UNI EN 1401-1 : 2009

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 Raw material
   4.2 Pipe material
   4.3 Fitting material
   4.4 Utilisation of non-virgin materials
   4.5 Sealing ring retaining means
5 General characteristics
   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 Adhesives
12 Marking
   12.1 General
   12.2 Minimum required marking of pipes
   12.3 Minimum required marking of fittings
   12.4 Additional marking
Annex A (normative) Utilisation of non-virgin material
Annex B (informative) General characteristics of PVC-U pipes
        and fittings
Annex C (informative) Product standards
Bibliography

Describes the requirements for solid wall pipes, fittings and the system of unplasticized poly(vinyl chloride) (PVC-U) piping systems in the field of non-pressure underground drainage and sewerage: a) outside the building structure (application area code "U") and b) both buried in ground within the building structure (application area code "D") and outside the building.