NEN EN 545 : 2010

Foreword
Introduction
1. Scope
2. Normative references
3. Terms and definitions
4. Technical requirements
    4.1 General
    4.2 Dimensional requirements
    4.3 Material characteristics
    4.4 Coatings and linings for pipes
    4.5 Coatings for fittings and accessories
    4.6 Marking of pipes and fittings
    4.7 Leak tightness
5. Performance requirements for joints
    5.1 General
    5.2 Flexible joints
    5.3 Restrained flexible joints
    5.4 Flanged joints
    5.5 Pipes with screwed or welded flanges
6. Test methods
    6.1 Pipe dimensions
    6.2 Straightness of pipes
    6.3 Tensile testing
    6.4 Brinell hardness
    6.5 Works leak tightness test for pipes and fittings
    6.6 Zinc mass
    6.7 Thickness of paint coatings
    6.8 Thickness of cement mortar lining
7. Performance test methods
    7.1 Compressive strength of the cement mortar lining
    7.2 Leak tightness of flexible joints to positive internal
        pressure
    7.3 Leak tightness of flexible joints to negative internal
        pressure
    7.4 Leak tightness of flexible push-in joints to positive
        external pressure
    7.5 Leak tightness of flexible joints to dynamic internal
        pressure
    7.6 Leak tightness and mechanical resistance of flanged
        joints
    7.7 Leak tightness and mechanical resistance of screwed
        and welded flanges
8. Tables of dimensions
    8.1 Socket and spigot pipes
    8.2 Flanged pipes
    8.3 Fittings for socketed joints
    8.4 Fittings for flanged joints
Annex A (normative) Allowable pressures
Annex B (informative) Longitudinal bending resistance of pipes
Annex C (informative) Diametral stiffness of pipes
Annex D (informative) Field of use, characteristics of soils
Annex E (informative) Field of use, water characteristics
Annex F (informative) Quality assurance
Annex G (informative) Calculation method of buried pipelines,
        heights of cover
Bibliography

Specifies the requirements and associated test methods applicable to ductile iron pipes, fittings, accessories and their joints for the construction of pipelines: - to convey water (e. g. potable water); - with or without pressure; - to be installed below or above ground.