GSO ISO 23820:2025
ISO 23820:2023
Gulf Standard
Current Edition
·
Approved on
22 April 2025
Determination of the filtration efficiency of urea filter modules
GSO ISO 23820:2025 Files
English
21 Pages
Current Edition
Reference Language
59.68 BHD
GSO ISO 23820:2025 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.
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