The REXROTH 4WRZ 16 E150-74/6EG24N9EK4/M is a heavy-duty industrial proportional directional valve engineered for precise, continuous control of flow direction and magnitude in high-pressure hydraulic systems. As a pilot-operated, two-stage proportional valve with electrical position feedback, it delivers high dynamic response and excellent repeatability for demanding motion control applications.
REXROTH 4WRZ 16 E150-74/6EG24N9EK4/M Technical Specifications
| Valve Type | Proportional Directional Valve, pilot-operated, 2-stage |
| Size | NG16 (CETOP 16 / ISO 4401-07) |
| Nominal Flow | 150 L/min at Δp = 10 bar per land |
| Spool Type | E-type, closed center, progressive flow characteristics |
| Actuation | Proportional solenoid with inductive position feedback |
| Supply Voltage | 24 V DC |
| Electrical Connection | Connector per EN 175301-803, 4-pin |
| Max. Operating Pressure | 350 bar (pilot and main stage) |
| Hydraulic Fluid | Mineral oil per DIN 51524, viscosity 10–800 mm²/s |
| Mounting Pattern | Subplate mounting per ISO 4401-07-04-0-05 |
| Seal Material | NBR (N9) |
| Weight | Approx. 12.5 kg |
Key Engineering Features
- Two-stage pilot-operated design with integrated pilot control valve for high flow capacity and precise main stage positioning.
- Electrical position feedback via inductive displacement transducer for closed-loop control of spool stroke.
- Proportional solenoid with wet-pin armature for low hysteresis and high repeatability.
- Spring-centered main spool with defined fail-safe position in case of power loss.
- Optimized flow characteristics for smooth acceleration and deceleration of actuators.
- Robust cast iron housing and hardened spool for long service life in continuous operation.
Industrial Applications
- Injection molding machines – precise control of clamping, injection, and ejector movements.
- Hydraulic presses – force and position control in forming and stamping processes.
- Steel and metallurgy – continuous casting and rolling mill adjustment systems.
- Machine tools – feed and positioning axes with high dynamic requirements.
- Test rigs and simulation systems – accurate load and motion profiles.
- Offshore and marine – winch and crane control under harsh environmental conditions.
For technical inquiries, dimensional drawings, or replacement support for REXROTH 4WRZ 16 E150-74/6EG24N9EK4/M, contact the Pro-Hydraulic engineering team.
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REXROTH 4WRZ 16 E150-74/6EG24N9EK4/M Proportional Directional Valve
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- Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
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Shop the REXROTH 4WRZ 16 E150-74/6EG24N9EK4/M Proportional Directional Valve. This precision-engineered industrial component delivers reliable performance and tight fluid control for heavy-duty systems.