BSI 23/30457114 DC:2023 Edition
$13.70
BS ISO 7428-1. Fine bubble technology. Domestic applications – Part 1. Assessment of showerhead devices by evaluating size and concentration indices of generated fine bubbles
Published By | Publication Date | Number of Pages |
BSI | 2023 | 22 |
PDF Catalog
PDF Pages | PDF Title |
---|---|
1 | 30457114-NC.pdf |
3 | ISO_DIS 7428-1 ed.1 – id.82782 Enquiry PDF (en).pdf |
6 | Foreword |
7 | Introduction |
9 | 1 Scope 2 Normative references 3 Terms and definitions 4 Requirements 4.1 Sample |
10 | 4.2 Measuring instruments 5 Environment 6 Evaluation 6.1 General 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 microbubble using the one-way flow |
18 | Annex€B (informative) Example of results for ultrafine bubble using the circulation flow |
19 | Annex€C (informative) Water service standards of some countries about water pressure |
20 | Annex€D (informative) Example of test systems to evaluate the shower head device |
22 | Bibliography |