Standard No.:	QC/T 751-2006
English Name:	Method of durability test for catalytic converter of motorcycle and moped
Chinese Name:	摩托车和轻便摩托车催化转化器耐久性试验方法
Chinese Classification:	T81    Engine
Professional Classification:	QC    Professional Standard - Automobile
ICS Classification:	43.06 43.06    Internal combustion engines for road vehicles 43.06
Issued by:	NDRC
Issued on:	2006-3-7
Implemented on:	2006-8-1
Status:	superseded
Superseded by:	QC/T 752-2016 Testing methods for catalytic converters of motorcycles and mopeds
Superseded on:	2016-9-1
Language:	English
File Format:	PDF
Word Count:	4500 words
Price(USD):	130.0
Delivery:	via email in 1 business day

Method of durability test for catalytic converter of motorcycle and moped 1 Scope This standard specifies the test procedure, test method, test result analysis and report of durability test for catalytic converters of motorcycles and mopeds on road and engine bed. This standard is applicable to catalytic converters of motorcycles and mopeds. 2 Normative references The following normative documents contain provisions which, through reference in this text, constitute provisions of this specification. For dated references, subsequent amendments (excluding corrections), or revisions, of any of these publications do not apply to this standard. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition applies. GB/T 4570-1995 Test method of durability for motorcycles and mopeds GB/T 5363-1995 Method of bed test of gasoline engine for motorcycles and mopeds GB/T 5378-1994 General rules of running test for motorcycles and mopeds GB 14621 Limits and measurement methods for exhaust emissions from motorcycles and mopeds at idle speed GB 14622 Limits and measurement methods for exhaust emissions from motorcycles under running mode GB 17930-1999 Unleaded petrol (gasoline) for motor vehicles GB 18176 Limits and measurement methods for exhaust emissions from mopeds under running mode 3 Terms and definitions For the purposes of this standard, the following terms and definitions apply. 3.1 catalytic converter catalytic device mounted in the motorcycle exhaust system, which can reduce the emissions of carbon monoxide (CO), hydrocarbons (HC) and nitrogen oxides (NOX) in the exhaust system through the reduction or oxidation reaction of catalyst  

Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Test procedure 5 Test method 6 Test result analysis and report Annex A (Normative) Test record of exhaust emissions Annex B (Normative) Bed rapid aging test cycle Annex C (Normative) Decay curve of conversion ratio of catalytic converter