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The 4WRPH6C3B40P-2X/G24Z4/M valve is part of the 4WRP Solenoid Valves series from Bosch Rexroth and is intended to regulate flow and pressure in servo-controlled hydraulic circuits. It is supplied in nominal size NG6, allowing compact integration on manifold plates that follow the ISO 4401-03-02-0-94 interface. The spool identified by symbol C3 directs fluid between ports in predefined patterns, while a P-shaped non-linear flow characteristic modifies the metering area to match varying command signals. A nominal flow rate of 40 l/min supports medium-capacity actuators, and the unit withstands 315 bar on ports P, A, and B to suit high-pressure systems. Return-line limits are set by a 250 bar maximum tank port pressure, helping designers maintain safe back-pressure levels. For environmental resilience, the enclosure carries an IP65 rating that blocks dust and water jets during operation.
Electrical actuation is delivered by a 24 V DC supply, and the coil draws up to 40 VA so power modules can be sized correctly. Peak solenoid current is limited to 2.7 A, and connections are made through a DIN 43650/ISO 4400 plug with an M16×1.5 thread to standardize field wiring. A built-in DC/DC LVDT serves as the position transducer; it generates a ±10 V feedback signal that the valve amplifier uses for closed-loop control accuracy. The feedback leads exit through a separate 4-pin Pg7 connector to keep low-level signals isolated from the power circuit. Total mass is 2.3 kg, which permits straightforward handling during installation and maintenance.
Degree Of Protection
IP65
Flow Characteristic
P (Non-Linear)
Max Operating Pressure (p, A, B)
315 bar
Max Power Consumption
40 VA
Max Solenoid Current
2.7 A
Max Tank Port Pressure (t)
250 bar
Mounting Interface
ISO 4401-03-02-0-94
Nominal Flow
40 l/min
Nominal Size
NG6
Position Transducer Signal
0 610 V
Solenoid Connector
DIN 43650/ISO 4400 (M16x1.5)
Spool Symbol
C3
Supply Voltage
24 V DC
Transducer Connector
4-pin Pg7
Transducer Type
LVDT (DC/DC)
Weight
2.3 kg
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