NEN EN 1456-1 : 2001

Foreword
1 Scope
2 Normative references
3 General
   3.1 Definitions, symbols and abbreviations
   3.2 Material
4 Pipes
   4.1 Pipe material
   4.2 General characteristics
   4.3 Geometrical characteristics
   4.4 Classification and selection
   4.5 Mechanical characteristics
   4.6 Physical characteristics
   4.7 Sealing rings
   4.8 Adhesives
   4.9 Performance requirements
   4.10 Marking
   4.11 Allowable operating pressures
5 Fittings
   5.1 Material
   5.2 General characteristics
   5.3 Geometrical characteristics of fittings
   5.4 Mechanical characteristics
   5.5 Physical characteristics
   5.6 Sealing rings
   5.7 Adhesives
   5.8 Performance requirements
   5.9 Marking
6 Valve bodies and ancillary components
   6.1 Material
   6.2 General characteristics
   6.3 Geometrical characteristics
   6.4 Classification and operating conditions
   6.5 Mechanical characteristics
   6.6 Physical characteristics
   6.7 Sealing rings
   6.8 Adhesives
   6.9 Performance requirements
   6.10 Marking
7 Fitness for purpose of the system
Annex A (informative) - Guidance for installation
   A.1 Definitions, symbols and abbreviations
   A.2 Parameters influencing the design
   A.3 Hydraulic properties
   A.4 Assembly methods
   A.5 Cold bending on site
   A.6 Storage, handling and transport of pipes
   A.7 Storage, handling and transport of fittings,
         valves and ancillaries
   A.8 Installation
   A.9 Site pressure testing
   A.10 Corrosion protection
   A.11 Pressure surge
   A.12 Repairs
   A.13 Pipeline detection

Describes requirements for unplasticized poly(vinyl chloride) (PVC-U) piping systems in the field of buried and above-ground drainage and sewerage under pressure.