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303.01.0028 Relay Valve for Neoplan

303.01.0028

Summary

This relay valve is engineered for heavy commercial vehicle brake systems, specifically compatible with Neoplan applications. It features M22x1,5 port sizes and is designed to operate at a maximum pressure of 8 bar to ensure reliable pneumatic control. Equivalent to OE Neoplan 112233300 and WABCO 9730010120.

Product identifiers
EAN Code8683457009103
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Compatible OEM Codes

  • WABCO
    • 973 001 012 0
  • NEOPLAN
    • 112233300

Description

What does a relay valve do?

This relay valve plays a critical role in the pneumatic braking system of heavy commercial vehicles by managing air pressure distribution. It ensures that braking force is applied efficiently and with the correct timing to maintain vehicle stability during deceleration.

Vehicle compatibility and specifications

This component is compatible with Neoplan vehicles and is also designed to work with WABCO systems. It features standardized M22x1,5 port configurations for Port 1, Port 2, and Port 4, ensuring precise pneumatic signal transmission within the braking circuit.

Installation and maintenance guidance

For proper installation, technicians should verify that all M22x1,5 connections are secure and free of debris. This unit is rated for a maximum operating pressure of 8 bar. Regular inspections of the pneumatic lines and valve seals are recommended to prevent pressure drops.

Troubleshooting and selection

Consult your authorized distributor to ensure correct fitment for your specific vehicle application.

OE cross-reference

303.01.0028 (Relay Valve Relay Valves) is the equivalent of the Neoplan and WABCO OE numbers. This part directly replaces Neoplan OE number 112233300. It also replaces WABCO OE number 9730010120.

Technical Specifications

Technical Specifications
Port 1M22x1,5
Port 2M22x1,5
Port 4M22x1,5
PressureMAX 8 BAR

Other OEMs

NEOPLAN

  • 112233300

WABCO

  • 9730010120
  • 973 001 012 0

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
NEOPLAN
WABCO

FAQ

What is the primary function of this relay valve?
The relay valve manages air pressure within the braking system to ensure rapid and consistent pressure application to the brake chambers.
What are the port specifications for this component?
This relay valve is equipped with M22x1,5 ports (Port 1, Port 2, and Port 4) to facilitate standard pneumatic connections.
What is the maximum operating pressure?
This component is designed to operate safely at a maximum pressure of 8 bar within the vehicle's pneumatic system.
Which vehicle makes is this compatible with?
This part is compatible with Neoplan vehicles and is designed for use in systems equivalent to WABCO specifications.
What are the OE reference numbers of this part?
303.01.0028 directly replaces Neoplan OE number 112233300. It also replaces WABCO OE number 9730010120.