Bosch Rexroth | 4WRPH6C4B24L-2XG24Z4M
4WRPH6C4B24L-2X/G24Z4/M
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The 4WRPH6C4B24L-2X/G24Z4/M proportional valve is manufactured by Bosch Rexroth for the 4WRP Solenoid Valves series. Designed to meter hydraulic flow in closed-loop control systems, it uses a spool coded C4 to route fluid through a nominal size 6 body. The linear metering edge labeled "L" establishes predictable flow gain, providing 24 l/min at the rated differential. Ports p, a, and b can be pressurized to 315 bar, allowing the unit to function in high-pressure circuits. The assembly fits manifolds drilled to ISO 4401-03-02-0-94, and electrical connection is made through a DIN 43650 plug with two power pins and protective earth secured by an M16 × 1.5 thread. A 24 VDC trigger signal energizes the coil, while current is limited to 2.7 A to prevent overheating.
A built-in LVDT keeps the spool at the commanded position; it draws ±15 V for excitation and returns a ±10 V feedback signal to the controller. Static hysteresis remains at or below 0.2 percent, so repeated commands produce consistent flow. The spool reaches full stroke in no more than 10 ms, supporting rapid pressure adjustments when the machine cycle demands it. The tank line is rated for 250 bar, matching return circuits that operate above standard pressures. Mechanical robustness is demonstrated by vibration resistance up to 25 g, enabling installation on mobile platforms. The housing weighs 2.3 kg, which eases mounting without additional support.
Technical Specifications
Flow Characteristic
Linear (L)
Hysteresis
≤ 0.2%
Max Operating Pressure (p,a,b)
315 bar
Max Operating Pressure (t)
250 bar
Max Solenoid Current
2.7 A
Mounting Pattern
ISO 4401-03-02-0-94
Nominal Flow
24 l/min
Nominal Size
6
Position Transducer Signal
±10 V
Position Transducer Supply
±15 V
Response Time (0–100%)
≤ 10 ms
Solenoid Connector
DIN 43650 (2P+PE, M16x1.5)
Spool Symbol
C4
Trigger Supply Voltage
24 VDC
Vibration Resistance
25 g
Weight
2.3 kg
1620 Old Apex Road
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