Description
This standard gives general guidelines on the precautions to be taken to preserve and transport all water samples including those for biological analysis but not those intended for Microbiological analysis.
TABLE OF CONTENTS
| Content | Page |
| 1 Scope | 1 |
| 2 Normative references | 1 |
| 3 Terms, definitions and symbols | 1 |
| 3.1 Regulators | 1 |
| 3.2 Pressures | 2 |
| 3.3 Flow rates | 3 |
| 3.4 Component parts | 3 |
| 3.5 Performance | 3 |
| 4 Classification | 4 |
| 4.1 Classes of control | 4 |
| 4.2 Groups of controls | 4 |
| 5 Test conditions | 4 |
| 6 Construction | 4 |
| 6.1 General | 4 |
| 6.2 Construction requirements | 4 |
| 6.3 Materials | 6 |
| 6.4 Gas connections | 6 |
| 7 Performance | 6 |
| 7.1 General | 6 |
| 7.2 Leak-tightness | 6 |
| 7.3 Torsion and bending | 6 |
| 7.4 Rated flow rate | 7 |
| 7.5 Durability | 7 |
| 7.6 Functional requirements | 7 |
| 7.7 Putting the regulator out of action | 7 |
| 7.8 Long-term performance | 7 |
| 7.9 Lock-up pressure | 8 |
| 8 EMC/Electrical requirements | 8 |
| 9 Marking, installation and operating instructions | 8 |
| 9.1 Marking | 8 |
| 9.2 Installation and operating instructions | 9 |
| 9.3 Warning notice | 9 |
| Annex A (informative) Classification of fuel gases into gas families | 10 |
| Annex B (normative) Functional requirements and regulator performance testing – Method A | 12 |
| Contents (continued) | |
| Annex C (normative) Functional requirements and regulator performance testing – Method B | 21 |
| Annex D (normative) Specific performance testing in Japan | 35 |
| Annex E (informative) Typical regulators and regulator parts | 36 |
| Bibliography | 37 |