303.06.0017 ALB Load Sensing Valve for WABCO systems
303.06.0017
Summary
This ALB Load Sensing Valve is designed for heavy commercial vehicle brake systems, ensuring precise pressure regulation. It features M22x1.5 and M16x1.5 ports, providing high-strength component reliability for demanding braking applications. Compatible with WABCO systems. Equivalent to OE WABCO 4757145120.
| EAN Code | 8683457010161 |
|---|
Ready to Order
Compatible OEM Codes
-
WABCO
- 475 714 512 0
Description
What does an ALB Load Sensing Valve do?
This ALB Load Sensing Valve plays a critical role in the pneumatic braking system of heavy commercial vehicles by regulating brake pressure based on the load applied to the axle. By managing the air pressure distribution, it ensures stable braking performance and prevents wheel lock-up under varying weight conditions. This component is manufactured using heavy-duty grade materials to withstand constant pressure fluctuations.System compatibility and application
The valve is engineered for seamless integration within professional braking circuits. It is compatible with WABCO systems and maintains high durability under intense mechanical stress. The design focuses on precision pressure modulation to support the safety requirements of heavy-duty transport fleets.Installation and maintenance guidance
For professional installation, technicians should verify all port connections, specifically the M22x1.5, M16x1.5, and M12x1.5 fittings. Proper calibration of the pressure ports—ranging from 3 BAR to 8 BAR depending on the configuration—is essential for correct load sensing functionality. Regular inspection of the port seals is recommended to prevent pneumatic leaks.Pressure regulation and troubleshooting
Maintaining correct pressure settings in ports 41 and 42 ensures the valve responds accurately to vehicle weight changes. When replacing this component, ensure the system is fully depressurized to avoid sudden air release during the installation process.OE cross-reference
303.06.0017 (ALB Load Sensing Valve) is the equivalent of the WABCO OE number. This part directly replaces WABCO OE number 4757145120.Technical Specifications
| Port 1 | M22x1,5 |
|---|---|
| Port 2 | M16x1,5 (x2) |
| Port 4 | M22x1,5 |
| Port 41 | M12x1,5 |
| Port 42 | M12x1,5 |
| Empty Pressure Port 41 | 3 BAR |
| Empty Pressure Port 42 | 3 BAR |
| Full Pressure Port 41 | 7 BAR |
| Full Pressure Port 42 | 7 BAR |
| Empty Pressure Port 2 | 5,5 BAR |
| Full Pressure Port 2 | 8 BAR |
| Port 43 | M16x1,5 |
Other OEMs
WABCO
- 4757145120
- 475 714 512 0
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| WABCO |
FAQ
What is the primary function of an ALB Load Sensing Valve?
It regulates the air pressure delivered to the brake chambers based on the load on the axle, ensuring balanced braking force regardless of vehicle weight.
Which systems is this valve compatible with?
This specific valve is designed to be compatible with WABCO systems used in heavy commercial vehicle braking circuits.
What are the common port specifications for this component?
The unit features various connections including M22x1.5, M16x1.5, and M12x1.5 ports to accommodate standard heavy-duty pneumatic configurations.
How can I identify if a load sensing valve needs replacement?
Technicians should look for symptoms like uneven braking, dragging brakes, or inconsistent pressure readings across different axle loads.
What are the OE reference numbers of this part?
303.06.0017 directly replaces WABCO OE number 4757145120.