This standard specifies the classification and nomenclature, requirements, test procedures and methods, marking, packaging, transportation and storage of catalytic converters for gasoline vehicles. This standard applies to original catalytic converters for gasoline vehicles and catalytic converters for accessories. This standard also applies to catalytic converters for vehicles burning CNG and LPG.
HJ/T 331-2006 Referenced Document
GB 14762 Limits and measurement method for exhaust pollutants from gasoline engines of heavy-duty vehicles (Ⅲ, Ⅳ)*, 2008-04-02 Update
GB 1495 Limits and measurement methods for noise emitted by accelerating motor vethicles
GB 18352.2-2001 Limits and measurement methods for emissions from light-duty vehicles(Ⅱ)
GB 18352.3-2005 Limits and measurement methods for emissions from light-duty vehicles (Ⅲ, Ⅳ)
GB/T 18377 Requirements and measurement methods of catalytic converters for petrol vehicles
HJ/T 331-2006 history
2006HJ/T 331-2006 Specifications for environmental protection product. Catalytic converters for petrol vehicles