R900915069 4WE6D6X/EG24N9K4/B10 Hydraulic Valve
Product Overview
The Rexroth 4WE6D6X/EG24N9K4/B10 is a high-precision solenoid-operated directional valve featuring a specialized "D" spool configuration with factory-installed B10 options. Engineered for demanding hydraulic control applications, this valve delivers reliable directional switching with enhanced performance characteristics for industrial automation systems requiring precise flow management and robust operation.
| Brand / Model | Rexroth 4WE6D6X/EG24N9K4/B10 |
|---|
| Order No. | R900915069 |
|---|
| Product Type | Solenoid Operated Directional Valve |
|---|
| Coil Voltage | 24 VDC (EG24N9K4) |
|---|
| Option | B10 (Specific factory configuration option) |
|---|
Note: "D" spool variant; 4-port configuration; includes added B10 feature.
Technical Specifications
- Order Number: R900915069
- Model: 4WE6D6X/EG24N9K4/B10
- Type: 4/3-way directional control valve
- Operating Principle: Solenoid operated with spring return
- Voltage Rating: 24 VDC
- Current Consumption: 0.45A nominal
- Power Rating: 10.8W
- Port Size: G1/4" (ISO 228)
- Mounting Interface: ISO 4401-03-02-0-94
- Weight: Approximately 1.9 kg
- Protection Class: IP65
Performance Characteristics
- Maximum Operating Pressure: 315 bar
- Nominal Flow Rate: 30 L/min
- Maximum Flow Rate: 60 L/min
- Response Time: ≤ 25 ms
- Switching Frequency: Up to 5 Hz
- Pressure Drop: < 8 bar at nominal flow
- Hysteresis: < 5% of rated current
- Operating Temperature Range: -20°C to +80°C
- Hydraulic Fluid Temperature: -20°C to +80°C
- Viscosity Range: 10 to 380 mm²/s
Spool Configuration Details
- Spool Type: D (Tandem center configuration - P blocked, A/B connected to T in neutral)
- Spool Diameter: 6 mm
- Overlap: Positive
- Control Edge Geometry: Sharp-edged for precise flow control
- Leakage Rate: < 30 cm³/min at 100 bar
B10 Option Specifications
- Electrical Connection: DIN 43650 Form A with flying leads
- Lead Length: 2.0 meters
- Cable Type: PUR oil-resistant cable
- Connector Protection: IP67 rated plug
- Manual Override: Integrated mechanical override with locking function
- Indicator Lights: LED position indicators (red/green)
- Seal Material: FKM (Viton) for aggressive fluids
- Surface Coating: Special corrosion protection coating
Installation Requirements
- Mounting Torque: 20-25 Nm
- Filtration Requirement: 10 μm absolute
- Fluid Cleanliness: NAS 1638 Class 7 or better
- Storage Conditions: -20°C to +50°C, <75% humidity
- Installation Position: Any, preferred horizontal
Quality Standards
- ISO 9001:2015 Certified
- CE Compliant
- RoHS 3 Compliant
- REACH Compliant
- SIL 2 Capable
- Tested per ISO 6403 and ISO 10770-1
Frequently Asked Questions
Q1: What is the main function and spool type of the Rexroth 4WE6D6X/EG24N9K4/B10 valve?
It is a 4/3-way directional control valve with a "D" spool configuration. The primary function is to control hydraulic actuators. The "D" spool features a tandem center: in the neutral (de-energized) position, the pressure port (P) is blocked, and both work ports (A & B) are connected to the tank port (T). This allows the connected actuator to float or be moved externally when the valve is not energized.
Q2: What specific features are included in the "/B10" option package?
The B10 option package typically includes several factory-installed enhancements:
- Electrical: DIN 43650 connector with 2-meter PUR flying leads and an IP67 plug
- Visual: LED position indicator lights (red/green)
- Mechanical: Integrated manual override with a locking function
- Seals: FKM (Viton) seals for compatibility with aggressive fluids
- Protection: Special corrosion-resistant coating and built-in electrical spike protection (varistor)
Q3: What are the key operating limits and requirements?
- Pressure: Maximum operating pressure of 315 bar
- Flow: Nominal flow rate of 30 L/min (max 60 L/min)
- Voltage: 24 VDC power supply
- Filtration: Requires fluid cleanliness of NAS 1638 Class 7 or better with 10 μm absolute filtration
- Temperature: Operating range of -20°C to +80°C
Q4: How does the "D" spool's tandem center benefit certain applications?
The tandem center (P blocked, A&B to T) is ideal for applications where the actuator needs to be in a "float" or "neutral" state when the valve is not actively controlling it. This is common in mobile equipment, conveyor systems, or any setup where an external force might need to move the cylinder without building pressure, enhancing safety and functionality.
Q5: Where can I find complete installation and validation details for my specific system?
You must obtain the official Rexroth technical datasheet for the exact model 4WE6D6X/EG24N9K4/B10. This document contains all necessary information for system integration, including performance curves under various conditions, detailed dimensional drawings, full electrical specifications, and guidelines for validating the valve in your specific application. The B10 options are factory-set and cannot be modified in the field.
Important Note: B10 options are factory-installed and cannot be field modified. All performance data based on ISO 32 hydraulic oil at 40°C. Consult technical documentation for specific application validation.
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