SN EN 12666-1+A1:2011

Foreword
1 Scope
2 Normative references
3 Terms, definitions, symbols and abbreviations
   3.1 Terms and definitions
   3.2 Symbols
   3.3 Abbreviations
4 Material
   4.1 Base material
   4.2 Reprocessable and recyclable material
   4.3 Melt mass-flow rate
   4.4 Resistance to internal pressure (long-term
        behaviour)
   4.5 Thermal stability
   4.6 Fusion compatibility
   4.7 Sealing ring retaining means
5 General requirements
   5.1 Appearance
   5.2 Colour
6 Geometrical characteristics
   6.1 General
   6.2 Dimensions of pipes
   6.3 Dimensions of fittings
   6.4 Dimensions of sockets and spigots
   6.5 Types of fittings
7 Mechanical characteristics
   7.1 Mechanical characteristics of pipes
   7.2 Mechanical characteristics of fittings
8 Physical characteristics
   8.1 Physical characteristics of pipes
   8.2 Physical characteristics of fittings
9 Performance requirements
10 Sealing rings
11 Marking
   11.1 General
   11.2 Minimum required marking of pipes
   11.3 Minimum required marking of fittings
   11.4 Additional marking
Annex A (informative) General characteristics of PE
        pipes and fittings
Bibliography

This Part of EN 12666 specifies the requirements for pipes, fittings and the system of polyethylene (PE) piping systems intended to be used for - non pressure underground drainage and sewerage outside the building structure (application area code "U"), and - non pressure underground drainage and sewerage for both buried in the ground within the building structure (application area code "D") and outside the building structure.