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The current international IECEx certification standard is the IEC60079 series,

The EU ATEX certification standard is the EN60079 series,

domesticExplosion proof certificationThe standard is GB/T3836 series.

Below, Zhongnuo Testing focuses on the domestic explosion-proof certification standards.

Certification standards for explosion-proof equipment used in explosive gas environments:

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

GB/T 3836.2-2021 Explosive Atmospheres Part 2: Composed ofExplosion proofEquipment protected by shell "d"

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

GB/T 3836.4-2021 Explosive Atmospheres Part 4: Composed ofIntrinsic safety typeDevices protected by "i"

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

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

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

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

GB/T 3836.9-2021 Explosive Atmospheres Part 9: Composed ofexmDevices protected by "m"

Certification standards for the use of explosion-proof equipment in places with combustible dust:

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

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

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

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

GB/T 3836.31-2021 Explosive Atmospheres Part 31: Composed ofDust proof ignition housingDevices protected by "t"

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