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303.02.0055-S Compatible Multi-circuit Protection Valves

303.02.0055-S

Summary

High-strength multi-circuit protection valves designed for heavy commercial vehicle brake systems. These components ensure pneumatic stability and circuit isolation, compatible with Knorr-Bremse systems and other professional braking setups. Equivalent to OE Knorr-Bremse AE4534S.

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Compatible OEM Codes

  • KNORR-BREMSE
    • K001001N50 S
    • AE 4534 S

Description

What does a multi-circuit protection valve do?

This multi-circuit protection valve plays a critical role in the pneumatic brake system of heavy commercial vehicles. It functions by isolating individual circuits in the event of a pressure loss, ensuring that the remaining braking circuits remain pressurized and operational to maintain vehicle safety.

System compatibility and application

These components are specifically engineered for high-stress environments within the braking system. They are compatible with Knorr-Bremse systems and are essential for maintaining the integrity of pneumatic pressure distribution across multiple lines.

Maintenance and installation guidance

For workshop technicians and fleet managers, ensuring correct installation is vital for pneumatic stability. Regular inspection of the valve connections and pressure regulation performance is recommended to prevent system-wide failures during heavy-duty operation.

System performance and reliability

When replacing these valves, it is crucial to verify compatibility with existing pneumatic lines to ensure optimal pressure distribution throughout the vehicle's braking network.

OE cross-reference

303.02.0055-S (Multi-circuit Protection Valves Brake System) is the equivalent of the Knorr-Bremse OE numbers. This part directly replaces Knorr-Bremse OE numbers AE4534S, K001001N50S.

Technical Specifications

Technical Specifications
Sensor-

Other OEMs

KNORR-BREMSE

  • AE4534 S
  • K001001N50 S
  • AE 4534 S

Related Products

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
KNORR-BREMSE

FAQ

What is the function of a multi-circuit protection valve?
The valve isolates specific air brake circuits if a leak occurs, preventing total pressure loss in the entire system.
Which systems are these valves compatible with?
These valves are designed for compatibility with Knorr-Bremse systems within heavy commercial vehicle braking networks.
How can I identify if a protection valve needs replacement?
Technicians should look for signs of pressure drops in specific circuits or visible leaks around the valve body.
Are these valves suitable for heavy commercial vehicles?
Yes, they are engineered using high-strength components specifically for the demands of heavy commercial vehicle air brake systems.
What are the OE reference numbers of this part?
303.02.0055-S directly replaces Knorr-Bremse OE numbers AE4534S, K001001N50S.