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ISO 23820:2023

Determination of the filtration efficiency of urea filter modules ISO 23820:2023

Publication date:   May 19, 2023

General information

60.60 Standard published   May 19, 2023

ISO

ISO/TC 22/SC 34 Propulsion, powertrain and powertrain fluids

International Standard

43.060.40   Fuel systems

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Scope

This document specifies requirements relating to the testing method for AUS 32/diesel exhaust fluid (DEF) filters for the removal of suspended matter. This applies to urea filters dedicated to passenger vehicles as well as to commercial vehicles. This method applies to filters with flow rates from 3 l/h to 30 l/h depending on the application (by default 5 l/h for passenger vehicles and 25 l/h for commercial vehicles). This method can be used for other flow rates, provided the validation requirement can be met.

Life cycle

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PUBLISHED
ISO 23820:2023
60.60 Standard published
May 19, 2023