303.02.0080 4-circuit protection valve
303.02.0080
Summary
This high-strength 4-circuit protection valve features Port 1: M22x1,5 and Ports 21-24: M16x1,5. It operates with an opening pressure of 7 BAR and a closing pressure of 4,5 BAR across all circuits. Designed for KNORR-BREMSE systems to ensure reliable pneumatic brake control.
| EAN Code | 8683457009394 |
|---|
Ready to Order
Compatible OEM Codes
- KNORR-BREMSE AE 4186
Description
The pneumatic brake system relies on precise pressure regulation to ensure safety and performance. This 4-circuit protection valve is engineered to manage air distribution across multiple circuits, providing essential stability within the braking architecture of heavy commercial vehicles.
This product is the OE equivalent of the KNORR-BREMSE AE4186 used in compatible systems. It features a specialized configuration with one M22x1,5 port and four M16x1,5 ports. Each circuit is designed with a consistent opening pressure of 7 BAR and a closing pressure of 4,5 BAR to maintain optimal system integrity.
For workshop technicians performing maintenance or repairs, this component ensures reliable circuit isolation during pressure fluctuations. It is essential for maintaining the functional safety of the pneumatic braking system in professional fleet environments.
The component is specifically designed to meet the rigorous demands of heavy-duty service requirements. Proper installation and regular inspection of the port connections and pressure thresholds are recommended to ensure long-term operational reliability.
This product is the OE equivalent of the KNORR-BREMSE AE4186 used in compatible systems. It features a specialized configuration with one M22x1,5 port and four M16x1,5 ports. Each circuit is designed with a consistent opening pressure of 7 BAR and a closing pressure of 4,5 BAR to maintain optimal system integrity.
For workshop technicians performing maintenance or repairs, this component ensures reliable circuit isolation during pressure fluctuations. It is essential for maintaining the functional safety of the pneumatic braking system in professional fleet environments.
The component is specifically designed to meet the rigorous demands of heavy-duty service requirements. Proper installation and regular inspection of the port connections and pressure thresholds are recommended to ensure long-term operational reliability.
Technical Specifications
| Port 1 | M22x1,5 |
|---|---|
| Port 21 | M16x1,5 |
| Port 22 | M16x1,5 |
| Port 23 | M16x1,5 |
| Port 24 | M16x1,5 |
| Opening Pressure 21 | 7 BAR |
| Opening Pressure 22 | 7 BAR |
| Opening Pressure 23 | 7 BAR |
| Opening Pressure 24 | 7 BAR |
| Closing Pressure 21 | 4,5 BAR |
| Closing Pressure 22 | 4,5 BAR |
| Closing Pressure 23 | 4,5 BAR |
| Closing Pressure 24 | 4,5 BAR |
Other OEMs
KNORR-BREMSE
- AE4186
- AE 4186
Related Products
Repair Kits
Vehicles Used
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| KNORR-BREMSE |
FAQ
What is the function of this 4-circuit protection valve?
It manages and protects multiple air circuits within a vehicle's braking system, ensuring that air pressure is distributed correctly even if one circuit fails.
Which OEM numbers is this part compatible with?
This part is compatible with the following OEM reference: AE4186.
What are the technical port specifications?
The valve features one M22x1,5 port (Port 1) and four M16x1,5 ports (Ports 21, 22, 23, and 24).
What are the operating pressure thresholds?
The device is designed with an opening pressure of 7 BAR and a closing pressure of 4,5 BAR for all four circuits.
Is this part suitable for heavy commercial vehicles?
Yes, this component is designed for high-strength performance within heavy commercial vehicle pneumatic braking systems.