303.01.0041 WABCO Compatible Relay Valve
303.01.0041
Summary
This high-strength relay valve is designed for heavy commercial vehicle brake systems. It features specialized M22x1.5 VOSS and M16x1.5 VOSS ports and supports a maximum operating pressure of 12 BAR to ensure reliable pneumatic control in demanding environments. Equivalent to OE WABCO 9730112020.
| EAN Code | 8683457009233 |
|---|
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Compatible OEM Codes
-
WABCO
- 973 011 202 0
Description
What does a relay valve do?
This relay valve serves as a critical component within the pneumatic brake system, managing air pressure distribution to ensure precise braking performance. Built with high-strength components, it maintains consistent pressure regulation even under heavy-duty operating conditions.System compatibility
Designed to be compatible with WABCO systems, this unit is engineered for heavy commercial vehicle applications. It integrates seamlessly into existing pneumatic circuits to maintain system integrity and response times.Installation and maintenance
Installation and maintenance should focus on the connection points, specifically the M22x1.5 VOSS port and the M16x1.5 VOSS ports. Technicians should verify all connections to ensure they meet the maximum 12 BAR pressure requirement to prevent leaks or system failure.Operational guidance
Regular inspection of the valve housing and port seals is recommended to ensure optimal pneumatic performance across all service cycles.OE cross-reference
303.01.0041 (Relay Valve Relay Valves) is the equivalent of the WABCO OE number. This part directly replaces WABCO OE number 9730112020.Technical Specifications
| Port 1 | M22x1,5 VOSS |
|---|---|
| Port 21 | M16x1,5 VOSS |
| Port 22 | M16x1,5 VOSS |
| Port 41 | M16x1,5 VOSS |
| Port 42 | M16x1,5 VOSS |
| Pressure | MAX 12 BAR |
Other OEMs
WABCO
- 9730112020
- 973 011 202 0
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| WABCO |
FAQ
What is the maximum pressure rating for this relay valve?
This component is designed to operate safely with a maximum pressure of 12 BAR within the pneumatic system.
Which port sizes are used on this component?
The unit features one M22x1.5 VOSS port and several M16x1.5 VOSS ports for various connection points.
Is this part compatible with WABCO systems?
Yes, this relay valve is designed to be compatible with WABCO systems in heavy commercial vehicle applications.
What should technicians check during installation?
Technicians should ensure all VOSS ports are correctly seated and that the system does not exceed the 12 BAR limit.
What are the OE reference numbers of this part?
303.01.0041 directly replaces WABCO OE number 9730112020.