DIN 19538:1980-06

1 Scope and field of application
2 Standards to be observed
3 Types, dimensions and designations
      3.1 Pipes
             3.1.1 Dimensions
             3.1.2 Designations
      3.2 Fittings
             3.2.1 Dimensions
             3.2.2 Types of fittings, designations
                      3.2.2.1 Bends
                      3.2.2.2 Single, double and corner
                                 double branches
                      3.2.2.3 Reducers
                      3.2.2.4 Other fittings
4 Requirements
      4.1 Material
             4.1.1 Pipes and fittings
             4.1.2 Sealing rings
      4.2 Fire behaviour
      4.3 Finish
      4.4 Behaviour in the impact bending test
      4.5 Heat reversion (dimensional changes)
             4.5.1 Pipes
             4.5.2 Fittings
      4.6 Tightness
      4.7 Vicat softening temperature
      4.8 Surface condition
      4.9 Colour
      4.10 Dimensions
      4.11 Temperature performance
      4.12 Behaviour of sealing ring during assembly
      4.13 Water absorption
5 Testing
      5.1 Timing of the tests
      5.2 Fire behaviour
      5.3 Finish
      5.4 Impact bending test
      5.5 Heat reversion
             5.5.1 Pipes
             5.5.2 Fittings
      5.6 Tightness
      5.7 Vicat softening temperature
      5.8 Surface condition
      5.9 Colour
      5.10 Dimensions
      5.11 Temperature performance
             5.11.1 Alternating stress
             5.11.2 Fatigue stress
             5.11.3 Test assembly
      5.12 Behaviour of sealing ring during assembly
      5.13 Water absorption
6 Inspection
      6.1 General
      6.2 Internal control
             6.2.1 Nature, scope and frequency
             6.2.2 Defects
             6.2.3 Results of testing
      6.3 Third party inspection
             6.3.1 Nature, scope and frequency
             6.3.2 Sampling
             6.3.3 Inspection report
7 Marking
Other relevant standards and documents