UNI EN 1452-2 : 2001

Foreword
Introduction
1 Scope
2 Normative references
3 Definitions, symbols and abbreviations
4 Material
      4.1 Pipe material
      4.2 Density
      4.3 MRS-value
5 General characteristics
      5.1 Appearance
      5.2 Colour
      5.3 Opacity
6 Geometrical characteristics
      6.1 Measurement of dimensions
      6.2 Nominal outside diameters
      6.3 Mean outside diameters and their tolerances
      6.4 Wall thicknesses and their tolerances
      6.5 Length of pipe
      6.6 Pipes with sockets
      6.7 Pipe ends for ring seal or solvent cement
             joints
7 Classification and selection of pipes
      7.1 Classification
      7.2 Selection of the nominal pressure PN and of the
             pipe series S for water up to approximately 20
             degree C
      7.3 Determination of the allowable operating
             pressure PFA for water up to 45 degree C
8 Mechanical characteristics
      8.1 Impact strength
      8.2 Resistance to internal pressure
9 Physical characteristics
10 Chemical characteristics
11 Sealing rings
12 Adhesives
13 Performance requirements
14 Marking
      14.1 General
      14.2 Minimum required marking
      14.3 Additional marking
Annex A (normative) Allowable operating pressures
Annex B (normative) Imperial(inch)-sized pipes
Annex C (normative) Requirements for fracture toughness test
Annex D (informative) Bibliography

Defines the characteristics of pipes made from unplasticized poly (vinyl chloride) (PVC-U) for piping systems in the field of water supply.