Rexroth 4WEH16D1X/6HG24N9EK4/B10 Valve - Key Parameters

Rexroth 4WEH16D1X/6HG24N9EK4/B10 Valve - FAQ

Q1: How does the 4WEH16 differ from the 4WEH10?

A:​ The main difference is the nominal size. The 4WEH16 has a 16 mm nominal size, indicating larger internal flow paths and a higher rated flow capacity (typically up to 200+ l/min) compared to the 10 mm size. It also uses a larger subplate (ISO 4401-07).

Q2: What is the likely center function of the "D1X" main spool?

A:​ The "D" series spool typically indicates a closed-center function. In the neutral (centered) position, it is likely that all main ports (Pressure P, Actuator ports A & B, and Tank T) are blocked. The exact hydraulic symbol for the D1X variant should be verified in the datasheet.

Q3: How is the valve controlled?

A:​ It is a two-stage valve. A double-solenoid pilot valve ("6HG24N9EK4") is electrically controlled. Energizing one of the 24V DC solenoids on the pilot shifts the main spool. De-energizing both returns the main spool to its center position via springs. The "/B10" suffix typically denotes a specific spring configuration.

Q4: What are the main performance ratings?

A:​ Maximum operating pressure for the main stage is typically 350 bar. The maximum flow rating is significantly higher than smaller valves, often in the range of 200 liters per minute. The valve mounts on an ISO 4401-07 (CETOP 7) interface.

Q5: Where can I find the complete technical data?

A:​ For the full datasheet, including the exact D1X center function, flow vs. pressure drop curves, required pilot pressure, and electrical specifications, consult the official documentation for order code R901531045.