NEN EN 12259-5 : 2002

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

Specifies requirements for construction and performance and tests for water flow detectors for use in wet pipe automatic sprinkler systems conforming to EN 12845.