NBN EN ISO 15876-2 : 2004 AMD 1 2007

Introduction
1 Scope
2 Normative references
3 Terms and definitions, symbols and abbreviated terms
4 Material
   4.1 Pipe material
   4.2 Evaluation of Sigma[LCL]-values
   4.3 Influence on water intended for human consumption
5 General characteristics
   5.1 Appearance
   5.2 Opacity
6 Geometrical characteristics
   6.1 General
   6.2 Dimensions of pipes
7 Mechanical characteristics
8 Physical and chemical characteristics
9 Performance requirements
10 Marking
   10.1 General requirements
   10.2 Minimum required marking
Annex A (informative) Derivation of S[calc,max]
   A.1 General
   A.2 Design stress
   A.3 Derivation of maximum value of Scalc (Scalc,max)
   A.4 Use of Scalc,max to determine wall thickness
Bibliography

Specifies the characteristics of pipes made of polybutylene (PB) for piping systems intended to be used for hot and cold water installations within buildings for the conveyance of water whether or not intended for human consumption (domestic systems), and for heating systems, under design pressures and temperatures appropriate to the class of application.