Description
Table of 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……………………………………………………………………………………..6
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 F (informative) Quality verification of portable refillable fire extinguishers……………………25
Bibliography………………………………………………………………………………………………………………………26