ISO 22241-4:2019

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

Publication date: Jul 12, 2019

General information

Current stage: 90.92 Effective date: Dec 13, 2020

Originator: ISO

Owner: ISO/TC 22/SC 34

Type: International Standard

ICS: 43.060.40

Languages: English

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Status: Published

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Scope

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".

Life cycle

PREVIOUSLY

Revises
ISO 22241-4:2009

NOW

PUBLISHED
ISO 22241-4:2019
90.92 Standard to be revised
Dec 13, 2020

REVISED BY

IN_DEVELOPMENT
ISO/DIS 22241-4

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