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303.02.0048 4-circuit protection valve

303.02.0048

Summary

●Port 1: M22x1,5 ●Port 21: M16x1,5 ●Port 22: M16x1,5 ●Port 23: M16x1,5 ●Port 24: M16x1,5 ●Operating Pressure: 13 BAR ●Opening Pressure 21/22/23/24: 6,6 BAR ●Closing Pressure 21/22/23/24: 4,5 BAR ●Max Pressure: 20 BAR

EAN Code8683457005273
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Compatible OEM Codes

  • KNORR-BREMSE AE 4642
  • IVECO 42530050

Description

This high-strength component serves as a critical element within the pneumatic brake system, ensuring the precise distribution and protection of air circuits. Designed for heavy commercial vehicle applications, it maintains system stability through calibrated pressure regulation across multiple ports. The robust construction ensures reliability under demanding operating conditions within the brake system architecture.

The 303.2.0048 is the OE equivalent of the IVECO 42530050 and KNORR-BREMSE AE4642 used in heavy commercial vehicle systems. This specific unit features a primary port of M22x1,5 and four secondary ports of M16x1,5, designed to operate at a standard pressure of 13 BAR with a maximum threshold of 20 BAR. It is engineered to meet the strict requirements of professional workshop technicians and fleet managers.

Installation should be performed by qualified workshop technicians to ensure the integrity of the pneumatic circuits. Regular inspection of the connection points and pressure relief values is recommended to maintain optimal braking performance. The precision-engineered ports ensure a secure fit within the existing brake assembly.

The component is fully compatible with IVECO systems and KNORR-BREMSE hardware to provide seamless integration during routine maintenance or heavy-duty repairs.

Technical Specifications

Port 1M22x1,5
Port 21M16x1,5
Port 22M16x1,5
Port 23M16x1,5
Port 24M16x1,5
Operating Pressure13 BAR
Opening Pressure 216,6 BAR
Opening Pressure 226,6 BAR
Opening Pressure 236,6 BAR
Opening Pressure 246,6 BAR
Closing Pressure 214,5 BAR
Closing Pressure 224,5 BAR
Closing Pressure 234,5 BAR
Closing Pressure 244,5 BAR
PressureMAX 20 BAR

Other OEMs

IVECO

  • 42530050

KNORR-BREMSE

  • AE4642
  • AE 4642

Related Products

Vehicles Used

BrandModelModel TypeEngine
IVECO
KNORR-BREMSE

FAQ

What are the primary technical specifications for this valve?
The valve features a main port of M22x1,5 and four auxiliary ports of M16x1,5, with an operating pressure of 13 BAR and a maximum capacity of 20 BAR.
Which OEM reference numbers are compatible with this part?
This product is compatible with IVECO 42530050 and KNORR-BREMSE AE4642.
What is the function of this 4-circuit protection valve?
It manages air pressure distribution across four independent circuits to ensure braking stability and protect the system from pressure fluctuations.
Can this part be used in heavy commercial vehicles?
Yes, it is specifically designed for heavy commercial vehicle brake systems requiring high-strength component reliability.
What are the opening and closing pressure settings?
The opening pressure for all four circuits is set at 6,6 BAR, while the closing pressure for each circuit is 4,5 BAR.