Bosch Rexroth 4WE6J51 AW120-60NZ4ALV Hydraulic Directional Valve

Description:

The Rexroth 4WE6J51/AW120-60NZ4ALV Hydraulic Directional Valve is a direct-operated solenoid spool valve used in hydraulic systems to control the direction, start, and stop of fluid flow. Commonly installed in hydraulic power units, CNC machines, injection molding machines, material handling equipment, and industrial automation systems where precise hydraulic flow control is required. Maintenance teams, OEMs, and system integrators use this valve for hydraulic system repairs, machine retrofits, equipment upgrades, and replacement of existing directional control valves.

Applications:

The Rexroth 4WE6J51/AW120-60NZ4ALV Hydraulic Directional Valve is designed for industrial hydraulic applications requiring compact, reliable directional control. It is commonly used in hydraulic presses, CNC machinery, mobile equipment, factory automation systems, and hydraulic power packs where solenoid actuation provides precise control of hydraulic cylinders and actuators. The valve conforms to the NG6 / CETOP 3 mounting standard, making it compatible with a wide range of manifolds and subplates used in industrial hydraulic systems.

Technical Specifications:

• Manufacturer: Bosch Rexroth
• Model / Part Number: 4WE6J51/AW120-60NZ4ALV
• Product Type: Hydraulic Directional Control Valve
• Series: WE6 / 6X
• Valve Type: Direct-Operated Solenoid Directional Spool Valve
• Spool Configuration: J51
• Number of Ways: 4-Way
• Number of Positions: 3-Position
• Nominal Size: NG6 / CETOP 3 / ISO 4401-03
• Actuation: Dual Solenoid
• Solenoid Voltage: 120 VAC, 50/60 Hz
• Mounting Pattern: ISO 4401-03-02-0-05 / NFPA D03
• Maximum Operating Pressure: 350 bar (5,076 PSI)
• Maximum Flow Rate: 80 L/min (21 GPM)
• Hydraulic Fluid: Mineral oil HLP per DIN 51524 and compatible fluids
• Viscosity Range: 10 to 500 cSt
• Ambient Temperature Range: -30°C to +50°C
• Features: Wet-pin solenoids, removable coils, optional manual override
• Application Environment: Industrial hydraulics, machine tools, material handling, and factory automation systems

Common Replacements:

• Rexroth 4WE6J62/EG24N9K4 Hydraulic Directional Valve
• Yuken DSG-03-3C2 Hydraulic Directional Valve
• Parker D1VW Series Hydraulic Directional Valve