NEN EN ISO 15874-3 : 2013

Introduction
1 Scope
2 Normative references
3 Terms and definitions, symbols and abbreviated terms
4 Material characteristics
   4.1 Plastics fitting material
   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
   6.2 Dimensions of sockets for socket fusion and
        electrofusion fittings
   6.3 Dimensions of metallic fittings
7 Mechanical characteristics of plastics fittings
   7.1 General
   7.2 Fitting material identical to the PP pipe compound
   7.3 Fitting made from PP not identical to the PP pipe
        compound
   7.4 Fittings made from plastics other than PP
8 Physical and chemical characteristics of plastics
   components
9 Sealing elements
10 Performance requirements
11 Marking
   11.1 General requirements
   11.2 Minimum required marking
Bibliography

Specifies the characteristics of fittings for polypropylene (PP) 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 according to the class of application.