JB/T 11880.1-2014: Translated English of Chinese Standard. (JBT 11880.1-2014, JB/T11880.1-2014, JBT11880.1-2014): Diesel engines - Selective catalytic reduction (SCR) systems - Part 1: General requirements
https://www.chinesestandard.net, 02.08.2020 - 27 Seiten
This part of JB/T 11880 specifies the technical conditions, test methods and approval rules of the selective catalytic reduction (SCR) system. This part applies to SCR systems for diesel engines and vehicles. SCR systems for other purposes can also be implemented by reference.
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Informative Type certificate format of approval catalytic reduction
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according adopt the provisions aging Appendix applicable approval catalytic reduction approval extension approval mark approval number assembly attached average value brand carry catalytic reduction system certified cold start test compatible components conversion efficiency Date deteriorate factor DF device documents drawing emission limit emission test engine or vehicle formula g/km group of letters heavy duty vehicles heavy-duty identification ignition indicate installed JB/T kW•h least letters and numbers light light-duty vehicles listed Location manufacturer mass maximum meanwhile measured meets the requirements method Monitoring necessary Nitrogen oxide number indicate on-board diagnostic OBD original approval catalytic original catalytic reduction parties performance pollutant position protection provisions ratio reference relevant requirements sample SCR system Selective catalytic reduction sensor specified supply symbol Table technical type approval type I test type of catalytic vehicle equipped volume