Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Technical requirements
      4.1 General
      4.2 Dimensional requirements
      4.3 Mechanical properties of ductile iron
      4.4 Coatings
      4.5 Marking
      4.6 Leaktightness
5 Performance requirements for joints
      5.1 General
      5.2 Flexible joints
      5.3 Flanged joints
6 Test methods
      6.1 Tensile testing
      6.2 Brinell hardness
      6.3 Works leaktightness tests
7 Type tests
      7.1 Leaktightness of joints to internal hydrostatic
             pressure
      7.2 Leaktightness of joints to negative internal
             pressure
      7.3 Leaktightness of joints to cyclic internal
             pressure
8 Tables of dimensions
      8.1 Dimensions of sockets for push-in flexible
             joints
      8.2 Dimensions of sockets for mechanical flexible
             joints
      8.3 Dimensions of fittings
Annex A (informative) Quality assurance