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303.02.0026 KNORR-BREMSE Multi-circuit Protection Valve

303.02.0026

Summary

The 303.02.0026 is a specialized Multi-circuit Protection Valve featuring Port 1: M16x1,5 and multiple M22x1,5 VOSS ports (21-26), plus M12x1,5 ports (27-28). It is designed for high-pressure stability with opening pressures of 9 BAR (21/22) and 7,5 BAR (23/24). Compatible with KNORR-BREMSE and Mercedes-Benz systems.

EAN Code8699031080871
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Compatible OEM Codes

  • KNORR-BREMSE K009830 AE 4802
  • MERCEDES BENZ 002 431 96 06

Description

The Multi-circuit Protection Valve is a critical component within the pneumatic brake system, ensuring pressure distribution and circuit safety across heavy commercial vehicles. This component manages complex air distribution to maintain optimal braking performance under varying load conditions.

The 303.02.0026 is the OE equivalent of the KNORR-BREMSE AE4802 and K009830 used in KNORR-BREMSE and MERCEDES BENZ systems. This high-strength component features specific port configurations including M16x1,5 and M22x1,5 VOSS connections to ensure precise fitment and reliability in heavy-duty applications.

Technical specifications include an opening pressure of 9 BAR for ports 21/22 and 7,5 BAR for ports 23/24, with a closing pressure of 6 BAR for both circuits. Maintenance technicians should verify all port seals and the 5 V pressure sensor connection during installation to ensure full system integrity.

This part is engineered to meet rigorous industrial standards, providing a reliable solution for fleet maintenance and workshop repairs in the heavy commercial vehicle sector.

Technical Specifications

Port 1M16x1,5
Port 21M22x1,5 VOSS
Port 22M22x1,5 VOSS
Port 23M22x1,5 VOSS
Port 24M22x1,5 VOSS
Port 25M22x1,5 VOSS
Port 26M22x1,5 VOSS
Opening Pressure 21/229 BAR
Opening Pressure 23/247,5 BAR
Closing Pressure 21/226 BAR
Closing Pressure 23/246 BAR
Pressure sensor5 V
Port 27M12x1,5
Port 28M12x1,5

Other OEMs

KNORR-BREMSE

  • AE4802
  • K009830
  • AE 4802

MERCEDES BENZ

  • A0024319606
  • 002 431 96 06

Related Products

Vehicles Used

BrandModelModel TypeEngine
KNORR-BREMSE
MERCEDES BENZ

FAQ

What are the compatible OEM references for this valve?
This component is compatible with the following OE numbers: AE4802, K009830, 0024319606.
Which vehicle brands is this part compatible with?
This multi-circuit protection valve is designed for use in systems from KNORR-BREMSE and MERCEDES BENZ.
What are the pressure specifications for the ports?
The opening pressure for ports 21/22 is 9 BAR, while ports 23/24 operate at an opening pressure of 7,5 BAR.
Does this part include a pressure sensor connection?
Yes, the component is designed to work with a 5 V pressure sensor system.
What type of connection ports does this valve use?
The valve features a variety of specialized ports including M16x1,5 and several M22x1,5 VOSS connections for robust integration.