REXROTH Proportional Directional Hydraulic Valve
Product Models
4WRA6EA30-2X/G24N9K4/V
4WRA6EA15-2X/G24N9K4/V
4WRA6EA10-1X/24NK4/M
4WRA6E20-1X/24NK4/MR
4WRA6E10-1X/24NK4/MR
Product Specifiions
| Attribute |
Value |
| Processing & Customization |
Yes |
| Type |
Proportional valve |
| Material |
Cast steel |
| Brand |
REXROTH |
| Scope of Appliion |
Hydraulic system |
| Applicable Medium |
Oil products |
| Applicable Temperature |
Normal temperature (℃) |
| Nominal Pressure |
Normal pressure (MPa) |
| Nominal Diameter |
6-way diameter (mm) |
| Installation type |
Threaded installation |
| Operating Temperature |
Room temperature |
| Type (channel loion) |
Straight through type |
Additional Model Variants
4WRA6E20-1X/24NZ4/V
4WRA6E20-1X/24NJ/M
4WRA6EA20-1X/24NZ4/V
4WRA6E05-1X/24N9Z4/M
4WRA6EA05-1X/24Z4/M
(Full list of 100+ model variants available)
Technical FAQ
Amplifier Requirements
- 4WRA: Requires external amplifier to function
- 4WRAE: Features Integrated OnBoard Electronics (OBE)
Model Number Interpretation
- 4WRA: Series designation for proportional directional valve without OBE
- 6: Nominal size (06)
- W/E/EA: Spool type defining flow characteristics
- 07/15/30: Nominal flow rate in liters per minute
- 2X: Component series (20-29)
- G24: Supply voltage (24 V DC)
- K4/K31: Electrical connection type
- V: Seal material (FKM for mineral oil)
Key Technical Specifiions
- Maximum Operating Pressure: Up to 350 bar
- Maximum Flow: Varies with model (up to 42 L/min)
- Recommended Fluid Cleanliness: ISO 4406 20/18/15
- Voltage: 24 V DC
Common Appliions
- Plastic injection molding machines
- Presses and bending machines
- Mobile equipment
- Industrial automation systems
Troubleshooting
- Valve not shifting: Check solenoid coil, power supply
- Internal leakage: Worn spool or seals
- Valve sticking: Contamination or lubriion issues
- Excessive noise: Vibration or voltage issues
- No function: Check amplifier, wiring
Maintenance Requirements
- Regularly check solenoid coils and valve spool
- Maintain fluid cleanliness
- Inspect electrical connections and seals
Note: For specific technical details or troubleshooting, refer to official REXROTH documentation or contact a certified supplier.