NEN EN 1123-3 : 2004

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 Pipes and fittings requirements
  5.1 General
  5.2 Operating pressure, operating temperature and
      tightness
6 Dimensions
  6.1 General and tolerances
  6.2 Sockets
      6.2.1 Sockets for gravity drainage systems
      6.2.2 Sockets for vacuum operation (vacuum system)
  6.3 Pipes
      6.3.1 Pipes for gravity drainage systems (gravity
            systems)
      6.3.2 Pipes for vacuum operation (vacuum systems)
  6.4 Fittings
      6.4.1 Fittings for gravity systems
      6.4.2 Flange connecting pieces
      6.4.3 Fittings for vacuum systems
      6.4.4 Other fittings
7 Seals
  7.1 General
  7.2 Seal for DN 40 to DN 70 for socket shape 1 V and 3 V
      for vacuum operation - shape M 4
  7.3 Seal for DN 40 to DN 70 for vacuum and overpressure
      operation for socket shapes 1A, 2A, and 3A - shape M 5
  7.4 Seal for DN 40 to DN 150 for operation at higher pressures
      for socket shape 1A - shape M 6
8 Testing
9 Assessment of conformity
Bibliography

Specifies requirements, dimensions and tolerances for pipes and fittings of longitudinally welded, hot-dip galvanized steel pipe with spigot and socket used for vacuum drainage systems inside and outside buildings and for gravity and vacuum drainage systems on ships and floating maritime structures.