标准编号：ISO 22241-4:2019
中文名称：柴油发动机 NOx还原剂AUS 32 第4部分：再充填接口
英文名称：Diesel engines — NOx reduction agent AUS 32 — Part 4: Refilling interface
发布日期：2019-07
标准范围
This document specifies the refilling interface for the NOx reduction agent AUS 32 in conformance with
ISO 22241-1, which is needed to operate converters with a selective catalytic reduction (SCR) exhaust
treatment system.
This document specifies the minimum functional and geometric requirements of an open refilling
system, in order to ensure compatibility between the on-board refilling system and the off-board
refilling system. Compatibility conditions for a sealed refilling system are provided in Annex A.
This document applies to commercial vehicles and buses as defined in ISO 3833 and having a gross
vehicle mass of more than 3,5 t, designed to use stationary off-board refilling systems. This document
also applies to the nozzle of stationary off-board refilling systems.
NOTE Throughout this document, the term “NOx reduction agent AUS 32” is abbreviated to “AUS 32”.
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