NS EN 12259-5 : 1ED 2002
Current
The latest, up-to-date edition.
FIXED FIREFIGHTING SYSTEMS - COMPONENTS FOR SPRINKLER AND WATER SPRAY SYSTEMS - PART 5: WATER FLOW DETECTORS
12-01-2013
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Construction and performance
4.1 General
4.2 Connections
4.3 Rated working pressure
4.4 Components
4.5 Clearances
4.6 Operation
4.7 Corrosion resistance
4.8 Pressure loss due to hydraulic friction
4.9 Leak resistance
4.10 Endurance
4.11 Maintenance
5 Marking
6 Instruction for installation and operation
7 Evaluation of conformity
7.1 General
7.2 Initial type testing
7.3 Factory production control (FPC)
Annex A (normative) Verification of connection dimension test
Annex B (normative) Pressurisation strength test
Annex C (normative) Resistance to ageing test for non-metallic
components (excluding gaskets and seals)
C.1 Air oven ageing
C.2 Warm water ageing
Annex D (normative) Sealing elements test
D.1 Non-reinforced elastomeric seals
D.2 Reinforced elastomeric seals
Annex E (normative) Clearances tests
E.1 Press-fit brushing test
E.2 Pipework obstruction test
Annex F (normative) Operation tests
F.1 Sensitivity
F.2 Operational cycling
F.3 Temperature resistance
Annex G (normative) Salt mist corrosion resistance test
G.1 Reagents
G.2 Apparatus
G.3 Procedure
Annex H (normative) Hydraulic friction pressure loss test
Annex I (normative) Leakage resistance test
Annex J (normative) Endurance test
Annex K (informative) Typical testing schedule and example
of test specimen number of water flow detectors
Annex ZA (informative) Clauses of this European Standard
addressing essential requirements or other provisions
of EU Directives
Bibliography
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