I.S. EN 14451:2020
Current
The latest, up-to-date edition.
Devices to prevent pollution by backflow of potable water - In-line anti-vacuum valves DN 10 to DN 50 inclusive - Family D, type A
Hardcopy , PDF
English
07-13-2020
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
European foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Nominal size
5 Designation
6 Marking and technical documents
7 Symbolization
8 General design characteristics
9 Materials and surface finishes
10 Characteristics and tests
11 Acoustic characteristics
Annex A (informative) Sampling and test sequence
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