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Standard
ISO 14085-3
Second edition
Aerospace series — Test methods
2024-05
for hydraulic filter elements —
Part 3:
Filtration efficiency and retention
capacity
Série aérospatiale — Méthodes d'essais pour les éléments
filtrants hydrauliques —
Partie 3: Efficacité de filtration et capacité de rétention
Reference number
ISO 14085-3:2024(en) © ISO 2024
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ISO 14085-3:2024(en)
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© ISO 2024
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Published in Switzerland
© ISO 2024 – All rights reserved
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ISO 14085-3:2024(en)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 2
4 Symbols . 4
5 Test procedure overview . 5
6 Test apparatus . 5
7 Instrument accuracy and allowable test condition variation . 9
8 Test equipment validation . 10
8.1 Steady flow filter test system validation.10
8.2 Cyclic flow filter test system validation .11
8.3 Contaminant injection system validation . 12
9 Summary of information required prior to testing .13
10 Preliminary test preparation .13
10.1 Test filter assembly . 13
10.2 Contaminant injection system . .14
10.3 Steady flow filter test system . 15
10.4
...