The 4WE10D31B/CG12N9Z5L is a solenoid-operated hydraulic directional control valve designed to manage the flow and direction of hydraulic fluid in industrial and mobile hydraulic systems. It enables precise control of actuators, including hydraulic cylinders and motors, by electrically shifting a spool inside the valve body.

Working Principle

The 4WE10D31B valve directs hydraulic fluid through spool positions controlled by solenoid coils:

• Neutral Position: Depending on the spool configuration, ports may be blocked or connected, maintaining system pressure or allowing free flow.
• Solenoid Energized: Electrical actuation shifts the spool, connecting pressure and actuator ports to control movement.
• Solenoid De-energized: Spring-centered spool returns to the neutral position (for spring-centered designs).

This enables precise control over hydraulic cylinder extension/retraction and motor rotation direction.

Product Features

• Solenoid-operated spool control for fast and reliable actuation
• 4-way, 3-position spool design for flexible hydraulic circuit control
• Compact and modular sandwich plate design
• Smooth hydraulic flow with minimal pressure loss
• High flow capacity suitable for NG10 systems
• Optional manual override for maintenance or emergency operation
• Compatible with standard ISO 4401 / DIN 24340 mounting patterns
• Long service life with durable internal components