UNI EN 1123-1 : 2005

Foreword
1 Scope
2 Normative references
3 Definitions
4 Materials and prefabricated components
5 Dimensions
    5.1 Socket shape
    5.2 Nominal sizes
6 Requirements for pipes and fittings
    6.1 Straightness
    6.2 Ends of pipes and fittings
    6.3 Inner surface finish
    6.4 Outside surface finish
    6.5 Roundness
    6.6 Welds
7 Requirements for pipe joints
    7.1 Seals
    7.2 Requirements for the physical characteristics
          of seals
    7.3 Watertightness
    7.4 Airtightness
    7.5 Thermal stressing
    7.6 Joint assembling
8 Thermal requirements
9 Corrosion protection
    9.1 Pipes and fittings inside buildings
    9.2 Additional protective coatings
    9.3 Buried pipes and fittings
10 Testing
    10.1 Straightness of the pipes
    10.2 Squareness of the ends of the pipes and fittings
    10.3 Surfaces
    10.4 Roundness
    10.5 Appearance and watertightness of the welds
    10.6 Materials
    10.7 Corrosion protection
    10.8 Additional protective coating
    10.9 Dimensions
    10.10 Seals
    10.11 Temperature resistance
    10.12 Joints
11 Marking
    11.1 Pipes and fittings
    11.2 Seals
12 Quality control
    12.1 General
    12.2 Initial testing (type testing)
    12.3 Factory production control
Annex A (informative) Third party control
    A.1 Method and frequency
    A.2 Sampling
    A.3 Documentation
Annex B (informative) Bibliography

Defines requirements, tests and quality control for longitudinally welded, hot-dip galvanized steel pipes and fittings with spigot and socket for use in waste water systems usually operating under gravity or at a low head of pressure.