuation. The unit has a nominal size of 10 and mounts to subplates that follow the ISO 4401-05-04-0-94 interface, allowing straightforward replacement in existing blocks. A C4 spool is fitted, and its P non-linear flow characteristic provides fine metering near the center position. The valve delivers a nominal flow of 50 l/min at a 70 bar pressure drop while tolerating operating pressures up to 315 bar on the P, A, and B ports. The T port withstands 250 bar so back-pressure in return lines does not limit system design. Electrical power comes from a 24 V DC supply; the solenoid coil shows 2.4 Ω resistance at 20 °C and accepts currents up to 3.7 A to drive the spool to full stroke without magnetic saturation.
A 0–100 % response time of 25 ms supports rapid closed-loop positioning, keeping cylinder motion in step with controller commands. The coil terminals are housed in a DIN 43650/ISO 4400 connector with two power pins and a protective earth, so wiring can be completed with standard molded plugs. Internal position monitoring uses an LVDT that is energized by a ±15 V supply drawing 35/25 mA and returns a symmetrical ±10 V signal, simplifying connection to analog servo cards that expect bipolar feedback. An IP65 enclosure rating shields the assembly from dust and low-pressure water jets when the mating connector is secured, enabling use on machinery exposed to washdown fluids. NBR seals are installed on all hydraulic interfaces to ensure fluid compatibility and leak-free performance throughout the rated pressure range.
Technical Specifications
Coil Resistance (20 °c)
2.4 Ω
Degree Of Protection
IP65
Flow Characteristic
P (Non-Linear)
Max Operating Pressure (p/a/b)
315 bar
Max Solenoid Current
3.7 A
Max Tank Port Pressure (t)
250 bar
Mounting Interface
ISO 4401-05-04-0-94
Nominal Flow (Δp 70 Bar)
50 l/min
Nominal Size
10
Response Time 0–100%
25 ms
Seal Material
NBR
Solenoid Connector
DIN 43650/ISO 4400 (2P+PE)
Spool Symbol
C4
Supply Voltage
24 V DC
Transducer Output Signal
±10 V
Transducer Supply
±15 V (35/25 mA)
1620 Old Apex Road
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