UNI EN 13078 : 2004
Current
The latest, up-to-date edition.
DEVICES TO PREVENT POLLUTION BY BACKFLOW OF POTABLE WATER - AIR GAP WITH SUBMERGED FEED INCORPORATING AIR INLET PLUS OVERFLOW - FAMILY A - TYPE C
01-03-2004
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbolization
5 Designation
6 Materials
7 Requirements
7.1 General
7.2 Water inlet device
7.3 Overflow arrangement
7.4 Air gap (distance)
7.5 Verification of the air gap
7.6 Efficiency of the air inlet orifice
8 Marking (not required for site constructed products)
9 Technical documents
Annex A (normative) Vacuum test
A.1 General
A.2 Principle
A.3 Apparatus
A.4 Procedure
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