Bosch Rexroth | 4WRPEH6C4B12L-2XG24K0B5M
4WRPEH6C4B12L-2X/G24K0/B5M
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The 4WRPEH6C4B12L-2X/G24K0/B5M valve belongs to the 4WRP Solenoid Valves series and is manufactured by Bosch Rexroth for closed-loop hydraulic automation. It controls actuator flow with integrated OBE electronics that operate on a 24 V DC supply, removing the need for a separate amplifier. A 7-pin EN 175201-804 connector (K0) delivers power and command signals through a single plug. The nominal size 6 (NG6) interface keeps the unit compact while still tolerating a maximum operating pressure of 315 bar for medium-pressure circuits. Under a 70 bar pressure drop the valve passes 12 l/min, providing a clear sizing point for hydraulic designers. Its linear flow characteristic produces a proportional relationship between spool position and flow rate, which simplifies controller tuning during machine cycles.
The valve mounts to manifolds using the ISO 4401-03-02-0-94 porting pattern, so installation and replacement follow common shop practices. Spool travel is monitored by an inductive position transducer located on side B, allowing the onboard electronics to correct deviations in real time. NBR seals contain mineral oil grades HL and HLP without swelling, preserving service life in standard power units. The internal C4 spool configuration establishes the flow paths needed for bidirectional cylinder control and maintains predictable response when loads reverse.
Technical Specifications
Electrical Connector
EN 175201-804, 7-pin (K0)
Electronics
Integrated OBE
Flow Characteristic
Linear (L)
Hydraulic Fluid
Mineral Oil (HL, HLP)
Max Operating Pressure
315 bar
Nominal Flow (Δp=70 Bar)
12 l/min
Nominal Size
6 (NG6)
Porting Pattern
ISO 4401-03-02-0-94
Position Transducer
Inductive
Seal Material
NBR (M)
Spool Symbol
C4
Supply Voltage
24 V DC
Transducer Side
B
1620 Old Apex Road
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