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About This Item

 

Full Description

ISO 22241-4:2019 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".

 

Document History

  1. ISO 22241-4:2019

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

    • Most Recent
  2. ISO 22241-4:2009


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

    • Historical Version