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With the release and implementation of the new version of the national standard GB/T3836-2021, domestic explosion-proof standards have further aligned with international explosion-proof standards. The new version of the national explosion-proof standard combines the original GB12476 and GB25286 standards, covering various aspects such as design, manufacturing, inspection, selection, installation, inspection, maintenance, repair, and site classification of equipment used in explosive environments. It adopts a segmented standard form, including but not limited to the following parts.

GB/T 3836.1-2021 Explosive Atmosphere Part 1: General Requirements for Equipment

Corresponding IEC standards: IEC 60079-0： 2017 Explosive Atmosphere Part 0: General Requirements for Equipment

GB/T 3836.2-2021 Explosive Atmosphere Part 2: Equipment Protected by Flameproof Enclosures "d"

Corresponding IEC standards: IEC 60079-1： 2014 Explosive Environments Part 1: Equipment Protected by Explosion proof Enclosures "d"

GB/T 3836.3-2021 Explosive Atmosphere Part 3: Equipment Protected by Increased Safety Type "e"

Corresponding IEC standards: IEC 60079-7: 2015 Explosive Atmosphere Part 7: Equipment Protected by Increased Safety Type "e"

GB/T 3836.4-2021 Explosive Atmosphere Part 4: Equipment Protected by Intrinsic Safety Type "i"

Corresponding IEC standards: IEC 60079-11： 2011 Explosive Atmosphere Part 11: Equipment Protected by Intrinsic Safety Type "i"

GB/T 3836.5-2021 Explosive Atmosphere Part 5: Equipment Protected by Positive Pressure Housing "p"

Corresponding IEC standards: IEC 60079-2: 2014 Explosive Atmosphere Part 2: Equipment Protected by Positive Pressure Shell "p"

GB/T 3836.6-2017 Explosive Atmosphere Part 6: Equipment Protected by Liquid Immersion Type "O"

Corresponding IEC standards: IEC 60079-6: 2015 Explosive Atmosphere Part 6: Equipment Protected by Liquid Immersion Type "O"

GB/T 3836.7-2017 Explosive atmospheres - Part 7: Equipment protected by sand filled molds "q"

Corresponding IEC standards: IEC 60079-5: 2015 Explosive Atmosphere Part 5: Equipment protected by sand filled mold "q"

GB/T 3836.8-2021 Explosive Atmosphere Part 8: Equipment Protected by "n" Type

Corresponding IEC standards: IEC 60079-15: 2017 Explosive Atmosphere Part 15: Equipment Protected by "n" Type

GB/T 3836.9-2021 Explosive Atmosphere Part 9: Equipment Protected by Sealed Type "m"

Corresponding IEC standards: IEC 60079-18: 2014 Explosive Atmosphere Part 18: Equipment Protected by Sealed Type "m"

GB/T 3836.11-2017 Explosive Atmosphere Part 11: Classification Test Methods and Data for Characteristics of Gas and Vapor Substances

Corresponding IEC standards: IEC 60079-20-1: 2010 Explosive Atmosphere Part 2-1: Classification Test Methods and Data for Gas and Vapor Substances Characteristics

GB/T 3836.12-2019 Explosive Atmosphere Part 12: Test Methods for Characteristics of Combustible Dust Substances

Corresponding IEC standards: ISO/IEC 80079-20-2: 2016 Explosive Atmosphere Part 20-2: Material Characteristics Combustible Dust Test Method

GB/T 3836.13-2021 Explosive Atmosphere Part 13: Equipment Repair, Maintenance, Restoration and Modification

Corresponding IEC standards: IEC 60079-19: 2019 Explosive Environment Part 19: Repair, Maintenance, and Restoration of Equipment

GB 3836.14-2014 Explosive Atmosphere Part 14: Site Classification Explosive Gas Atmosphere

Corresponding IEC standards: IEC 60079-10-1: 2008 Explosive Atmosphere Part 10-1: Classification of Hazardous Areas Explosive Gas Atmosphere

GB/T 3836.15-2017 Explosive Atmosphere Part 15: Design, Selection and Installation of Electrical Installations

Corresponding IEC standards: IEC 60079-14: 2007 Explosive Atmosphere Part 14: Design, Selection, and Installation of Electrical Installations

GB/T 3836.16-2017 Explosive Atmosphere Part 16: Inspection and Maintenance of Electrical Installations

Corresponding IEC standards: IEC 60079-17: 2007 Explosive Atmosphere Part 16: Inspection and Maintenance of Electrical Installations

GB/T 3836.17-2019 Explosive Atmosphere Part 17: Equipment Protected by Positive Pressure Room "p" and Artificially Ventilated Room "v"

Corresponding IEC standards: IEC 60079-13： 2017 Explosive Atmosphere Part 13: Equipment Protected by Positive Pressure Room "p" and Artificially Ventilated Room "v"

GB/T 3836.18-2017 Explosive Atmosphere Part 18: Intrinsically Safe Electrical Systems

Corresponding IEC standards: IEC 60079-25: 2010 Explosive Atmosphere Part 25: Intrinsically Safe Electrical Systems