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    I.S. EN 61770:2009

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    ELECTRIC APPLIANCES CONNECTED TO THE WATER MAINS - AVOIDANCE OF BACKSIPHONAGE AND FAILURE OF HOSE-SETS

    Available format(s):  Hardcopy, PDF

    Superseded date:  22-08-2019

    Language(s):  English

    Published date:  01-01-2009

    Publisher:  National Standards Authority of Ireland

    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.

    Dates of withdrawal of national standards are available from NSAI.

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    Table of Contents - (Show below) - (Hide below)

    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

    Abstract - (Show below) - (Hide below)

    Describes requirements for appliances for household and similar purposes to prevent the backflow of non-potable water into the water mains.

    General Product Information - (Show below) - (Hide below)

    Development Note Supersedes I.S. EN 50084. (01/2010) For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Superseded
    Superseded By
    Supersedes

    Standards Referencing This Book - (Show below) - (Hide below)

    EN 14453:2005 Devices to prevent pollution by backflow of potable water - Pipe interrupter with permanent atmospheric vent DN 10 to DN 20 - Family D, type C
    EN 14623:2005 Devices to prevent pollution by backflow of potable water - Air gaps with minimum circular overflow (verified by test or measurement) - Family A, type G
    EN 14451:2005 Devices to prevent pollution by backflow of potable water - In-line anti-vacuum valves DN 8 to DN 80 - Family D, type A
    EN 13618:2016 Flexible hose assemblies in drinking water installations - Functional requirements and test methods
    EN 15096:2008 Devices to prevent pollution by backflow of potable water - Hose Union anti-vacuum valves - DN 15 to DN 25 inclusive Family H, type B and type D - General technical specification
    EN 13079:2003 Devices to prevent pollution by backflow of potable water - Air gap with injector - Family A - Type D
    EN 13076:2003 Devices to prevent pollution by backflow of potable water - Unrestricted air gap-Family A - Type A
    EN 60730-2-8:2002/A1:2003 AUTOMATIC ELECTRICAL CONTROLS FOR HOUSEHOLD AND SIMILAR USE - PART 2-8: PARTICULAR REQUIREMENTS FOR ELECTRICALLY OPERATED WIRE VALVES, INCLUDING MECHANICAL REQUIREMENTS
    IEC 60730-2-8:2000+AMD1:2002+AMD2:2015 CSV Automatic electrical controls for household and similar use - Part 2-8: Particular requirements for electrically operated watervalves, including mechanical requirements
    EN 14452:2005 Devices to prevent pollution by backflow of potable water - Pipe interrupter with atmospheric vent and moving element DN 10 to DN 20 - Family D, type B
    EN 14622:2005 Devices to prevent pollution by backflow of potable water - Air gap with circular overflow (restricted) - Family A, type F
    EN 12729:2002 Devices to prevent pollution by backflow of potable water - Controllable backflow preventer with reduced pressure zone - Family B - Type A
    EN 13959:2004 Anti-pollution check valves - DN 6 to DN 250 inclusive family E, type A, B, C and D
    EN 14454:2005 Devices to prevent pollution by backflow of potable water - Hose union backflow preventer DN 15 to DN 32 - Family H, type A
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