I.S. EN 61770:2009
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
ELECTRIC APPLIANCES CONNECTED TO THE WATER MAINS - AVOIDANCE OF BACKSIPHONAGE AND FAILURE OF HOSE-SETS
Hardcopy , PDF
22-08-2019
English
01-01-2009
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.
NATIONAL FOREWORD
FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 General requirements
5 General conditions for the tests
6 Airgaps
7 Pipe interrupters
8 Dynamic backflow preventers
9 Hose-sets
Annex A (normative) - Backsiphonage and Backpressure
tests
Annex ZA (normative) - Analysis method for determining
the necessary protection device to prevent
backsiphonage
Annex ZB (informative) - Guide table for determining
the fluid category from which protection is
required
Annex ZC (normative) - Normative references to
international publications with their
corresponding European publications
Annex ZD (informative) - A-deviations
Bibliography
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