At present, the international IECEx certification standards are the IEC60079 series, the EU ATEX certification standards are the EN60079 series, and the domestic explosion-proof (Ex) certification standards are the GB/T 3836 series. Below, STS focuses on listing the domestic Ex certification standards.

Certification Standards for Explosion-Proof Equipment Used in Gas Environments:

GB/T 3836.1-2021 Explosive atmospheres - Part 1: Equipment - General requirements

GB/T 3836.2-2021 Explosive atmospheres - Part 2: Equipment protected by flameproof enclosures "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: Equipment protected by intrinsic safety "i"

GB/T 3836.5-2021 Explosive atmospheres - Part 5: Equipment protected by pressurized enclosures "p"

GB/T 3836.6-2017 Explosive atmospheres - Part 6: Equipment protected by oil immersion "o"

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

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

GB/T 3836.9-2021 Explosive atmospheres - Part 9: Equipment protected by encapsulation "m"

Certification Standards for Explosion-Proof Equipment Used in Dust Environments:

GB/T 3836.1-2021 Explosive atmospheres - Part 1: Equipment - General requirements

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

GB/T 3836.5-2021 Explosive atmospheres - Part 5: Equipment protected by pressurized enclosures "p"

GB/T 3836.9-2021 Explosive atmospheres - Part 9: Equipment protected by encapsulation "m"

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