NEN EN 1124-4 : 2013

Foreword
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 Pipes, fittings and seals used for system X according
      to EN 1124-3
      6.2.1 Sockets
      6.2.2 Pipes and fittings for deck drainage and gravity
            drainage systems (gravity systems)
      6.2.3 Components for vacuum systems
      6.2.4 Other fittings
      6.2.5 Seals for system X
  6.3 Pipes, fittings and seals used for system S as specified
      in EN 1124-2
      6.3.1 Sockets for gravity drainage systems (gravity systems)
      6.3.2 Pipes and fittings for deck drainage and gravity
            drainage systems (gravity systems)
      6.3.3 Components for vacuum systems
      6.3.4 Other fittings
      6.3.5 Seals for system S
7 Testing
8 Assessment of conformity (quality control)
Bibliography