303.02.0046 4-circuit protection valve
303.02.0046
Summary
This 4-circuit protection valve features a robust design with Port 1: M22x1,5 and Ports 21-24: M16x1,5. It operates at a pressure of 12 BAR with specific opening pressures (8 to 8.3 BAR) and closing pressures (5.5 BAR) to ensure reliable pneumatic brake system control in heavy commercial vehicles.
| EAN Code | 8683457005259 |
|---|
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Description
The 4-circuit protection valve is a critical component within the pneumatic brake system, designed to manage air distribution and protect the system from pressure drops across multiple circuits. This high-strength component ensures that even if one circuit fails, the remaining circuits maintain sufficient pressure to support safe vehicle operation.
The VADEN ORIGINAL 303.02.0046 is engineered for durability and precision in heavy commercial environments. It features a primary port of M22x1,5 and four secondary ports (21, 22, 23, 24) of M16x1,5. The technical specifications include an operating pressure of 12 BAR, with opening pressures ranging from 8 to 8.3 BAR and a consistent closing pressure of 5.5 BAR across all circuits. 303.02.0046 is the OE equivalent of the standard protection valve used in heavy-duty pneumatic systems.
Maintenance technicians should regularly inspect these valves for any signs of air leakage or irregular pressure fluctuations. Given the precision required for the M22 and M16 threading, ensuring clean and undamaged connections during installation is vital for long-term reliability in the brake system.
When replacing this part, verify that the opening and closing pressure thresholds match your specific vehicle requirements to maintain optimal braking performance.
The VADEN ORIGINAL 303.02.0046 is engineered for durability and precision in heavy commercial environments. It features a primary port of M22x1,5 and four secondary ports (21, 22, 23, 24) of M16x1,5. The technical specifications include an operating pressure of 12 BAR, with opening pressures ranging from 8 to 8.3 BAR and a consistent closing pressure of 5.5 BAR across all circuits. 303.02.0046 is the OE equivalent of the standard protection valve used in heavy-duty pneumatic systems.
Maintenance technicians should regularly inspect these valves for any signs of air leakage or irregular pressure fluctuations. Given the precision required for the M22 and M16 threading, ensuring clean and undamaged connections during installation is vital for long-term reliability in the brake system.
When replacing this part, verify that the opening and closing pressure thresholds match your specific vehicle requirements to maintain optimal braking performance.
Technical Specifications
| Port 1 | M22x1,5 |
|---|---|
| Port 21 | M16x1,5 |
| Port 22 | M16x1,5 |
| Port 23 | M16x1,5 |
| Port 24 | M16x1,5 |
| Operating Pressure | 12 BAR |
| Opening Pressure 21 | 8 BAR |
| Opening Pressure 22 | 8 BAR |
| Opening Pressure 23 | 8,3 BAR |
| Opening Pressure 24 | 8,1 BAR |
| Closing Pressure 21 | 5,5 BAR |
| Closing Pressure 22 | 5,5 BAR |
| Closing Pressure 23 | 5,5 BAR |
| Closing Pressure 24 | 5,5 BAR |
| Pressure | MAX 20 BAR |
Related Products
Repair Kits
FAQ
What is the primary function of this 4-circuit protection valve?
It manages air distribution across four independent circuits within the pneumatic brake system to ensure safety if one circuit loses pressure.
What are the thread specifications for the ports?
The main port (Port 1) is M22x1,5, while the four secondary ports (21, 22, 23, and 24) use M16x1,5 threads.
What are the typical operating pressure thresholds?
The unit operates at a maximum pressure of up to 20 BAR, with a standard operating pressure of 12 BAR and closing pressure at 5.5 BAR.
How can I identify if this part is compatible with my vehicle?
Check your technical documentation for compatibility with M22x1,5 and M16x1,5 port requirements and specific opening pressure settings.
What should a technician look for during replacement?
Ensure all seals are intact and that the ports are free from debris to maintain the integrity of the pneumatic circuits.