• BS 148:2009

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    Reclaimed mineral insulating oil for transformers and switchgear. Specification

    Available format(s):  Hardcopy, PDF

    Superseded date:  30-03-2020

    Language(s):  English

    Published date:  28-02-2009

    Publisher:  British Standards Institution

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

    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Identification and delivery
    5 Sampling
    6 Properties of the oils
    7 Test methods
    Annex A (normative) - Analysis method for determination
                          of passivators in mineral oils by
                          high performance liquid chromatography

    Abstract - (Show below) - (Hide below)

    Describes requirements for reclaimed oxidation inhibited and uninhibited mineral insulating oils, as delivered, for use in transformers, switchgear and similar electrical equipment in which oil is required as an insulant or for heat transfer.

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

    Committee GEL/10
    Development Note Supersedes BS 148(1998) & 08/30167496 DC. (02/2009)
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By

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

    BS EN 60247:2004 Insulating liquids. Measurement of relative permittivity, dielectric dissipation factor (tan δ) and d.c. resistivity
    BS EN ISO 3675:1998 Crude petroleum and liquid petroleum products. Laboratory determination of density. Hydrometer method
    BS EN 60296:2012 Fluids for electrotechnical applications. Unused mineral insulating oils for transformers and switchgear
    BS EN 62021-1:2003 Insulating liquids. Determination of acidity Automatic potentiometric titration
    BS EN 62021-2:2007 Insulating liquids. Determination of acidity Colourimetric titration
    BS EN 60156:1996 Insulating liquids. Determination of the breakdown voltage at power frequency. Test method
    BS EN 61125:1993 Unused hydrocarbon-based insulating liquids. Test methods for evaluating the oxidation stability
    IEC 60475:2011 Method of sampling insulating liquids
    BS 5263:1975 Method for sampling liquid dielectrics
    BS EN 60814:1998 Insulating liquids. Oil-impregnated paper and pressboard. Determination of water by automatic coulometric Karl Fischer titration
    BS 5984:1980 Method for detection and determination of specified anti-oxidant additives in insulating oils
    BS EN 62535:2009 Insulating liquids. Test method for detection of potentially corrosive sulphur in used and unused insulating oil
    BS EN ISO 3104:1996 Methods of test for petroleum and its products. Petroleum products. Transparent and opaque liquids. Determination of kinematic viscosity and calculation of dynamic viscosity
    BS EN 61198:1994 Mineral insulating oils. Methods for the determination of 2-furfural and related compounds
    BS EN ISO 2719:2002 Determination of flash point. Pensky-Martens closed cup method
    BS EN 61619:1997 Insulation liquids. Contamination by polychlorinated biphenyls (PCBs). Method of determination by capillary column gas chromatography
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