ONORM EN ISO 15877-3 : 2011

Introduction
1 Scope
2 Normative references
3 Terms and definitions, symbols and abbreviated terms
   3.1 Terms and definitions
   3.2 Symbols
4 Material characteristics
   4.1 General
   4.2 Fitting material
   4.3 Evaluation of Sigma[LCL]-values
   4.4 Metallic material
   4.5 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 fittings
        6.2.1 Nominal diameter(s)
        6.2.2 Wall thicknesses
        6.2.3 Angles
        6.2.4 Threads
        6.2.5 Laying lengths (Z-lengths)
   6.3 Dimensions of sockets
        6.3.1 Dimensions of cylindrical sockets
        6.3.2 Dimensions of conical sockets
   6.4 Dimensions of flange adapters and flanges
        6.4.1 Dimensions of flange adaptors
        6.4.2 Dimensions of flanges
   6.5 Dimensions of metallic fittings
7 Mechanical characteristics
   7.1 Resistance to internal pressure
        7.1.1 Testing of material
        7.1.2 Testing of fittings
   7.2 Determination of free lengths
   7.3 Derivation of the hydrostatic test pressure
8 Physical characteristics
9 Performance requirements
10 Adhesives
11 Sealing rings
12 Marking
   12.1 General
   12.2 Minimum required marking
   12.3 Additional marking
Bibliography

Specifies the characteristics of fittings made from chlorinated poly(vinyl chloride) (PVCC) 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) under design pressures and temperatures according to the class of application.