I.S. EN ISO 15875-3:2004

Contents
Introduction
1 Scope
2 Normative references
3 Terms and definitions, symbols and abbreviated terms
4 Material characteristics
   4.1 Plastics
        4.1.1 Fitting material identical to PE-X pipe material
        4.1.2 PE-X fitting material not identical to PE-X
               pipe material
        4.1.3 Plastics fitting material other than PE-X
   4.2 Metallic fitting material
   4.3 Influence on water intended for human consumption
5 General characteristics
   5.1 Appearance
   5.2 Opacity
6 Geometrical characteristics
   6.1 General
        6.1.1 Nominal diameter(s)
        6.1.2 Angles
        6.1.3 Threads
   6.2 Dimensions of sockets for electrofusion fittings
   6.3 Dimensions of metallic fittings
7 Mechanical characteristics of plastics fittings
   7.1 General
   7.2 Fittings made from PE-X material identical to the
        PE-X pipe material
   7.3 Fittings made from PE-X not identical to the PE-X
        pipe material
   7.4 Fittings made from plastics other than PE-X
8 Physical and chemical characteristics of plastics fittings
9 Sealing elements
10 Performance
11 Marking
   11.1 General requirements
   11.2 Minimum required marking
Bibliography

Specifies the characteristics of fittings for crosslinked polyethylene (PE-X) 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, and for heating systems, under design pressures and temperatures appropriate to the class of application.