NEN EN 14451 : 2005
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
DEVICES TO PREVENT POLLUTION BY BACKFLOW OF POTABLE WATER - IN-LINE ANTI-VACUUM VALVES DN 8 TO DN 80 - FAMILY D, TYPE A
06-01-2020
01-12-2013
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 Physico-chemical characteristics
10 Characteristics and tests
11 Acoustic characteristics
Annex A (normative) Sampling and test sequence
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