Description
This standard covers the principal requirements for safety, reliability and performance of portable, stored pressure, refillable type fire extinguishers suitable for use on classes A, B and C.
TABLE OF CONTENTS
| Contents | Page |
| 1 Scope | 1 |
| 2 Normative references | 1 |
| 3 Definitions | 1 |
| 4 General requirements | 3 |
| 4.1 Test fire rating, capacity and mass | 3 |
| 4.2 Components of a fire extinguisher | 3 |
| 4.3 Method of operation | 4 |
| 4.4 Design pressures | 4 |
| 4.5 Charge of a fire extinguisher | 4 |
| 4.6 Electrical conductivity of a water-based fire extinguisher charge | 5 |
| 4.7 Production tests | 5 |
| 5 Design and construction | 6 |
| 5.1 Corrosion resistance of components | 6 |
| 5.2 Dissimilar metals | 6 |
| 5.3 Design, construction and quality of plastic components | 6 |
| 5.4 Cylinders | 7 |
| 5.5 Operation and emission control mechanisms or devices | 7 |
| 5.6 Siphon tubes | 8 |
| 5.7 Discharge hose assemblies | 8 |
| 5.8 Discharge control valves | 8 |
| 5.9 Discharge nozzles | 8 |
| 5.10 Pressure indicators | 9 |
| 5.11 Verification of pressure indicators | 10 |
| 5.12 Support fittings on extinguisher | 10 |
| 5.13 Mounting brackets for extinguishers | 10 |
| 5.14 Pressure relief valves | 10 |
| 5.15 Finish and colour | 10 |
| 6 Performance requirements | 11 |
| 6.1 Discharge | 11 |
| 6.2 Ability to extinguish fires | 12 |
| 7 Packing and marking | 12 |
| 7.1 Packing | 12 |
| 7.2 Marking | 12 |
| 7.3 Durability of marking | 14 |
| 8 Inspection and methods of test | 14 |
| 8.1 Inspection | 14 |
| 8.2 Leakage test | 14 |
| 8.3 Design pressure test for complete fire extinguisher (cylinder and all components) | 14 |
| 8.4 Test for corrosion resistance of the assembled fire extinguisher | 14 |
| 8.5 Test for the design, construction and quality of plastic components. | 14 |
| 8.6 Test for resistance of plastic components to burst pressure | 15 |
| 8.7 Impact test on operating heads | 16 |
| 8.8 Test for resistance of hose to kinking | 16 |
| 8.9 Hydrostatic pressure test on hose assemblies | 17 |
| 8.10 Pressure relief valve test (when relevant) | 17 |
| 8.11 Intermittent discharge test | 17 |
| 8.12 Fire extinguisher performance test | 17 |
| 8.13 Test for electrical conductivity | 18 |
| Annex A (normative) Notes to purchasers | 19 |
| Annex B (normative) Indication of test fire rating and minimum fire ratings | 20 |
| Annex C (normative) Fire classification symbols | 21 |
| Annex D (normative) Class test fires | 22 |
| Annex E (informative) Recommended type of large and small wall brackets for mounting of fire extinguishers | 24 |
| Annex E (informative) | 24 |
| Annex F (informative) Quality verification of portable refillable fire extinguishers | 25 |
| Bibliography | 26 |