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

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

GB/T 3836.2-2021 Explosive Atmosphere Part 2:fromExplosion proof shellDevices protected by'd '

3. GB/T 3836.3-2021 Explosive Atmosphere Part 3:Devices protected by increased safety type "e"

4. GB/T 3836.4-2021 Explosive Atmosphere Part 4:Devices protected by intrinsic safety type 'i'

5. GB/T 3836.5-2021 Explosive Atmosphere Part 5:Equipment protected by positive pressure shell 'p'

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

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

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

9. GB/T 3836.9-2021 Explosive Atmosphere Part 9:fromexmEquipment protected by'm '

10. GB/T 3836.11-2017 Explosive Atmosphere Part 11:Classification test methods and data for gas and vapor substance characteristics

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

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

13. GB 3836.14-2014 Explosive Atmosphere Part 14:Place classification: Explosive gas environment

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

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

GB/T 3836.17-2019 Explosive Atmosphere Part 17:Equipment protected by positive pressure room "p" and artificial ventilation room "v"

GB/T 3836.18-2017 Explosive Atmosphere Part 18:Intrinsic safety electrical system

18. GB 3836.20-2010 Explosive Atmosphere Part 20:Equipment with an EPL level of Ga

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

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

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

GB/T 3836.24-2017 Explosive Atmosphere Part 24:Devices protected by special type's'

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

24. GB/T 3836.26-2019 Explosive Atmosphere Part 26:Guidelines for Static Electricity Hazards

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

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

27. GB/T 3836.29-2021 Explosive Atmosphere 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 Atmosphere Part 30:Equipment and components for explosive environments in underground mines

29. GB/T 3836.31-2021 Explosive Atmosphere Part 31:Equipment protected by anti dust ignition shell "t"

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

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

32. GB/T 3836.34-2021 Explosive Atmosphere Part 34:complete set of equipment

33. GB/T 3836.35-2021 Explosive Atmosphere Part 35:Classification of places with explosive dust environment

From the comparison between the new and old explosion-proof standards, it can be seen that the new version of explosion-proof standards will be more detailed and supplement and elaborate on the shortcomings of the old version. Enterprises need to do a good job in the new version of explosion-proof design when designing productsExplosion proof standardInterpretation work or consultation with Zhongnuo Testing.

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