GB/T 31239-2023 Active National standards

GB/T 31239-2023 Technical specification for fittings of 1 000 kV substation

GB/T 31239-2023 Technical specification for fittings of 1 000 kV substation

Publish Date: 2023-12-28 Implement Date: 2024-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 31239-2023
Standard Type: National standards
Standard Status: Active
is_force_gb: no
CCS Name: Transmission line equipment
ICS Name: \nTransmission lines and distribution lines
Publish Date: 2023-12-28
Implement Date: 2024-07-01
Pages: 9 pages

Scope

This document specifies the general requirements, technical requirements, marking, packaging, and accompanying documents for fittings in 1,000 kV substations, and describes the test methods and judgment criteria. This document is applicable to the design, manufacture, testing, and acceptance of fittings used in all circuits of 1,000 kV substations operating at a nominal voltage of 1,000 kV, including frame crossbars, inter-equipment connecting conductors, and insulator strings.

Development Information

Word Count: 18 Thousand words Pages: 9 pages

Replace the following standards

Referenced Standards

GB/T 93-1987 Single coil spring lock washers--Normal type GB/T 93-2025 Fasteners—Single coil spring lock washers—Normal type GB/T 95-2002 Plain washers—Product grade C GB/T 95-1985 Plain washers--Product grade C GB 2314-1997 General technical requirements for electric power fittings GB/T 2314-2008 General technical requirements for electric power fittings GB/T 2315-2000 Nominal failing load series and coupling dimensions for electric power fittings GB/T 2315-2008 Nominal failing load series and coupling dimensions for electric power fittings GB/T 2315-2017 Specified failure load series and coupling dimensionsfor electric power fittings GB/T 2317.2-2000 Corona and RIV tests for electric power fittings GB/T 2317.2-2008 Test method for electric power fittings—Part 2:Corona and RIV tests for electric power fittings GB/T 3190-1996 Wrought aluminium and aluminium alloys—Chemical composition limits GB/T 3190-2008 Wrought aluminium and aluminium alloy——Chemical composition GB/T 3190-2020 Chemical composition of wrought aluminium and aluminium alloys GB/T 3880-1997 Aluminium and aluminium alloy rolled sheet GB/T 3880.1-2006 Wrought aluminium and aluminium alloy plates,sheets and strips for general engineering—Part 1:Technical conditions of delivery GB/T 3880.1-2012 Wrought aluminium and aluminium alloy plates,sheets and strips for general engineering—Part 1:Technical conditions of delivery GB/T 3880.1-2023 Wrought aluminium and aluminium alloy plates,sheets and strips for general engineering—Part 1:Technical conditions of delivery GB/T 3880.2-2006 Wrought aluminium and aluminium alloy plates,sheets and strips for general engineering—Part 2:Mechanical properties GB/T 3880.2-2012 Wrought aluminium and aluminium alloy plates,sheets and strips for general engineering—Part 2:Mechanical properties GB/T 3880.2-2024 Wrought aluminium and aluminium alloy plates,sheets and strips for general engineering—Part 2:Mechanical properties GB/T 3880.3-2006 Wrought aluminium and aluminium alloy plates,sheets and strips for general engineering—Part 3:Tolerances on forms and dimensions GB/T 3880.3-2012 Wrought aluminium and aluminium alloy plates,sheets and strips for general engineering—Part 3:Tolerances on forms and dimensions GB/T 3880.3-2024 Wrought aluminium and aluminium alloy plates,sheets and strips for general engineering—Part 3:Tolerances on forms and dimensions GB/T 5075-2001 Terminology for electric power fittings GB/T 5075-2016 Terminology for electric power fittings DL/T 284-2012 Hot dip galvanized bolts and nuts for transmission line towers and power accessories DL/T 284-2021 The hot dip galvanized bolts and nuts used for transmission line towers and power equipment are as follows DL/T 346-2023 Device clip DL/T 346-2010 DL/T 346-2010 Equipment Terminal DL/T 347-2023 T-type wire clamp DL/T 683-2010 Electricity fittings product model naming method DL/T 683-1999 DL/T 683-1999 Electricity Fittings Product Model Naming Method DL/T 683-2024 DL/T 683-2024 Electricity Fittings Model Naming Methodology DL/T 696-2013 soft wire hardware component DL/T 696-1999 Soft busbar fixed fittings DL/T 696-2024 Soft busbar fittings DL/T 697-2013 Hard wire bushing fittings DL/T 697-1999 DL/T 697-1999 Hard Busbar Fixed Fittings DL/T 756-2001 DL/T 756-2001 Hanging wire clamp DL/T 756-2009 DL/T 756-2009 Hanger clip。 DL/T 756-2023 Hanger clip \nDL/T 757-2009 Tension Clamp \nDL/T 757-2001 Tension-resistant wire clamps DL/T 759-2023 Connecting fittings DL/T 759-2009 Connecting fittings DL/T 759-2001 Connection fittings (DL/T 759-2001) DL/T 760.3-2012 Duct pressure equalization device, shielding ring, and equalizing and shielding ring (DL/T 760.3-2012) DL/T 760.3-2001 Fan/Gasket/Barrier Ring and Voltage Regulating/Shielding and Barrier Ring (DL/T 760.3-2001) DL/T 764-2014 Electricity hardware with hexagon head bolts with screw holes in the rod part DL/T 764.1-2001 Electricity fittings dedicated fasteners, hexagonal head bolts with pronged holes DL/T 764.1-2025 Electricity fasteners for fittings - Part 1: Hexagon head bolts with shank and pin through holes for use in electric power fittings DL/T 764.2-2001 Electricity fittings dedicated fasteners with closed pins DL/T 764.2-2025 Electricity fasteners for fittings - Part 2: Fastening hexagon head bolts and nuts for use in electric power fittings DL/T 764.3-2025 Electricity fasteners for fittings - Part 3: Closed-end pins DL/T 764.4-2002 Cold forging hot dip galvanizing bolt and nut for tower and hardware of transmission lines DL/T 768.2-2017 Electricity Fittings Manufacturing Quality - Part 2: Forged Steel Fittings DL/T 768.2-2002 Electricity Fittings Manufacturing Quality: Forged Parts DL/T 768.3-2017 Electricity Fittings Manufacturing Quality - Part 3: Stamping Parts DL/T 768.3-2002 Electricity fittings manufacturing quality, stamping parts DL/T 768.5-2017 Electricity Fittings Manufacturing Quality - Part 5: Aluminum Components DL/T 768.5-2002 Power fittings manufacturing quality aluminum components DL/T 768.6-2002 Manufacture quality specification for electric power fittings welding DL/T 768.7-2012 Electricity fittings manufacturing quality of steel parts hot-dip zinc coating DL/T 768.7-2002 Electricity fittings manufacturing quality and hot-dip galvanized layer of steel parts DL/T 1098-2016 DL/T 1098-2016 Interspace rod technical specification and test methods DL/T 1098-2009 DL/T 1098-2009 Interspacing Strips Technical Conditions and Test Methods DL/T 1343-2014 Electricity fittings with closed pins

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