This standard specifies the bench test method for air pressure adjustment and protection devices of automobiles and trailers. This standard is applicable to air pressure regulating protection devices that can be adjusted to achieve pressure limiting, overload or failure protection in automobile and trailer air circuit systems. Such as pressure regulating valve, pressure protection valve, relief valve, pressure limiting valve, safety valve, etc.
QC/T 38-1992 history
2015QC/T 37-2015 Automobile and trailer.Specifications and test methods of bench for pressure regulator and protector
1992QC/T 38-1992 Bench test method for air pressure regulation protection device of automobile and trailer
QC/T 38-1992 Bench test method for air pressure regulation protection device of automobile and trailer was changed to QC/T 37-2015 Automobile and trailer.Specifications and test methods of bench for pressure regulator and protector.