Bosch Rexroth | 4WRPH6C4B12L-2XG24Z4M
4WRPH6C4B12L-2X/G24Z4/M
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The 4WRPH6C4B12L-2X/G24Z4/M hydraulic solenoid valve is part of the 4WRP Solenoid Valves series from Bosch Rexroth. It modulates flow in automated circuits by shifting a C4 spool profile to meter oil between the pressure and work ports. A nominal size of NG6 fits common sandwich manifolds without demanding large mounting surfaces. The ISO 4401-03-02-0-94 mounting pattern aligns the body with standardized port galleries for straightforward block assembly. A nominal flow of 12 l/min supports medium-duty actuator speeds while keeping energy losses moderate. The linear flow characteristic provides proportional volume change with spool travel, which simplifies closed-loop position or speed control. Maximum hysteresis is limited to 0.2 %, so repeatability remains high when the signal cycles around the same command point. Cleanliness class 18/16/13 per ISO 4406 is required to protect the precision land-and-groove geometry from wear and sticking during continuous operation.
Electrical data are matched to common machine power rails; the coil is energized with 24 V DC, draws up to 2.7 A, and has a cold resistance of 2.5 Ω, allowing direct drive by most servo amplifiers without additional dropping resistors. Wet-armature construction tolerates system pressures up to 315 bar at ports P, A, and B, while the tank port withstands 250 bar, ensuring compatibility with high-pressure supply lines. An IP65 enclosure rating guards the coil and internal wiring against dust and low-pressure water jets, supporting installation on exposed machinery. NBR seals keep mineral hydraulic oil contained and resist common additives found in industrial fluids. The DIN 43650 / ISO 4400 three-pin connector simplifies field wiring and enables quick coil replacement when service is required. Total mass is 2.3 kg, which permits manual handling during manifold installation without special lifting tools.
Technical Specifications
Cleanliness Class
18/16/13 (ISO 4406)
Coil Resistance (20 °c)
2.5 Ω
Degree Of Protection
IP65
Flow Characteristic
Linear (L)
Hysteresis (max)
0.2%
Max Pressure (p, A, B)
315 bar
Max Pressure (t)
250 bar
Max Solenoid Current
2.7 A
Mounting Pattern
ISO 4401-03-02-0-94
Nominal Flow
12 l/min
Nominal Size
6 (NG6)
Seal Material
NBR
Solenoid Connector
DIN 43650/ISO 4400 (2P+PE)
Spool Symbol
C4
Supply Voltage
24 V DC
Weight
2.3 kg
1620 Old Apex Road
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