ONORM EN 1254-3 : 1998

Foreword
1 Scope
2 Normative references
3 Definitions
3.1 Plumbing fitting
3.2 Compression End
3.3 Reducer (compression end with plastic pipe)
3.4 Adaptor fitting
3.5 Nominal diameter
3.6 Production test
3.7 Type test
4 Requirements
4.1 General
4.2 Materials
4.3 Dimensions and tolerances
4.4 Design and manufacture
4.5 Production test requirements
4.6 Type test requirements
5 Test methods
5.1 Pressure test
5.2 Dezincification resistance test
5.3 Leaktightness under internal pressure
5.4 Resistance to pull-out
5.5 Leaktightness under internal pressure whilst
      subjected to bending
5.6 Leaktightness under external hydrostatic pressure
5.7 Vacuum test
5.8 Thermal cycling test
5.9 Pressure cycling test
5.10 Stress corrosion resistance test
6 Designation
7 Marking
7.1 General
7.2 Dezincification resistant copper-zinc alloys
8 Documentation
8.1 Declaration of conformity
8.2 User instructions
Annex A (informative) Types of fitting and description of
          parts
Annex B (normative) Test criteria, depending on
          application and plastics pipe material, to
          test pipe joints of metallic fittings with
          compression ends
Annex C (normative) Determination of mean depth of
          dezincification
Annex D (informative) Bibliography

Defines materials, assembly dimensions and tolerances and test requirements for fittings of copper and copper alloys with or without plating or coating. Defines connection and dimensions of compression ends for joining plastics pipes to be used in cold or combined hot and cold water systems, or non-fuel gas systems.