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303.01.0037 Relay Valve — WABCO Compatible

303.01.0037

Summary

The VADEN ORIGINAL 303.01.0037 is a high-precision Relay Valve designed for heavy-duty brake systems. It features Port 1 (1/2" - 14 NPTF), Port 2 (1/2" - 14 NPTF), and Port 4 (1/4" - 18 NPTF) configurations, supporting a maximum pressure of 10.2 BAR. This component is engineered to be compatible with WABCO systems.

EAN Code8683457009196
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Description

The heavy-duty relay valve is a critical component within the pneumatic brake system, ensuring precise control and rapid response during air pressure regulation. Designed with high-strength components, this part maintains operational integrity under rigorous heavy commercial vehicle conditions, providing reliable performance for workshop technicians and fleet managers.

303.01.0037 is the OE-equivalent of the WABCO 973 011 005 0 relay valve used in compatible WABCO braking systems. This component is engineered to meet strict technical standards to ensure seamless integration into existing pneumatic circuits.

Installation requires careful attention to the port specifications: Port 1 and Port 2 utilize 1/2" - 14 NPTF threads, while Port 4 utilizes a 1/4" - 18 NPTF thread. The unit is designed to operate at a maximum pressure of up to 10.2 BAR. Regular maintenance checks of the pneumatic lines and port seals are recommended to ensure optimal system-wide functionality and prevent pressure drops.

Technical Specifications

Port 11/2" - 14 NPTF
Port 21/2" - 14 NPTF
Port 4 1/4" - 18 NPTF
PressureMAX 10.2 BAR

Other OEMs

WABCO

  • 973 011 005 0
  • 9730110050

Related Products

Vehicles Used

BrandModelEngine
WABCO

FAQ

What is the maximum operating pressure for this relay valve?
This relay valve is designed to operate at a maximum pressure of up to 10.2 BAR.
Which OEM numbers is this part compatible with?
This product is an OE-equivalent for the WABCO 973 011 005 0 system.
What are the thread specifications for the ports?
The unit features two 1/2" - 14 NPTF ports and one 1/4" - 18 NPTF port.
Is this part suitable for heavy commercial vehicle braking systems?
Yes, it is specifically engineered for use in heavy commercial vehicle brake systems compatible with WABCO hardware.
Can this part be used as a direct replacement for WABCO parts?
Yes, it serves as a high-quality equivalent for the WABCO code 973 011 005 0.