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 requirementshttps://www.chinesestandard.net, 2 ago 2020 - 27 pagine 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. |
Sommario
| 3 | |
Production consistency | 18 |
Informative Type certificate format of approval catalytic reduction | 24 |
Parole e frasi comuni
adopt the provisions Appendix approval authority approval catalytic reduction average value catalytic converter catalytic reduction SCR catalytic reduction system cold start test conversion efficiency deteriorate factor DF durability test duty vehicles Test emission test engine and vehicle engine or vehicle group of letters heavy duty heavy-duty vehicle engine independent technical assembly inlet temperature Internal Combustion Engine kW•h letters and numbers light-duty vehicles models or vehicles multiplying deteriorate factor name or trademark on-board diagnostic OBD original approval catalytic original catalytic reduction performance pollutant emissions positive ignition engines reduction system according requirements of JB/T requirements specified SCR system Selective catalytic reduction sensor Space velocity specified in Chapter specified in GB standard number test bench according test Calculated value test emission limits testing agency responsible type approval type I test type of catalytic Urea solution Urea supply line value after multiplying vehicle equipped Vehicle type vehicles Test specification WHTC cold Wuxi