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GB/T 34496-2017 English PDF

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GB/T 34496-2017: Catalyst for heavy-duty gas engine vehicle exhaust purification
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PDF similar to GB/T 34496-2017


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Basic data

Standard ID GB/T 34496-2017 (GB/T34496-2017)
Description (Translated English) Catalyst for heavy-duty gas engine vehicle exhaust purification
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G75
Classification of International Standard 71.120.99
Word Count Estimation 18,132
Date of Issue 2017-10-14
Date of Implementation 2018-05-01
Regulation (derived from) National Standard Announcement 2017 No. 26
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

GB/T 34496-2017: Catalyst for heavy-duty gas engine vehicle exhaust purification

---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.
Catalyst for heavy-duty gas engine vehicle exhaust purification ICS 71.120.99 G75 National Standards of People's Republic of China Gas heavy-duty vehicles with exhaust gas purification catalyst 2017-10-14 Published 2018-05-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard by the National Rare Earth Standardization Technical Committee (SAC/TC229) and focal point. This standard was drafted unit. Kunming your research catalyst limited liability company, since the Environmental Protection Technology Co., Ltd., Weichai Power Air Purification Technology Co., Ltd., Guangxi Yuchai Machinery Co., Ltd., Non-ferrous Metal Technology Economic Research Institute. The main drafters of this standard. Zhang Yuxue, Huang Weijiang, Chang Shiying, Wang Feng Shuang, Wang Yun, Zhu Zan, Du Junchen, Zhao Yunkun, Li Wensong, Wang Shuying, Yang Jia, Zhang Jiahua. Gas heavy-duty vehicles with exhaust gas purification catalyst

1 Scope

This standard specifies the requirements for exhaust gas purification catalyst for heavy gas vehicles, test methods, inspection rules, signs, packaging, transportation, storage and Quality certificate. This standard applies to ceramic honeycomb substrate as a carrier and load rare earth, precious metals or other metals and other active components of gas heavy vehicles Exhaust gas purification catalyst products. The heavy gas vehicles in this standard include M2, M3, N1, N2 and N3 at design speeds greater than 25 km/h Class and the total mass of more than 3500kg of M1 vehicles. The standard oxidation catalyst (GOC) for lean combustion gas hair Motivation (CNG/LNG/LPG). The three-way catalyst (TWC) in this standard is suitable for engines with equivalent specific combustion (CNG/LNG / LPG).

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 2828.1 Sampling procedures for sampling inspection - Part 1. Batch inspection sampling plan retrieved by acceptance quality limit (AQL) GB/T 5181 Automotive emission terminology and definitions GB/T 8170 rounded repair rules and limit values of the representation and judgment GB/T 15089 motor vehicles and trailers classification GB 17691 compression limit, gas-fired ignition engines and automotive exhaust pollutant emission limits and measurement methods (China Ⅲ, Ⅳ, Ⅴ stage) GB/T 17803 rare earth product grades that method Durability requirements and test methods of GB 20890 exhaust emission control system for heavy vehicles GB/T 23277 Methods for chemical analysis of precious metal catalysts Determination of platinum, palladium and rhodium in car exhaust gas purification catalysts Spectrophotometric Degree method GB/T 25994 honeycomb ceramics HJ509 automotive ceramic catalytic converter platinum, palladium, rhodium Determination of inductively coupled plasma-atomic emission spectrometry and inductive coupling Ion Mass Spectrometry

3 Terms and definitions

GB/T 5181, GB/T 15089 and GB 17691 as defined by the following terms and definitions apply to this document. 3.1 M1, M2, M3, N1, N2, N3 class class M1/M2/M3/N1/N2/N3vehicle M1 category refers to the driver's seat, including the number of seats does not exceed 9 passenger vehicles; M2 vehicles, including the driver's seat, including more than 9 seats, and the maximum total design of the total mass of not more than 5000kg passengers vehicle; M3 class vehicles, including the driver's seat, including more than 9 seats, and the maximum total design mass of more than 5000kg passenger vehicle;

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