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ISO 22241-4:2023

Diesel engines — NOx reduction agent AUS 32 — Part 4: Refilling interface

General information

Valid from 16.10.2023
Directives or regulations
None

Standard history

Status
Date
Type
Name
16.10.2023
Main
12.07.2019
Main
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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