PREN 437 : DRAFT 2017

European foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Gases
5 Test pressures
6 Classification of appliances
7 Choice of test gases and test pressures
8 Marking
Annex A (normative) - Conditions for preparation
        of the test gases
Annex B (informative) - National situations
Annex C (informative) - Guidelines for extension
        to other categories
Annex D (informative) - National situation of countries
        whose national bodies are CEN affiliate members
Annex E (informative) - Relationship between the
        distributed gases and the corresponding test gases
Bibliography

Defines the test gases, test pressures and categories of appliances relative to the use of gaseous fuels of the first, second and third families.