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 standard explosion-proof standard combines the original GB12476 and GB25286 standards, covering the design, manufacturing, inspection, selection, installation, inspection, maintenance, repair, and site classification of equipment used in explosive environments. It adopts a partial standard format, including but not limited to the following parts.

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

Corresponding IEC standard: IEC 60079-0:2017 Explosive atmospheres Part 0: General requirements for equipment

GB/T 3836.2-2021 Explosive Atmospheres Part 2: Equipment Protected by Explosion proof Enclosures "d"

Corresponding IEC standard: IEC 60079-1:2014 Explosive atmospheres Part 1: Equipment protected by flameproof enclosure "d"

GB/T 3836.3-2021 Explosive Atmospheres Part 3: Equipment protected by increased safety "e"

Corresponding IEC standard: IEC 60079-7:2015 Explosive atmospheres Part 7: Equipment protected by increased safety "e"

GB/T 3836.4-2021 Explosive Atmospheres Part 4: Equipment protected by intrinsic safety type "i"

Corresponding IEC standard: IEC 60079-11:2011 Explosive atmospheres Part 11: Equipment protected by intrinsic safety type "i"

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

Corresponding IEC standard: IEC 60079-2:2014 Explosive atmospheres Part 2: Equipment protected by positive pressure casing "p"

GB/T 3836.6-2017 Explosive Atmospheres Part 6: Equipment Protected by Liquid Immersion "o"

Corresponding IEC standard: IEC 60079-6:2015 Explosive atmospheres 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 standard: IEC 60079-5:2015 Explosive atmospheres Part 5: Equipment protected by sand filled "q"

GB/T 3836.8-2021 Explosive Atmospheres Part 8: Equipment protected by "n" type

Corresponding IEC standard: IEC 60079-15:2017 Explosive atmospheres Part 15: Equipment protected by type "n"

GB/T 3836.9-2021 Explosive Atmospheres Part 9: Equipment protected by pouring type "m"

Corresponding IEC standard: IEC 60079-18:2014 Explosive atmospheres Part 18: Equipment protected by encapsulated "m"

GB/T 3836.11-2017 Explosive Atmospheres Part 11: Classification of Gas and Vapour Substances Characteristics Test Methods and Data

Corresponding IEC standards: IEC 60079-20-1:2010 Explosive atmospheres - Part 20-1: Classification of gas and vapor properties - Test methods and data

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

Corresponding IEC standard: ISO/IEC 80079-20-2:2016 Explosive atmospheres Part 20-2: Material characteristics Combustible dust test methods

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

Corresponding IEC standards: IEC 60079-19:2019 Explosive atmospheres Part 19: Repair, maintenance and repair of equipment

GB 3836.14-2014 Explosive Atmospheres Part 14: Classification of Places Explosive Gas Atmospheres

Corresponding IEC standards: IEC 60079-10-1:2008 Explosive atmospheres Part 10-1: Classification of hazardous locations Explosive gas environments

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

Corresponding IEC standards: IEC 60079-14:2007 Explosive atmospheres Part 14: Design, selection, and installation of electrical devices

GB/T 3836.16-2017 Explosive Atmospheres Part 16: Inspection and Maintenance of Electrical Equipment

Corresponding IEC standard: IEC 60079-17:2007 Explosive atmospheres Part 16: Inspection and maintenance of electrical devices

GB/T 3836.17-2019 Explosive Atmospheres Part 17: Equipment protected by positive pressure room "p" and artificially ventilated room "v"

Corresponding IEC standards: IEC 60079-13:2017 Explosive atmospheres Part 13: Equipment protected by positive pressure room "p" and artificially ventilated room "v"

GB/T 3836.18-2017 Explosive Atmospheres Part 18: Intrinsic Safety Electrical Systems

Corresponding IEC standards: IEC 60079-25:2010 Explosive atmospheres Part 25: Intrinsic safety electrical systems

GB 3836.20-2010 Explosive Atmospheres Part 20: Equipment with a Protection Level (EPL) of Ga

Corresponding IEC standard: IEC 60079-26:2006 Explosive atmospheres Part 26: Equipment protection level (EPL) Ga devices

GB/T 3836.21-2017 Explosive Atmospheres Part 21: Application of Equipment Production Quality System

