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BS ISO 7428-1:2024

BS ISO 7428-1:2024

$142.49

Fine bubble technology. Domestic applications – Assessment of showerhead devices by evaluating size and concentration indices of generated fine bubbles

Published By Publication Date Number of Pages
BSI 2024 24
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PDF Catalog

PDF Pages PDF Title
2 undefined
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Requirements
4.1 Sample
4.2 Measuring instruments
5 Environment
6 Evaluation
6.1 General
11 6.2 Setting of fine bubble showerhead device to retention container
12 6.3 One-way flow
6.3.1 General
6.3.2 System configuration
13 6.3.3 Evaluation procedure for the one-way flow
14 6.4 Circulation flow
6.4.1 General
6.4.2 System configuration
15 6.4.3 Evaluation procedure for the circulation flow
16 7 Test report
17 Annex A (informative) Example of results for microbubbles using the one-way flow
18 Annex B (informative) Example of results for ultrafine bubbles using the circulation flow
19 Annex C (informative) Water service standards for water pressure in different countries
20 Annex D (informative) Example of test systems to evaluate the showerhead device
22 Annex E (normative) Test report requirements for conformity assessment application
23 Bibliography

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BS ISO 7428-1:2024
$142.49