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BS ISO 19438:2023 – TC

BS ISO 19438:2023 – TC

$217.84

Tracked Changes. Diesel fuel and petrol filters for internal combustion engines. Filtration efficiency using particle counting and contaminant retention capacity

Published By Publication Date Number of Pages
BSI 2023 96
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PDF Catalog

PDF Pages PDF Title
1 30469777
61 A-30431901
62 National foreword
66 Foreword
67 Introduction
69 1 Scope
2 Normative references
3 Terms and definitions
70 4 Symbols
5 Test apparatus and materials
5.1 Test apparatus
5.1.1 Test rig
72 5.1.2 On line dilution and particle counting system
73 5.2 Test materials
5.2.1 Test contaminant
5.2.2 Test fluid
6 Accuracy of measuring instruments and test conditions
7 Test rig validation
7.1 General
74 7.2 Validation of the on line dilution and particle counting system
7.3 Validation of filter test circuit
7.4 Validation of contaminant injection circuit
75 8 Preliminary preparation
8.1 Test filter assembly
8.2 Contaminant injection circuit
77 8.3 Filter test circuit
9 Test procedure
9.1 Initial procedure
78 9.2 Filter test
79 10 Calculation and reporting of test results
10.1 Test report
80 10.2 Calculation
10.2.1 General
10.2.2 Gravimetric levels
10.2.3 Filtration efficiencies
81 10.2.4 Filter ratings
10.2.5 Injected mass of contaminant
10.2.6 Non-retained mass of contaminant
82 10.2.7 Retained filter capacity
83 Annex A (normative) Specification of test fluid for filter test
84 Annex B (informative) Typical filter test report, presentation of test results
89 Annex C (normative) Example filter efficiency calculations
93 Annex D (informative) Effect of dust cake filtration on filter capacity
95 Bibliography

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BS ISO 19438:2023 - TC
$217.84