Corresponding IEC standard: ISO/IEC 80079-34:2011 Explosive atmospheres Part 34: Application of equipment production quality system

GB/T 3836.22-2017 Explosive Atmospheres Part 22: Protective Measures for Light Radiation Equipment and Transmission Systems

Corresponding IEC standard: IEC 60079-28:2006 Explosive atmospheres Part 28: Protective measures for optical radiation equipment and transmission systems

GB/T 3836.23-2017 Explosive Atmospheres Part 23: Class I EPL Ma Equipment for Gas and/or Coal Dust Environments

Corresponding IEC standard: None

GB/T 3836.24-2017 Explosive Atmospheres Part 24: Equipment protected by special type "s"

Corresponding IEC standard: IEC 60079-33:2012 Explosive atmospheres Part 33: Equipment protected by special type "s"

GB/T 3836.25-2019 Explosive Atmospheres Part 25: Process Sealing Requirements between Flammable Process Fluids and Electrical Systems

Corresponding IEC standard: IEC TS 60079-40:2015 Explosive atmospheres Part 40: Process sealing requirements between combustible process fluids and electrical systems

GB/T 3836.26-2019 Explosive atmospheres Part 26: Guidelines for electrostatic hazards

Corresponding IEC standards: IEC TS 60079-32-1:2013 Explosive atmospheres Part 32-1: Guidelines for electrostatic hazards

GB/T 3836.27-2019 Explosive Atmospheres Part 27: Electrostatic Hazard Test

Corresponding IEC standard: IEC 60079-32:2:2015 Explosive atmospheres Part 32-2: Electrostatic hazard testing

GB/T 3836.28-2021 Explosive Environments Part 28: Basic Methods and Requirements for Non Electrical Equipment Used in Explosive Environments

Corresponding IEC standard: ISO 80079-36:2016 Explosive atmospheres Part 36: Basic methods and requirements for non electrical equipment used in explosive atmospheres

GB/T 3836.29-2021 Explosive Atmospheres Part 29: Non electrical equipment structures for explosive environments - Safety type "c", controlled ignition source type "b", liquid immersion type "k"

Corresponding IEC standards: ISO 80079-37:2016 Explosive atmospheres Part 37: Non electrical equipment for explosive atmospheres Non electrical explosion-proof types Structural safety type "c", controlled ignition source type "b", liquid immersion type "k"

GB/T 3836.30-2021 Explosive Environments Part 30: Equipment and Components for Explosive Environments in Underground Mines

Corresponding IEC standard: ISO/IEC 80079-38:2016 Explosive environments Part 38: Equipment and components for explosive environments in underground mines

GB/T 3836.31-2021 Explosive Atmospheres Part 31: Equipment protected by dust ignition proof enclosure "t"

Corresponding IEC standard: IEC 60079-31:2013 Explosive atmospheres Part 31: Equipment protected by dust ignition proof enclosure "t"

GB/T 3836.32-2021 Explosive Atmospheres Part 32: Electronic Control Spark Time Limit Intrinsic Safety Systems

Corresponding IEC standard: IEC TS 60079-39:2015 Explosive atmospheres Part 39: Electronic control spark time limit intrinsic safety system

GB/T 3836.33-2021 Explosive Atmospheres Part 33: Equipment for Severe Working Conditions

Corresponding IEC standard: IEC TS 60079-43:2017 Explosive atmospheres Part 43: Equipment for harsh working conditions

GB/T 3836.34-2021 Explosive Atmospheres Part 34: Complete Equipment

Corresponding IEC standards: IEC TS 60079-46:2017 Explosive atmospheres Part 46: Complete sets of equipment

GB/T 3836.35-2021 Explosive Atmospheres Part 35: Classification of Places in Explosive Dust Environments

Corresponding IEC standard: IEC 60079-10:2:2015 Explosive atmospheres Part 10-2: Classification of places Explosive dust environments

GB/T 3836.36-2022 Explosive atmospheres Part 36: Electrical safety devices for controlling potential ignition sources of explosion-proof equipment

Corresponding IEC standard: IEC TS 60079-42:2019 Explosive atmospheres Part 42: Electrical safety devices for controlling potential fire sources in explosion-proof equipment

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