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303.01.0029 WABCO Equivalent Relay Valve

303.01.0029

Summary

This relay valve is designed for heavy commercial vehicle brake systems, ensuring precise pneumatic control. It features M22x1,5 ports and is rated for a maximum pressure of 8 BAR, providing reliable performance in demanding service environments. Equivalent to OE WABCO 9730010140.

Product identifiers
EAN Code8683457009110
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Compatible OEM Codes

  • WABCO
    • 973 001 014 0

Description

What does a relay valve do?

This relay valve plays a critical role in the pneumatic brake system by controlling the air pressure delivery to the brake chambers. By managing signal air and supply air, it ensures that braking forces are applied accurately and with minimal delay, enhancing overall braking efficiency.

Compatibility and application

This component is compatible with WABCO systems and is engineered to withstand high-pressure fluctuations in heavy commercial vehicle brake circuits. It is suitable for various heavy-duty applications where precise pneumatic modulation is required.

Installation and maintenance

The valve is equipped with M22x1,5 port sizes for Port 1, Port 2, and Port 4, allowing for standardized installation within existing pneumatic lines. For optimal performance, technicians should ensure all connections are secure and check for air leaks during routine maintenance intervals.

Operational limits

When replacing this component, verify that the system pressure does not exceed the maximum rating of 8 BAR to prevent damage to the internal seals and components.

OE cross-reference

303.01.0029 (Relay Valve Relay Valves) is the equivalent of the WABCO OE number. This part directly replaces WABCO OE number 9730010140.

Technical Specifications

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

Other OEMs

WABCO

  • 9730010140
  • 973 001 014 0

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
WABCO

FAQ

What is the function of this relay valve?
The relay valve regulates air pressure within the braking system to ensure rapid and consistent pressure application to the actuators.
What are the port specifications for this part?
This component features M22x1,5 thread sizes on Port 1, Port 2, and Port 4 to ensure compatibility with standard pneumatic fittings.
What is the maximum operating pressure?
This relay valve is designed for operation within a maximum pressure limit of 8 BAR.
Is this component compatible with WABCO systems?
Yes, this relay valve is designed to be compatible with WABCO systems in heavy commercial vehicle applications.
What are the OE reference numbers of this part?
303.01.0029 directly replaces WABCO OE number 9730010140.