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BS ISO 23820:2023

BS ISO 23820:2023

$142.49

Determination of the filtration efficiency of urea filter modules

Published By Publication Date Number of Pages
BSI 2023 28
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PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 1 Scope
2 Normative references
3 Terms and definitions
8 4 Symbols
9 5 Test procedures
5.1 Principle
10 5.2 Test equipment and materials
5.2.1 Test rig
5.2.2 Filter test circuit
11 5.2.3 Contaminant injection circuits
12 5.2.4 Automatic particle counting devices
5.2.5 Test fluid
5.2.6 Test contaminant
5.2.7 Stop watch
5.2.8 Ultra clean bottles
5.2.9 Ultra-sonic bath
5.3 Test rig validation
5.3.1 General
15 5.4 Procedure
5.4.1 Operating conditions
16 5.4.2 Preparation of the contaminant injection circuits
17 5.4.3 Preparation of the test circuit
5.4.4 Filter efficiency and retention capacity test
18 5.5 Expression of results
19 5.6 Test report
21 Annex A (informative) Determination of the initial filtration efficiency as per this document
27 Bibliography

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BS ISO 23820:2023
$142.49