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  • AS 2832.4-2006

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    Cathodic protection of metals Internal surfaces

    Available format(s):  Hardcopy, PDF 1 User, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Language(s):  English

    Published date:  23-10-2006

    Publisher:  Standards Australia

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    Abstract - (Show below) - (Hide below)

    Specifies requirements for the cathodic protection of internal surfaces of pipes and structures including but not limited to heat exchanges, hot water systems, clarifiers, ballast and water storage tanks, cooling conduits and process plants.

    Scope - (Show below) - (Hide below)

    This Standard specifies requirements for the cathodic protection of internal surfaces of pipes and structures including but not limited to heat exchangers, hot water systems, clarifiers, ballast and water storage tanks, cooling conduits and process plants. The internal surfaces of these vessels/structures may contain waters, seawaters, drinking water, brackish waters, sewage and brines. These applications will be termed electrolytes throughout the Standard.The Standard specifically covers the following subjects which relate to cathodic protection:(a) The design of structures requiring cathodic protection.(b) Coatings for use on internal surfaces.(c) Criteria for the choice of cathodic protection potential.(d) The design of cathodic protection systems.(e) The installation of cathodic protection systems.(f) The operation and maintenance of cathodic protection systems.NOTES:1 Guidance on the general use and design of cathodic protection systems and factors affecting the corrosion of internal surfaces are given in Appendix A.2 This Standard employs conventional (positive) current flow, for consistency with accepted practice, and uses the potential sign conventions specified in AS 1852. In order to understand the various electrochemical reactions which occur at electrodes during cathodic protection, it should be recognized that electron flow occurs in the opposite direction to conventional current flow.3 For guidance on the use of coatings on the internal surfaces of structures which are to be cathodically protected, refer to Appendix E.4 For guidance on the environmental factors which should be considered when designing a cathodic protection system, refer to Appendix F.5 For an example of a form that may be used with designing a cathodic protection system of internal surfaces, refer to Appendix G.6 For guidance on the graphical symbols relating to cathodic protection refer to Appendix H.7 For guidance on the calibration and maintenance of reference electrodes, refer to Appendix K.

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

    Committee MT-014
    Document Type Standard
    Product Note Reconfirmed 29/07/2016.
    This standard has been reconfirmed in Australia in 2016 and remains current in New Zealand. <a href="https://infostore.saiglobal.com/PDFReconfirmed/2832.4-2006_reconfirm.pdf">Reconfirmation Notice 29/07/2016</a>
    Publisher Standards Australia
    Status Current
    Supersedes

    History - (Show below) - (Hide below)

    First published as AS 2832.4-1994.
    Originated as AS 2832.4-1994.
    Second edition 2006.
    Reconfirmed 2016.
    Originated as AS 2832.4-1994. Second edition 2006.

    Standards Referenced By This Book - (Show below) - (Hide below)

