1 Scope
2 Normative references
3 Definitions
4 Classification
5 Units
6 Construction requirements
7 Performance requirements
8 Methods of test
9 Marking, installation and operating instructions
Annex A (informative) Leak-tightness test - volumetric method
Annex B (informative) Leak-tightness test - Pressure loss
method
Annex C (informative) Conversion of pressure loss into
leakage rate
Annex ZA (informative) Clauses of this European Standard
addressing essential requirements or other provisions of
EU Directives