303.01.0037 Compatible WABCO Relay Valve
303.01.0037
Summary
This heavy-duty relay valve is designed for brake system reliability. It features 1/2" - 14 NPTF ports (Port 1 and Port 2) and a 1/4" - 18 NPTF Port 4, with a maximum operating pressure of 10.2 BAR. Engineered for high-strength performance in heavy commercial vehicle braking systems. Equivalent to OE WABCO 9730110050.
| EAN Code | 8683457009196 |
|---|
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Compatible OEM Codes
-
WABCO
- 973 011 005 0
Description
What does a relay valve do?
This relay valve plays a critical role in the pneumatic braking system by modulating air pressure to ensure precise braking force. Built with high-strength components, it is designed to withstand the rigorous demands of heavy commercial vehicle operation while maintaining consistent response times.System compatibility
This component is compatible with WABCO systems. It serves as a reliable replacement for braking components in various heavy commercial vehicle applications where pneumatic precision is required.Installation and maintenance
For proper installation, technicians should verify the port configurations: Port 1 and Port 2 feature 1/2" - 14 NPTF threads, while Port 4 utilizes a 1/4" - 18 NPTF connection. Ensure all connections are secure to maintain the maximum operating pressure of 10.2 BAR.Operational limits
Regular inspection of the air lines and connection points is recommended to prevent leaks and ensure the long-term integrity of the braking circuit.OE cross-reference
303.01.0037 (Relay Valve Relay Valves) is the equivalent of the WABCO OE number. This part directly replaces WABCO OE number 9730110050.Technical Specifications
| Port 1 | 1/2" - 14 NPTF |
|---|---|
| Port 2 | 1/2" - 14 NPTF |
| Port 4 | 1/4" - 18 NPTF |
| Pressure | MAX 10.2 BAR |
Other OEMs
WABCO
- 9730110050
- 973 011 005 0
Related Products
Repair Kits
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| WABCO |
FAQ
What is the maximum operating pressure for this valve?
This relay valve is designed to operate at a maximum pressure of 10.2 BAR to ensure safe and efficient pneumatic braking.
What are the port thread specifications?
The unit features two 1/2" - 14 NPTF ports (Port 1 and Port 2) and one 1/4" - 18 NPTF port (Port 4).
Is this compatible with WABCO systems?
Yes, this component is engineered to be compatible with WABCO systems for heavy commercial vehicle braking applications.
What should technicians check during installation?
Technicians should verify that all NPTF port connections are properly seated and that the system does not exceed the 10.2 BAR limit.
What are the OE reference numbers of this part?
303.01.0037 directly replaces WABCO OE number 9730110050.