- Standard No.
- GB/T 3836.31-2021
- Language
- Chinese, Available in English version
- Release Date
- 2021
- Published By
- 国家市场监督管理总局、中国国家标准化管理委员会
- Latest
-
GB/T 3836.31-2021
- Replace
-
GB 12476.5-2013
- Scope
- This document specifies the design, construction and test requirements for Ex equipment and Ex components protected by a dust ignition-tight enclosure "t". This document applies to electrical equipment protected by enclosures and limited surface temperature in explosive dust atmospheres. This document does not apply to pyrotechnic dusts or pyrophoric substances which do not require atmospheric oxygen to burn. This document does not apply to Ex equipment or Ex components for underground coal mines and above coal mine installations where methane and/or combustible coal dust pose a hazard. This document does not consider the hazards caused by flammable or toxic gases volatilized from dust. This document is a supplement and modification to the general requirements of GB/T 3836.1. When the requirements of this document conflict with the requirements of GB/T 3836.1, the requirements of this document take precedence.
GB/T 3836.31-2021 Referenced Document
- GB/T 197 General purpose metric screw threads—Tolerances
- GB/T 3836.1 Explosive atmospheres—Part 1:Equipment—General requirements
- GB/T 4208 Degrees of protection provide by enclosure (IP code)
- GB/T 4942.1 Degrees of protection provided by the integral design of rotating electrical machined (IP code) - Classification
- GB/T 9816.1 Thermal links Part 1: Requirements and application guidelines*, 2023-05-23 Update
GB/T 3836.31-2021 history
- 2021 GB/T 3836.31-2021 Explosive atmospheres—Part 31: Equipment dust ignition protection by enclosure “t”
- 2013 GB 12476.5-2013 Electrical apparatus for use in the presence of combustible dust.Part 5: Protection by enclosures "tD"
GB/T 3836.31-2021 Explosive atmospheres—Part 31: Equipment dust ignition protection by enclosure “t” has been changed from GB 12476.5-2013 Electrical apparatus for use in the presence of combustible dust.Part 5: Protection by enclosures "tD".