4WE6G6X/EG24N9K4 Rexroth Solenoid Directional Valve

Model Number	4WE6A6X/EG24N9K4, 4WE6E60/EG24N9K4, 4WE6G6X/EG24N9K4, 4WE6JB6X/EG24N9K4

Product Description

Product Overview

The 4WE6G6X/EG24N9K4, 4WE6JB6X/EG24N9K4, 4WE6A6X/EG24N9K4 and 4WE6E60/EG24N9K4 are Bosch Rexroth 4WE6 series direct-operated solenoid directional valves. Featuring wet-pin solenoids with spring centering or return, they control the start, stop and direction of hydraulic flow. Size NG6, maximum operating pressure 350 bar and maximum flow 80 L/min (DC). Fully compliant with ISO 4401-03 mounting standards, these valves offer true interchangeability as drop-in replacements for original Rexroth units without manifold modifications. Every valve undergoes precision machining and 100% simulated duty-cycle testing to ensure reliable shifting, low leakage and long service life. The series also includes 4WE4 and 4WE10 sizes.

Technical Specifications

Model: 4WE6G6X/EG24N9K4 / 4WE6JB6X/EG24N9K4 / 4WE6A6X/EG24N9K4 / 4WE6E60/EG24N9K4 (Bosch Rexroth 4WE6 Series)
Nominal Size: NG6 (ISO 4401-03-02-0-05)
Spool Symbol: G / JB / A / E (3-position or 2-position)
Maximum Operating Pressure: Ports P, A, B 350 bar; Port T 210 bar (DC)
Maximum Flow: 80 L/min (DC)
Actuation: Wet-pin solenoid (direct operated)
Supply Voltage: 24 V DC (EG24)
Electrical Connection: K4 (DIN EN 175301-803)
Manual Override: N9 (with protected manual actuation)
Seal Material: NBR (standard)
Weight: Approx. 1.45 kg (single solenoid) / 1.95 kg (dual solenoid)
Installation Position: Any

Key Technical Advantages:

Wet-pin solenoid design – Coils can be replaced under pressure, providing low temperature rise, extended life and good environmental protection.
High-pressure high-flow capability – 350 bar operating pressure and 80 L/min flow meet the majority of industrial hydraulic requirements.
True interchangeability and standard interfaces – Fully compliant with ISO 4401 NG6 mounting pattern, enabling direct replacement of original Rexroth valves and minimizing modification costs.
Precision machining and reliable spring return – High-accuracy spool fit ensures dependable shifting, verified by 100% duty-cycle testing.

Application Areas:

Ideal for injection molding machines, die-casting equipment, machine tools, hydraulic power units, mobile machinery, metallurgical plants and any industrial hydraulic system requiring reliable directional control.

Expert Maintenance Tips:

Ensure the manifold surface is flat and clean and tighten bolts to the specified torque; confirm voltage match and proper earthing before wiring; maintain fluid cleanliness at ISO 4406 20/18/15 or better; periodically check solenoid temperature rise and shifting action; after prolonged storage, energize the valve to verify free spool movement.

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