DIN 16873:1997-12

Foreword
1 Scope and field of application
2 Normative references
3 Concepts, quantities and symbols
      3.1 Concepts
             3.1.1 Virgin material
             3.1.2 Reworked material
             3.1.3 Reprocessed material
             3.1.4 Recycled material
      3.2 Quantities and symbols
4 Dimensions and designations
      4.1 General
      4.2 Pipes
             4.2.1 Sockets for adhesive jointing
             4.2.2 Ring seal sockets
      4.3 Fittings
             4.3.1 General
             4.3.2 Bends
             4.3.3 Double sockets and pipe sleeves
5 Material
      5.1 Pipes and fittings
      5.2 Ring seals
      5.3 Adhesives
6 Requirements
      6.1 General
      6.2 Appearance
      6.3 Colour
      6.4 Dimensions
      6.5 Strength properties
             6.5.1 Creep strength
             6.5.2 Impact strength
      6.6 Thermal stability
             6.6.1 Heat reversion
             6.6.2 Vicat softening temperature
      6.7 Leaktightness of pipes, fittings and pipe
             assemblies
             6.7.1 Resistance to hydrostatic pressure
             6.7.2 Airtightness
      6.8 Ring seal performance
      6.9 Interchangeability
7 Testing
      7.1 Appearance
      7.2 Colour
      7.3 Dimensions
      7.4 Strength properties
             7.4.1 Creep strength
             7.4.2 Impact strength
      7.5 Thermal stability
             7.5.1 Heat reversion
             7.5.2 Vicat softening temperature
      7.6 Leaktightness of pipes, fittings and pipe
             assemblies
             7.6.1 Resistance to hydrostatic pressure
             7.6.2 Airtightness
      7.7 Ring seal performance
8 Marking
9 Laying instructions
      9.1 Structural strength
      9.2 Assembly of pipes and fittings
Other relevant standards
Explanatory notes