WABCO part description

Air Dryer Relief Valve

Features & Benefits

  • OEM part matches WABCO dryer assemblies

Product Description

Air Dryer Relief Valve

Features & Benefits

  • Relief valve protects air dryer and downstream brake lines
  • Automatically vents excess air to maintain pressure balance
  • Prevents overpressurization in brake systems
  • Used on trucks and trailers equipped with air brake dryers
  • OEM part matches WABCO dryer assemblies

WABCO Air Brake Dryer Safety Valve

The WABCO Air Brake Dryer Safety Valve acts as a pressure relief component in commercial air brake systems, venting excess air in case of overpressure during air dryer operation. This valve is critical to protecting brake components and compressors from strain during thermal or pressure spikes. Located on or near the dryer body, the WABCO 2206D1226 activates automatically when conditions exceed system thresholds. 

Product Attributes

Opening Pressure 12.7 bar
Weight 0.14
Wrench Size 15.7 mm
Total Length 40.9 mm
Port thread 1 3/8" NPTF

WABCO 2206D1226 Cross Reference

We have 1 alternatives for the 2206D1226 by WABCO:

Whether it’s for cars, buses, trucks, or trailers, WABCO® is at the frontline at developing and providing products and systems to make vehicles safer and easier to control. Founded in 1869, WABCO is a major supplier of braking, stability, suspension and transmissions in the Americas and beyond. The company is recognized as introducing the modern air brake system in 1869, and continues to lead the industry in air brake design and production for the heavy duty and commercial vehicle sectors. Today, WABCO operates as a division of the German auto parts maker ZF and employs 16,000 employees in facilities in 36 countries worldwide.

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