NEN EN 12842 : 2012
Current
The latest, up-to-date edition.
DUCTILE IRON FITTINGS FOR PVC-U OR PE PIPING SYSTEMS - REQUIREMENTS AND TEST METHODS
12-01-2013
Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Technical requirements
4.1 General
4.2 Dimensional requirements
4.3 Mechanical properties of ductile iron
4.4 Coatings
4.5 Marking
4.6 Leaktightness
5 Performance requirements for joints
5.1 General
5.2 Flexible joints
5.3 Flanged joints
6 Test methods
6.1 Tensile testing
6.2 Brinell hardness
6.3 Works leaktightness tests
7 Type tests
7.1 Leaktightness of joints to internal hydrostatic
pressure
7.2 Leaktightness of joints to negative internal
pressure
7.3 Leaktightness of joints to cyclic internal
pressure
8 Tables of dimensions
8.1 Dimensions of sockets for push-in flexible
joints
8.2 Dimensions of sockets for mechanical flexible
joints
8.3 Dimensions of fittings
Annex A (informative) Quality assurance
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