    AS 1852.602-1988 International electrotechnical vocabulary - Generation, transmission and distribution of electricity - Generation
    AS 1852.726-1983 International electrotechnical vocabulary - Transmission lines and waveguides
    AS 1852.605-1988 International electrotechnical vocabulary - Generation, transmission and distribution of electricity - Substations
    AS/NZS 60479.2:2002 Effects of current on human beings and livestock Special aspects
    AS/NZS 2053.6:2001 Conduits and fittings for electrical installations Profile-wall, smooth-bore conduits and fittings of insulating material
    AS 1056.2-1985 Storage water heaters - Specific requirements for water heaters with single shells
    AS 1852.531-1975 International electrotechnical vocabulary - Electronic tubes
    AS/NZS 2053.8:1995 Conduits and fittings for electrical installations Flexible conduits and fittings of metal or composite material
    AS 1852.101-1978 International electrotechnical vocabulary - Mathematics
    AS 1852.461-1988 International electrotechnical vocabulary - Electric cables
    AS/NZS 2053.2:2001 Conduits and fittings for electrical installations Rigid plain conduits and fittings of insulating material
    AS 1852.581-1979 International electrotechnical vocabulary - Electromechanical components for electronic equipment
    AS/NZS 60479.1:2002 Effects of current on human beings and livestock General aspects
    AS/NZS 61558.1:2000 Safety of power transformers, power supply units and similar General requirements and tests (IEC 61558-1 Ed 1.1, MOD)
    AS 1852.302-1988 International electrotechnical vocabulary - Electrical measuring instruments
    AS 1852.845-1989 International electrotechnical vocabulary - Lighting
    AS 1852.471-1988 International electrotechnical vocabulary - Insulators
    AS/NZS 2053.1:2001 Conduits and fittings for electrical installations General requirements
    AS/NZS 2053.7:2002 Conduits and fittings for electrical installations Rigid metal conduits and fittings
    AS 1056.3-1991 Storage water heaters - Specific requirements for water heaters with composite shells
    AS/NZS 2053.4:1995 Conduits and fittings for electrical installations Flexible plain conduits and fittings of insulating material
    AS 1852.151-1988 International electrotechnical vocabulary - Electric and magnetic devices
    AS 2053-1984 Non-metallic conduits and fittings
    AS 1852.131-1988 International electrotechnical vocabulary - Electric and magnetic circuits
    AS 1852.446-1988 International electrotechnical vocabulary - Electrical relays
    AS 1852.691-1975 International electrotechnical vocabulary - Tariffs for electricity
    AS 1852.601-1988 International electrotechnical vocabulary - Generation, transmission and distribution of electricity - General
    AS 1852.841-1988 International electrotechnical vocabulary - Industrial electroheating
    AS 1852.371-1988 International electrotechnical vocabulary - Telecontrol
    AS 1852.826-1983 International electrotechnical vocabulary - Electrical installations of buildings
    AS/NZS 1768:2007 Lightning protection
    AS 1627.4-2005 Metal finishing - Preparation and pretreatment of surfaces Abrasive blast cleaning of steel
    AS 1852.441-1985 International electrotechnical vocabulary - Switchgear, controlgear and fuses
    AS/NZS 3100:2002 Approval and test specification - General requirements for electrical equipment
    AS 1852.551-1983 International electrotechnical vocabulary - Power electronics
    AS 1852.351-1978 International electrotechnical vocabulary - Automatic control
    AS 1852.303-1988 International electrotechnical vocabulary - Electronic measuring instruments
    AS 1852.603-1988 International electrotechnical vocabulary - Generation, transmission and distribution of electricity - Power system planning and management
    AS/NZS 1768(INT):2003 Lightning protection
    AS 1852.521-1988 International electrotechnical vocabulary - Semiconductor devices and integrated circuits
    AS 1852.701-1990 International electrotechnical vocabulary - Telecommunications, channels and networks
    AS/NZS 2053.3:1995 Conduits and fittings for electrical installations Rigid plain conduits and fittings of fibre-reinforced concrete material (Reconfirmed 2016)
    AS/NZS 5000.1:2005 Electric cables - Polymeric insulated For working voltages up to and including 0.6/1 (1.2) kV (Reconfirmed 2017)
    AS/NZS 2053.5:2001 Conduits and fittings for electrical installations Corrugated conduits and fittings of insulating material
    AS 1852.881-1988 International electrotechnical vocabulary - Radiology and radiological physics
    AS 1852.321-1988 International electrotechnical vocabulary - Instrument transformers
    AS 1056.1-1991 Storage water heaters - General requirements
    AS 1852.301-1988 International electrotechnical vocabulary General terms on measurements in electricity
    AS/NZS 4020:2005 Testing of products for use in contact with drinking water
    AS 1852.431-1981 International electrotechnical vocabulary - Transductors
    AS 2239-2003 Galvanic (sacrificial) anodes for cathodic protection
    AS 1852.604-1988 International electrotechnical vocabulary - Generation, transmission and distribution of electricity - Operation

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

    AS 2239-2003 Galvanic (sacrificial) anodes for cathodic protection
    AS/NZS 3004.2:2008 Electrical installations - Marinas and recreational boats Recreational boats installations
    AS/NZS 3004.1:2008 Electrical installations - Marinas and recreational boats Marinas
    AS 1056.1-1991 Storage water heaters - General requirements
    AS/NZS 3004:2002 Electrical installations - Marinas and pleasure craft at low-voltage
    AS 2832.5-2008 Cathodic protection of metals Steel in concrete structures
    AS/NZS 5131:2016 Structural steelwork - Fabrication and erection
    AS/NZS 60079.14:2009 Explosive atmospheres Electrical installations design, selection and erection (IEC 60079-14, Ed. 4.0 (2007) MOD)
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