Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 System design requirements
4.1 Materials of construction
4.2 Working conditions
4.2.1 Working temperature
4.2.2 Working flow
4.3 Filter cartridge replacement
4.4 End connections
4.5 Backflow prevention
4.6 Exchange indicator
5 Performance requirements
5.1 Pressure strength of the filter housing
5.2 Dynamic pressure test of housing
5.3 Dynamic pressure test of cartridge
5.4 Pressure drop
5.5 Substance reduction performance
5.5.1 Performance claims
5.5.2 Chlorine reduction
5.5.3 Organic chemical reduction
5.5.4 Odour and flavour reduction
5.5.5 Inorganic chemical reduction
6 Test methods
6.1 Static pressure test of filter housing
6.1.1 Principle
6.1.2 Procedure
6.2 Dynamic water pressure test of housing
6.2.1 Principle
6.2.2 Procedure
6.3 Dynamic pressure test of cartridge
6.3.1 Principle
6.3.2 Procedure
6.4 Pressure drop
6.4.1 Principle
6.4.2 Procedure
6.5 Chlorine reduction
6.5.1 Test equipment
6.5.2 Reagents
6.5.3 Analytical methods
6.5.4 Test conditions
6.5.5 Procedure
6.5.6 Sampling
6.5.7 Acceptance criteria
6.5.8 Expression of results
6.6 Chemical and odour/flavour reduction
6.6.1 Test equipment
6.6.2 Reagents
6.6.3 Analytical methods
6.6.4 Test conditions
6.6.5 Procedure
6.6.6 Sampling
6.6.7 Acceptance criteria
6.6.8 Expression of results
7 Technical documents, marking, labelling and packaging
7.1 Technical documents
7.2 Marking
7.3 Labelling
7.3.1 Filter housing
7.3.2 Filter cartridge
7.4 Packaging
Annex A (informative) Example of test rig for substance reduction
testing
Annex B (informative) Example test report
Annex C (informative) Substance-specific reduction claims
Annex D (normative) Installation, operation and maintenance
Bibliography