Codes & Standards - Purchase
ISO 23820:2023
Determination of the filtration efficiency of urea filter modules
SKU: iso_077052_184228
Published by ISO
Publication Year 2023
1 Edition
21 pages
Product Details
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.