NS EN 14408-1 : 1ED 2004

Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions, symbols and abbreviations
4 Pipes at the "M" stage
5 Fittings at the "M" stage
6 Valves
7 Fitness for purpose of the Lining at the "I" stage
8 Installation practice
Annex A (informative) Recommended scheme for assessment
        of conformity
Bibliography

Provides the requirements and test methods for plastics piping systems used for renovation of underground gas supply networks. Applicable to pipes and fittings as manufactured as well as to the installed lining system.