NBN EN 1401-1 : 2009

Foreword
1 Scope
2 Normative references
3 Definitions, symbols and abbreviations
4 Material
4.1 Raw material
4.2 Pipe material
4.3 Fitting material
4.4 Utilization 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) Utilization of non-virgin material
Annex B (informative) General characteristics of PVC-U
         pipes and fittings
Annex C (informative) Bibliography

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