NEN EN 13434 : 2006
Current
The latest, up-to-date edition.
DEVICES TO PREVENT POLLUTION BY BACKFLOW OF POTABLE WATER - MECHANICAL DISCONNECTORS, HYDRAULIC ACTUATED - FAMILY G, TYPE B
12-01-2013
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Nominal size
5 Designation
6 Symbolization
7 Physico-chemical characteristics
7.1 Materials
7.2 Nature of the materials
8 Design
8.1 General
8.2 Relief valve
8.3 Disconnection distance
9 Characteristics and tests
9.1 General
9.2 General tolerances
9.3 Expression of the results
9.4 Dimensional characteristics
9.5 Mechanical characteristics
9.6 Leaktightness characteristics
9.7 Hydraulic characteristics
10 Order of testing
11 Marking and technical documents
11.1 General
11.2 Marking
11.3 Technical documents
12 Presentation at delivery
Annex A (informative) Examples of presentation
of test results
Bibliography
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