17/30349097 DC : 0
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
BS EN 13077 - DEVICES TO PREVENT POLLUTION BY BACKFLOW OF POTABLE WATER - AIR GAP WITH NON-CIRCULAR OVERFLOW (UNRESTRICTED) - FAMILY A - TYPE B
Hardcopy , PDF
13-04-2018
English
European foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Designation
5 Symbolization
6 Materials
7 Requirements
8 Marking (not required for site constructed products)
9 Technical documents
Annex A (informative) - Relationship between h and l for air gap
Family A, Type B with rectangular overflow
Annex B (normative) - Alternative overflow arrangements
Annex C (normative) - Vacuum Test
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