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Recently, many customers have been inquiring about the update date of the new explosion-proof certification standard GB/T3836.Zhongnuo TestingLet me tell everyone,The new explosion-proof standard GB/T3836-2021 has been officially implemented on May 1, 2022. Because there have been quite a few standard updates this time, most of the standards related to product certification have been updated. Here, we will list the latest and most current onesExplosion proof product certificationThe standard is for everyone's reference.

1. GB/T 3836.1-2021 Explosive Atmospheres Part 1:General requirements for equipment

GB/T 3836.2-2021 Explosive Atmospheres Part 2:fromExplosion proof shellDevices protected by "d"

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

4. 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 casing "p"

6. GB/T 3836.6-2017 Explosive Atmospheres Part 6:Equipment protected by liquid immersion type "o"

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

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

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

10. GB/T 3836.11-2017 Explosive Atmospheres Part 11:Classification test methods and data for the characteristics of gas and vapor substances

11. GB/T 3836.12-2019 Explosive Atmospheres Part 12:Test method for characteristics of combustible dust substances

GB/T 3836.13-2021 Explosive Atmospheres Part 13:Repair, maintenance, repair, and renovation of equipment

13. GB 3836.14-2014 Explosive Atmospheres Part 14:Location classification: Explosive gas environment

14. GB/T 3836.15-2017 Explosive Atmospheres Part 15:Design, selection, and installation of electrical equipment

15. GB/T 3836.16-2017 Explosive Atmospheres Part 16:Inspection and maintenance of electrical equipment

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

17. GB/T 3836.18-2017 Explosive Atmospheres Part 18:Intrinsically safe electrical systems

18. GB 3836.20-2010 Explosive Atmospheres Part 20:Devices with a Device Protection Level (EPL) of Ga

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

20. GB/T 3836.22-2017 Explosive Atmospheres Part 22:Protective measures for optical radiation equipment and transmission systems

21. GB/T 3836.23-2017 Explosive Atmospheres Part 23:Class I EPL Ma level equipment for gas and/or coal dust environments

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

23. GB/T 3836.25-2019 Explosive Atmospheres Part 25:Process sealing requirements between combustible process fluids and electrical systems

24. GB/T 3836.26-2019 Explosive Atmospheres Part 26:Guidelines for electrostatic hazards

25. GB/T 3836.27-2019 Explosive Atmospheres Part 27:Static hazard test

26. GB/T 3836.28-2021 Explosive Atmospheres Part 28:Basic methods and requirements for non electrical equipment used in explosive environments

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

28. GB/T 3836.30-2021 Explosive Atmospheres Part 30:Equipment and components for explosive environments in underground mines

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

30. GB/T 3836.32-2021 Explosive Atmospheres Part 32:Electronic controlled spark time limit intrinsic safety system

31. GB/T 3836.33-2021 Explosive Atmospheres Part 33:Equipment for harsh working conditions

32. GB/T 3836.34-2021 Explosive Atmospheres Part 34:Complete set of equipment

33. GB/T 3836.35-2021 Explosive Atmospheres Part 35:Classification of explosive dust environments

From the comparison of new and old explosion-proof standards, it can be seen that the new version of explosion-proof standards will be more refined, and the shortcomings of the old version will be supplemented and detailed. Enterprises need to do a good job in the new version of explosion-proof design when carrying out product explosion-proof designExplosion proof standardInterpretation work or consultation with Zhongnuo Testing.

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