QC/T 79.1-2008 Road vehicles.Coikd pipe assemblies for pneumatic braking connection between motor vehicles and towed vehicles.Part 1: Dimensions (English Version)
QC/T 79 stipulates the minimum conditions for the solenoid assembly to ensure braking adaptability, especially the braking reaction time. This part of QC/T 79 specifies the dimensions of pipes and end fittings. This section applies to spiral pipe assemblies used in air brake systems of automobiles and trains, and does not apply to other pipes in the braking system.
QC/T 79.1-2008 history
2008QC/T 79.1-2008 Road vehicles.Coikd pipe assemblies for pneumatic braking connection between motor vehicles and towed vehicles.Part 1: Dimensions
1993QC/T 79-1993 Automotive Brake System Spiral Tube