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  • ASTM
    D5222-00 Standard Specification for High Fire-Point Mineral Electrical Insulating Oils
    Edition: 2000
    $82.37
    Unlimited Users per year

Description of ASTM-D5222 2000

ASTM D5222-00

Historical Standard: ASTM D5222-00 Standard Specification for High Fire-Point Mineral Electrical Insulating Oils

SUPERSEDED (see Active link, below)




ASTM D5222

1. Scope

1.1 This specification describes a high fire-point mineral oil based insulating fluid, for use as a dielectric and cooling medium in new and existing power and distribution electrical apparatus, such as transformers and switchgear.

1.2 High fire-point insulating oil differs from conventional mineral insulating oil by possessing a fire-point of at least 300 o C. High fire-point mineral insulating oils are also referred to as 'less flammable' mineral insulating oils.This property is necessary in order to comply with certain application requirements of the National Electrical Code (Article 450-23) or other agencies. The material discussed in this specification is miscible with other petroleum based insulating oils. Mixing high fire-point liquids with lower fire point hydrocarbon insulating oils (for example, Specification D3487 mineral oil) may result in fire points of less than 300 o C.

1.3 This specification is intended to define a high fire-point electrical mineral insulating oil that is compatible with typical material of construction of existing apparatus and will satisfactorily maintain its functional characteristic in its application in this application. The material described in this specification may not be miscible with electrical insulating liquids of non-petroleum origin. The user should contact the manufacturer of the high fire-point insulating oil for guidance in this respect.

1.4 This specification applies only to new insulating material oil as received prior to any processing. Information on in-service maintenance testing is available in appropriate guides. The user should contact the manufacturers of the equipment or oil if questions of recommended characteristics or maintenance procedures arise.


2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

ASTM Standards

D92 Test Method for Flash and Fire Points by Cleveland Open Cup Tester

D97 Test Method for Pour Point of Petroleum Products

D117 Guide for Sampling, Test Methods, and Specifications for Electrical Insulating Oils of Petroleum Origin

D445 Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity)

D611 Test Methods for Aniline Point and Mixed Aniline Point of Petroleum Products and Hydrocarbon Solvents

D664 Test Method for Acid Number of Petroleum Products by Potentiometric Titration

D877 Test Method for Dielectric Breakdown Voltage of Insulating Liquids Using Disk Electrodes

D878 Test Method for Inorganic Chlorides and Sulfates in Insulating Oils

D923 Practices for Sampling Electrical Insulating Liquids

D924 Test Method for Dissipation Factor (or Power Factor) and Relative Permittivity (Dielectric Constant) of Electrical Insulating Liquids

D971 Test Method for Interfacial Tension of Oil Against Water by the Ring Method

D974 Test Method for Acid and Base Number by Color-Indicator Titration

D1275 Test Method for Corrosive Sulfur in Electrical Insulating Oils

D1298 Test Method for Density, Relative Density (Specific Gravity), or API Gravity of Crude Petroleum and Liquid Petroleum Products by Hydrometer Method

D1500 Test Method for ASTM Color of Petroleum Products (ASTM Color Scale)

D1524 Test Method for Visual Examination of Used Electrical Insulating Oils of Petroleum Origin in the Field

D1533 Test Method for Water in Insulating Liquids by Coulometric Karl Fischer Titration

D1816 Test Method for Dielectric Breakdown Voltage of Insulating Oils of Petroleum Origin Using VDE Electrodes

D2112 Test Method for Oxidation Stability of Inhibited Mineral Insulating Oil by Pressure Vessel

D2300 Test Method for Gassing of Electrical Insulating Liquids Under Electrical Stress and Ionization (Modified Pirelli Method)

D2440 Test Method for Oxidation Stability of Mineral Insulating Oil

D2668 Test Method for 2,6-di-tert-Butyl- p-Cresol and 2,6-di-tert-Butyl Phenol in Electrical Insulating Oil by Infrared Absorption

D2864 Terminology Relating to Electrical Insulating Liquids and Gases

D3487 Specification for Mineral Insulating Oil Used in Electrical Apparatus

D4059 Test Method for Analysis of Polychlorinated Biphenyls in Insulating Liquids by Gas Chromatography

D4768 Test Method for Analysis of 2,6-Ditertiary-Butyl Para-Cresol and 2,6-Ditertiary-Butyl Phenol in Insulating Liquids by Gas Chromatography

National Fire Protection Association Standards

NationalElectricalCo Article 450-23 Available from the National Fire Protection Association, Batterymarch Park, Quincy, MA 02269.

Institute of Electrical and Electronics Engineers Standard

C57.121 Guide for Acceptance and Maintenance of Less-Flammable Hydrocarbon Fluids and its Maintenance in Transformers Available from the Institute of Electrical and Electronics Engineers, Inc. 345 E. 47th St., New York, NY 10017-2394.

Keywords

electrical insulating oil; fire point; flammability; insulating fluid; mineral insulating oil; Cooling media; Dielectric fluids; Electrical insulating oils--specifications; Fire-point; Flammability; High fire-point electrical insulating oils; Insulating fluids--specifications; Mineral insulating oil--specifications; Power/distribution electrical systems; Switchgears; Transformers--specifications;


ICS Code

ICS Number Code 29.040.10 (Insulating oils)


DOI: 10.1520/D5222-00

ASTM International is a member of CrossRef.


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