Requirements and measurement methods of catalytic converters for petrol vehicles
1 Scope
This standard specifies the requirements and measurement methods of catalytic converters for petrol vehicles.
This standard is applicable to catalytic converters for petrol vehicles.
This standard is also applicable to catalytic converters for vehicles fueled with liquefied petroleum gas (LPG).
2 Normative references
The following standards contain provisions which, through reference in this standard, constitute provisions of this standard. At the time of publication, all editions cited are valid. All standards are subject to revision, and all parties using this standard are encouraged to investigate the possibility of applying the latest editions of the following standards.
GB/T 10125-1997 Corrosion tests in artificial atmospheres—Salt spray tests (eqv ISO 9227: 1990)
GB/T 12534-1990 Motor vehicles—General rules of road test method
GB 14761-1999 Limits and measurement methods for emissions of pollutants from motor vehicles
GB/T 14762-1993 Test method for exhaust pollutants from gasoline engine of vehicle
QC/T 630-1999 Test method for performance of automotive exhaust muffler
3 Definitions
For the purposes of this standard, the following definitions apply.
3.1 Catalytic converter
Device for reducing hydrocarbons (HC), carbon monoxide (CO) and nitrogen oxides (NOx) in automotive exhaust by using a catalyst
3.2 Original catalytic converter
Catalytic converter or catalytic converter assembly installed in batch production during type approval for certain kind of vehicle
Foreword i
1 Scope
2 Normative references
3 Definitions
4 Test conditions
5 Requirements
6 Test methods
