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ASTM D8240-22e1

(Specification)

Standard Specification for Less-Flammable Synthetic Ester Liquids Used in Electrical Apparatus

Standard Specification for Less-Flammable Synthetic Ester Liquids Used in Electrical Apparatus

SCOPE
1.1 This specification covers less-flammable (high fire point) synthetic ester insulating liquids for use as a dielectric and cooling in new and existing electrical power apparatus including power and distribution transformers, switchgear, and other associated equipment  
1.2 Synthetic ester insulating liquids differ from conventional mineral oil and other less-flammable (high fire point) liquids in that they are products derived from the chemical reaction, processing, and physical treatments of a carboxylic acid and an alcohol.  
1.3 This specification is intended to define synthetic ester electrical insulating liquids that are compatible with typical materials of construction of existing apparatus and are expected to maintain their functional characteristics in these applications. The material described in this specification is not always miscible with other electrical insulating liquids. The user should contact the manufacturer of the synthetic ester insulating liquid for guidance in this respect.  
1.4 This specification applies only to unused synthetic ester insulating liquids as received prior to any processing. The user should contact the manufacturer of the equipment or liquid, or both, if questions of recommended characteristics or liquid maintenance procedures arise.  
1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

General Information

Status
Published
Publication Date
14-Jul-2022
ICS
29.040.10 - Insulating oils
29.080.01 - Electrical insulation in general
Technical Committee
D27 - Electrical Insulating Liquids and Gases
Drafting Committee
D27.02 - Gases and Non-Mineral Oil Liquids
Current Stage
Ref Project

Relations

Refers
ASTM D5985-02(2020) - Standard Test Method for Pour Point of Petroleum Products (Rotational Method)
Effective Date
01-May-2020
Refers
ASTM D6892-03(2020) - Standard Test Method for Pour Point of Petroleum Products (Robotic Tilt Method)
Effective Date
01-May-2020

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ASTM D8240-22e1 - Standard Specification for Less-Flammable Synthetic Ester Liquids Used in Electrical ApparatusASTM D8240-22e1 - Standard Specification for Less-Flammable Synthetic Ester Liquids Used in Electrical Apparatus
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ASTM D8240-22e1 - Standard Specification for Less-Flammable Synthetic Ester Liquids Used in Electrical Apparatus
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This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
´1
Designation:D8240 −22
Standard Specification for
Less-Flammable Synthetic Ester Liquids Used in Electrical
1
Apparatus
This standard is issued under the fixed designation D8240; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1
ε NOTE—In Table 1, IEC 51125 was corrected editorially to IEC 61125 in the last entry right column and % was added
after Dissipation factor (power factor) at 60 Hz, max in the left column in November 2022.
1. Scope 1.7 This international standard was developed in accor-
dance with internationally recognized principles on standard-
1.1 This specification covers less-flammable (high fire
ization established in the Decision on Principles for the
point) synthetic ester insulating liquids for use as a dielectric
Development of International Standards, Guides and Recom-
and cooling in new and existing electrical power apparatus
mendations issued by the World Trade Organization Technical
including power and distribution transformers, switchgear, and
Barriers to Trade (TBT) Committee.
other associated equipment
1.2 Synthetic ester insulating liquids differ from conven-
2. Referenced Documents
tional mineral oil and other less-flammable (high fire point)
2
2.1 ASTM Standards:
liquids in that they are products derived from the chemical
D92 Test Method for Flash and Fire Points by Cleveland
reaction, processing, and physical treatments of a carboxylic
Open Cup Tester
acid and an alcohol.
D97 Test Method for Pour Point of Petroleum Products
1.3 This specification is intended to define synthetic ester
D117 Guide for Sampling, Test Methods, and Specifications
electrical insulating liquids that are compatible with typical
for Electrical Insulating Liquids
materials of construction of existing apparatus and are ex-
D445 Test Method for Kinematic Viscosity of Transparent
pected to maintain their functional characteristics in these
and Opaque Liquids (and Calculation of Dynamic Viscos-
applications. The material described in this specification is not
ity)
always miscible with other electrical insulating liquids. The
D923 Practices for Sampling Electrical Insulating Liquids
user should contact the manufacturer of the synthetic ester
D924 Test Method for Dissipation Factor (or Power Factor)
insulating liquid for guidance in this respect.
and Relative Permittivity (Dielectric Constant) of Electri-
cal Insulating Liquids
1.4 This specification applies only to unused synthetic ester
D974 Test Method for Acid and Base Number by Color-
insulating liquids as received prior to any processing. The user
Indicator Titration
should contact the manufacturer of the equipment or liquid, or
D1275 Test Method for Corrosive Sulfur in Electrical Insu-
both, if questions of recommended characteristics or liquid
lating Liquids
maintenance procedures arise.
D1298 Test Method for Density, Relative Density, or API
1.5 The values stated in SI units are to be regarded as
Gravity of Crude Petroleum and Liquid Petroleum Prod-
standard. No other units of measurement are included in this
ucts by Hydrometer Method
standard.
D1524 Test Method for Visual Examination of Used Elec-
1.6 This standard does not purport to address all of the
trical Insulating Liquids in the Field
safety concerns, if any, associated with its use. It is the
D1533 Test Method for Water in Insulating Liquids by
responsibility of the user of this standard to establish appro-
Coulometric Karl Fischer Titration
priate safety, health, and environmental practices and deter-
D1816 Test Method for Dielectric Breakdown Voltage of
mine the applicability of regulatory limitations prior to use.
Insulating Liquids Using VDE Electrodes
D1903 Practice for Determining the Coefficient of Thermal
1
This specification is under the jurisdiction of ASTM Committee D27 on
2
Electrical Insulating Liquids and Gases and is the direct responsibility of Subcom- For referenced ASTM standards, visit the ASTM website, www.astm.org, or
mittee D27.02 on Gases and Non-Mineral Oil Liquids. contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Current edition approved July 15, 2022. Published August 2022. DOI: 10.1520/ Standards volume information, refer to the standard’s Document Summary page on
D8240-22E01. the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
´1
D8240−22
Expansion
...

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SCOPE
1.1 This guide establishes the means and frequency of monitoring the neutron exposure of the LWR reactor pressure vessel throughout its operating life.  
1.2 The physics-dosimetry relationships determined from this guide may be used to estimate reactor pressure vessel damage through the application of Practice E693 and Guide E900, using fast neutron fluence (E > 1.0 MeV and E > 0.1 MeV), displacements per atom (dpa), or damage-function-correlated exposure parameters as independent exposure variables. Supporting the application of these standards are the E853, E944, E1005, and E1018 standards, identified in 2.1.  
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

  • Guide
    12 pages
    English language
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  • Guide
    12 pages
    English language
    sale 15% off