GB/T 25983-2010 English PDF

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GB/T 25983-2010: Manifold catalytic converter
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 25983-2010	279	Add to Cart	3 days	Manifold catalytic converter	Valid

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Basic data

Standard ID: GB/T 25983-2010 (GB/T25983-2010)
Description (Translated English): Manifold catalytic converter
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: T13
Classification of International Standard: 43.060.20
Word Count Estimation: 12,121
Date of Issue: 1/10/2011
Date of Implementation: 5/1/2011
Quoted Standard: GB 18352.3-2005; GB/T 18377-2001
Regulation (derived from): Announcement of Newly Approved National Standards 2011 No. (No. 166 overall) 1
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This Standard specifies light-duty gasoline vehicles with the terms and definitions manifold catalytic converter, requirements, test methods, inspection rules, marking, packaging, transport and storage. This Standard is applicable to light-duty gasoline vehicles manifold catalytic converter, but also for burning liquefied petroleum gas (LPG) vehicles manifold catalytic converter.

GB/T 25983-2010: Manifold catalytic converter

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Manifold catalytic converter ICS 43.060.20 T13 National Standards of People's Republic of China Manifold catalytic converter Issued on. 2011-01-10 2011-05-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

The Standard Appendix A and Appendix B for the normative appendix; Annex C is informative appendix. This standard was proposed by the National Development and Reform Commission, People's Republic of China. This standard by the National Automotive Standardization Technical Committee (SAC/TC114) centralized. This standard was first formulated. This standard is mainly drafted by. China Automotive Technology and Research Center, Wuxi Weifu Lida Catalytic Converter Co., Ltd., Tianjin Sauk Automotive Testing Limited, Corning (Shanghai) Co., Ltd., 3M (China) Co., Aimu Kang purification technology (Shanghai) Co., Ltd., Bath Cardiff catalyst (Shanghai) Co., Ltd., Faurecia (China) Co., Ltd. Exhaust System. The main drafters of this standard. Li Jun, Europe Jianbin, Ge Ping Liang, Zhang Jun, Chen Yong, Wang Xu Hua, Zhang Yi. Manifold catalytic converter

1 Scope

This standard specifies the light-duty gasoline vehicles - Terms and definitions manifold catalytic converter, requirements, test methods, inspection rules, marks, packages Loading, transport and storage. This standard applies to light-duty gasoline vehicles manifold catalytic converters, also suitable for burning liquefied petroleum gas (LPG) vehicles manifolded catalyst Of the converter.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB 18352.3-2005 light vehicle emission limits and measurement methods (China Ⅲ, Ⅳ stage) Technical requirements GB/T 18377-2001 conversion of petrol vehicles with catalytic converters and test methods

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 Catalytic Converter catalyticconverter Installed in the vehicle exhaust system, oxidation and (or) reduction, reducing exhaust CO, HC, NOx emissions by catalyst It means the amount. 3.2 It refers to the installation in the engine compartment, the engine exhaust manifold and catalytic converter composition, and the engine manifold to the respective branch pipes interchange catalyst Continuous connection length of not more than 500mm inlet end of the catalytic assembly member. 3.3 The test vehicle or engine operation in accordance with certain specified conditions, a certain rate of pollutant emissions before and after the manifold catalytic converter. Manifold catalytic converter conversion efficiency = Catalyst inlet pollutant i measured values - catalyst outlet pollutant i measured values Catalyst inlet pollutant i measured value × 100% Where. i --- representing pollutants CO, HC, NOx. 3.4 When the manifold catalytic converter of a pollutant conversion efficiency of 50% corresponding to the catalytic converter inlet gas temperature. 3.5 Located in the center of the carrier means to extend the line from the inlet end face of the catalyst carrier temperature measured at 50mm. ......

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