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  • DIN EN 14367 E : 2005

    Current The latest, up-to-date edition.

    NON CONTROLLABLE BACKFLOW PREVENTER WITH DIFFERENT PRESSURE ZONES - FAMILY C, TYPE A

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2005

    Publisher:  German Institute for Standardisation (Deutsches Institut für Normung)

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

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terms and definitions
       3.1 non controllable backflow preventer with different
           pressure zones - Family C - Type A
       3.2 Specific use
    4 Nominal size (denomination)
       4.1 Class a device
       4.2 Class b device
    5 Designation
    6 Symbolization
    7 Physico-chemical characteristics
       7.1 Materials
       7.2 Nature of the materials
    8 Design
       8.1 General
       8.2 Relief valve
    9 Characteristics and test methods
       9.1 General
       9.2 General tolerances
       9.3 Expression of the results
       9.4 End connections
       9.5 Mechanical characteristics
       9.6 Tightness characteristics
       9.7 Hydraulic characteristics
    10 Order of testing
    11 Marking and technical documents
       11.1 Marking
       11.2 Technical documents
    12 Presentation at delivery
    Annex A (normative) Complementary test methods on backflow
            preventers CA class b with a plastic body
    Annex B (informative) Examples of presentation of test results

    Abstract - (Show below) - (Hide below)

    Defines the dimensional, the physico-chemical, the design, the hydraulic, the mechanical and the acoustic characteristics of non-controllable backflow preventer with different pressure zones, family C, type A, nominal sizes DN 6 to DN 50, nominal pressure PN 10.

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

    Document Type Standard
    Publisher German Institute for Standardisation (Deutsches Institut für Normung)
    Status Current

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

    ISO 3822-1:1999 Acoustics Laboratory tests on noise emission from appliances and equipment used in water supply installations Part 1: Method of measurement
    EN 1254-4:1998/AC:1999 COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 4: FITTINGS COMBINING OTHER END CONNECTIONS WITH CAPILLARY OR COMPRESSION ENDS
    EN 1717:2000 Protection against pollution of potable water in water installations and general requirements of devices to prevent pollution by backflow
    EN ISO 228-1:2003 Pipe threads where pressure-tight joints are not made on the threads - Part 1: Dimensions, tolerances and designation (ISO 228-1:2000)
    ISO 7-1:1994 Pipe threads where pressure-tight joints are made on the threads Part 1: Dimensions, tolerances and designation
    EN ISO 5167-1:2003 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 1: General principles and requirements (ISO 5167-1:2003)
    ISO 5167-1:2003 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full Part 1: General principles and requirements
    ISO 6509:1981 Corrosion of metals and alloys Determination of dezincification resistance of brass
    EN 13959:2004 Anti-pollution check valves - DN 6 to DN 250 inclusive family E, type A, B, C and D
    EN ISO 3822-1:1999/A1:2008 ACOUSTICS - LABORATORY TESTS ON NOISE EMISSION FROM APPLIANCES AND EQUIPMENT USED IN WATER SUPPLY INSTALLATIONS - PART 1: METHOD OF MEASUREMENT
    ISO 965-1:2013 ISO general purpose metric screw threads — Tolerances — Part 1: Principles and basic data
    EN ISO 6509 : 1995 CORROSION OF METALS AND ALLOYS - DETERMINATION OF DEZINCIFICATION RESISTANCE OF BRASS
    EN 1267:2012 Industrial valves - Test of flow resistance using water as test fluid
    ISO 228-1:2000 Pipe threads where pressure-tight joints are not made on the threads Part 1: Dimensions, tolerances and designation
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