303.06.0129 Compatible ALB Load Sensing Valve
303.06.0129
Summary
This ALB Load Sensing Valve is engineered for heavy commercial vehicle brake systems, ensuring precise pressure regulation. It features M22x1.5 Voss and M16x1.5 Voss ports, with specific pressure settings including a 7.2 BAR full pressure port 2 and a 6.1 BAR full pressure port 41/42. Compatible with DAF and MAN vehicles. Equivalent to OE DAF 1523975, MAN 81521616395 and WABCO 4757111150.
| EAN Code | 8683457051461 |
|---|
Ready to Order
Compatible OEM Codes
-
WABCO
- 475 711 115 0
-
MAN
- 81.52161-6395
-
DAF
- 1523975
Description
What does an ALB Load Sensing Valve do?
This ALB Load Sensing Valve plays a critical role in the pneumatic brake system by adjusting braking force based on the current vehicle load. By utilizing mechanical or pneumatic signals from the axle or suspension, it ensures that braking performance remains consistent regardless of whether the truck is empty or fully loaded. This component is manufactured from high-strength components to withstand demanding heavy-duty operating conditions.Vehicle and system compatibility
The valve is specifically designed to be compatible with DAF and MAN vehicles, ensuring reliable load-sensitive braking performance. It also functions within systems compatible with WABCO standards, providing an essential solution for maintaining safety in heavy commercial vehicle fleets.Installation and maintenance guidance
Technicians should verify all port connections during installation, noting the M22x1.5 Voss and M16x1.5 Voss thread specifications. Proper maintenance of the sensing arm and checking for air leaks at the ports ensures optimal pressure regulation between the 0.45 BAR empty pressure and the specified full-load thresholds.Maintenance and troubleshooting
Regular inspection of the valve body and sensing mechanism helps prevent uneven braking across axles. For optimal service life, ensure that the pneumatic lines are free of contaminants that could affect the sensitive pressure regulation mechanism.OE cross-reference
303.06.0129 (ALB Load Sensing Valve) is the equivalent of the DAF, MAN and WABCO OE numbers. This part directly replaces DAF OE number 1523975. It also replaces MAN OE number 81521616395 and WABCO OE number 4757111150.Technical Specifications
| Empty Pressure Port 41/42 | 0,45 BAR |
|---|---|
| Empty Pressure Port 2 | 1,6 BAR |
| Full Pressure Port 2 | 7,2 BAR |
| Full Pressure Port 41/42 | 6,1 BAR |
| Port 1 | M22x1,5 Voss |
| Port 2 | M22x1,5 Voss(x2) |
| Port 4 | M16x1,5 Voss |
Other OEMs
DAF
- 1523975
MAN
- 81521616397
- 81521616396
- 81521616395
- 81.52161-6397
- 81.52161-6396
- 81.52161-6395
WABCO
- 4757111150
- 475 711 115 0
Related Products
Repair Kits
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| DAF | |||
| MAN | |||
| WABCO |
FAQ
What is the primary function of this ALB valve?
The ALB valve adjusts the pneumatic brake pressure automatically according to the weight of the load on the vehicle's axle to ensure safe braking.
Which vehicle makes is this valve compatible with?
This component is designed for use in DAF and MAN heavy commercial vehicles and is compatible with WABCO systems.
What are the thread specifications for the ports?
The valve features Port 1 as M22x1.5 Voss, Port 2 as M22x1.5 Voss (x2), and Port 4 as M16x1.5 Voss.
How can I identify if the load sensing valve needs replacement?
Symptoms may include uneven braking performance or inconsistent pressure regulation; technicians should check if pressure reaches the 7.2 BAR full load specification.
What are the OE reference numbers of this part?
303.06.0129 directly replaces DAF OE number 1523975. It also replaces MAN OE number 81521616395 and WABCO OE number 4757111150.