Bosch Rexroth | 4WRPH6C3B02L-2XG24Z4M
4WRPH6C3B02L-2X/G24Z4/M
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The 4WRPH6C3B02L-2X/G24Z4/M proportional valve belongs to the 4WRP Solenoid Valves series and is manufactured by Bosch Rexroth to regulate flow in hydraulic automation circuits. It is energized with a 24 V DC supply, and the solenoid draws up to 2.7 A through a coil whose resistance at 20 °C is 2.5 Ω, allowing precise current control from an external amplifier. Power draw does not exceed 40 VA, and the coil is rated for a duty cycle of 100 % ED, so continuous modulation is possible without overheating. A maximum response time of 10 ms for a 0–100 % step command supports fast loop dynamics, while the spool exhibits a linear flow characteristic to simplify gain settings in closed-loop control. Under a differential pressure of 35 bar the valve meters a rated flow of 2 l/min, making it suitable for small-volume actuator circuits.
For hydraulic mounting, the unit follows the ISO 4401-03-02-0-94 pattern, and it withstands operating pressures up to 315 bar at ports P, A, and B, with the tank port tolerating return pressure to 250 bar. Protection class IP65 shields the electrical section against dust and low-pressure water jets, and the assembled body weighs 2.3 kg for convenient manifold installation. Internal position feedback keeps spool error within a hysteresis band of 0.2 %, and the transducer is powered by a ±15 V supply available from the drive electronics. Fluid cleanliness must meet ISO 4406 code 18/16/13 to preserve the tight clearances and response characteristics described above.
Technical Specifications
Cleanliness Class
ISO 4406 18/16/13
Coil Resistance @ 20 °c
2.5 Ω
Degree Of Protection
IP65
Duty Cycle
100% ED
Flow Characteristic
Linear
Hysteresis (max)
0.2%
Max Operating Pressure (p,a,b)
315 bar
Max Power Consumption
40 VA
Max Response Time (0–100%)
10 ms
Max Return Pressure (t)
250 bar
Max Solenoid Current
2.7 A
Mounting Pattern
ISO 4401-03-02-0-94
Rated Flow (Δp 35 Bar)
2 l/min
Supply Voltage
24 V DC
Transducer Supply Voltage
±15 V
Weight
2.3 kg
1620 Old Apex Road
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