Bosch Rexroth | 4WRREH6VB12L-1XG24KOB5M
4WRREH6VB12L-1X/G24KO/B5M
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The 4WRREH6VB12L-1X/G24KO/B5M proportional directional valve belongs to the 4WRE Proportional Directional Valves series from Bosch Rexroth and is intended to meter flow and direct hydraulic power in automated machinery. It employs a 4/3-way V spool so that ports P, A, B, and T are switched in three discrete positions for bidirectional actuator control. Nominal size 6 permits installation on NG6 manifolds, and the ISO 4401-03-02-0-94 mounting pattern aligns the pressure and tank galleries without adaptation. Integrated electronics operate from a 24 V DC supply and accept a ±10 V command signal; the high input resistance of 100 kΩ reduces current draw from the motion controller. A corresponding ±10 V DC feedback signal reports spool position to close the control loop, while overall power consumption remains 30 VA, a value used when sizing the electrical cabinet.
The housing carries an IP65 rating, protecting internal parts from dust ingress and low-pressure water jets encountered on factory floors. Electrical wiring is completed through an 11P+PE plug according to DIN 43563-AM6, enabling rapid replacement in service. A linear flow characteristic delivers predictable flow gain across the stroke for stable velocity control. With a 70-bar pressure drop the valve passes 12 L/min, ensuring adequate flow for medium-size cylinders. Ports P, A, and B tolerate working pressures up to 315 bar, and the tank port withstands 100 bar, giving designers flexibility in back-pressure circuits. NBR sealing maintains compatibility with standard mineral oils, and the total weight of 2.5 kg allows the valve to be mounted on compact stacks without additional support.
Technical Specifications
Degree Of Protection
IP65
Electrical Connection
11P+PE Plug (DIN 43563-AM6)
Feedback Signal
±10 V DC
Flow Characteristic
Linear
Input Resistance
100 kΩ
Input Signal
±10 V
Max Tank Port Pressure (t)
100 bar
Max Working Pressure (p,a,b)
315 bar
Mounting Pattern
ISO 4401-03-02-0-94
Nominal Flow (Δp 70 Bar)
12 L/min
Nominal Size
6 (NG6)
Power Consumption
30 VA
Seal Material
NBR
Spool Function
4/3-Way (V)
Supply Voltage (nominal)
24 V DC
Weight
2.5 kg
1620 Old Apex Road
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