303.02.0025 KNORR-BREMSE Multi-circuit Protection Valve
303.02.0025
Summary
This high-strength Multi-circuit Protection Valve features Port 1: M16x1,5 and multiple M22x1,5 VOSS ports (Ports 21-26) plus M12x1,5 ports (Ports 27-28). It is a critical component for KNORR-BREMSE braking systems, designed with precise opening pressures of 9 BAR and 7.5 BAR to ensure reliable pneumatic circuit protection.
| EAN Code | 8699031080864 |
|---|
Ready to Order
Compatible OEM Codes
- KNORR-BREMSE K014440 AE 4804
Description
This multi-circuit protection valve is a vital component within the pneumatic brake system, designed to manage pressure distribution across different circuits to ensure safety and reliability. It serves as a critical safeguard for heavy commercial vehicle braking operations.
The 303.02.0025 is the OE equivalent of the KNORR-BREMSE AE4804 and K014440 used in professional braking systems. This component is engineered for high compatibility with KNORR-BREMSE hardware, ensuring precise pressure regulation at the required opening thresholds of 9 BAR and 7.5 BAR.
Technicians should note the specific port configurations, including the M16x1,5 primary port and various M22x1,5 VOSS connections, to ensure correct installation during maintenance or repair cycles. Proper handling of the port threads is essential for maintaining system integrity.
Regular inspection of the valve and its connections helps maintain optimal pneumatic performance in heavy commercial vehicles. This part ensures that pressure differentials are handled correctly across all active circuits.
The 303.02.0025 is the OE equivalent of the KNORR-BREMSE AE4804 and K014440 used in professional braking systems. This component is engineered for high compatibility with KNORR-BREMSE hardware, ensuring precise pressure regulation at the required opening thresholds of 9 BAR and 7.5 BAR.
Technicians should note the specific port configurations, including the M16x1,5 primary port and various M22x1,5 VOSS connections, to ensure correct installation during maintenance or repair cycles. Proper handling of the port threads is essential for maintaining system integrity.
Regular inspection of the valve and its connections helps maintain optimal pneumatic performance in heavy commercial vehicles. This part ensures that pressure differentials are handled correctly across all active circuits.
Technical Specifications
| Port 1 | M16x1,5 |
|---|---|
| Port 21 | M22x1,5 VOSS |
| Port 22 | M22x1,5 VOSS |
| Port 23 | M22x1,5 VOSS |
| Port 24 | M22x1,5 VOSS |
| Port 25 | M22x1,5 VOSS |
| Port 26 | M22x1,5 VOSS |
| Opening Pressure 21/22 | 9 BAR |
| Opening Pressure 23/24 | 7,5 BAR |
| Closing Pressure 21/22 | 6 BAR |
| Closing Pressure 23/24 | 4,5 BAR |
| Port 27 | M12x1,5 |
| Port 28 | M12x1,5 |
Other OEMs
KNORR-BREMSE
- AE4804
- K014440
- AE 4804
Related Products
Repair Kits
Products Used in
Vehicles Used
| Brand | Model | Model Type | Engine |
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| KNORR-BREMSE | |||
| KNORR-BREMSE | |||
| KNORR-BREMSE | |||
| KNORR-BREMSE | |||
| KNORR-BREMSE | |||
| KNORR-BREMSE | |||
| KNORR-BREMSE | |||
| KNORR-BREMSE |
FAQ
What are the compatible OEM reference numbers for this part?
This product is compatible with KNORR-BREMSE systems, specifically referencing OE codes AE4804 and K014440.
What are the technical pressure specifications for this valve?
The valve features opening pressures of 9 BAR for circuits 21/22 and 7.5 BAR for circuits 23/24, with closing pressures of 6 BAR and 4.5 BAR respectively.
What type of connections does this multi-circuit protection valve use?
The unit utilizes a Port 1 M16x1,5 connection, several M22x1,5 VOSS ports (Ports 21 through 26), and M12x1,5 ports (Ports 27 and 28).
Is this part suitable for heavy commercial vehicles?
Yes, this component is designed specifically for the brake systems of heavy commercial vehicles and compatible KNORR-BREMSE hardware.
How can I identify if this valve needs replacement?
Technicians should monitor for irregular pressure drops in the pneumatic circuits or failures in meeting the specified opening/closing pressure thresholds.