GB 5590-1985
Replaced
GB/T 3836.31-2021
Active
National standards
GB/T 3836.31-2021 Explosive atmospheres—Part 31:Equipment dust ignition protection by enclosure “t”
GB/T 3836.31-2021 Explosive atmospheres—Part 31:Equipment dust ignition protection by enclosure “t”
Basic Information
Standard Code:
GB/T 3836.31-2021
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Explosion-proof electrical appliances
ICS Name:
Electric equipment for use in explosive environments
Publish Date:
2021-10-11
Implement Date:
2022-05-01
Publisher:
国家市场监督管理总局、国家标准化管理委员会
Technical Committee:
全国防爆电气设备标准化技术委员会(SAC/TC 9)
Pages:
15 pages
Scope
本文件规定了由防粉尘点燃外壳“t”保护的Ex设备和Ex元件的设计、结构和试验要求。
本文件适用于在爆炸性粉尘环境中用外壳保护和限制表面温度保护的电气设备。
本文件不适用于不需要大气中的氧即可燃烧的火炸药粉尘或自燃物质。
本文件不适用于甲烷和/或可燃性煤尘引起危险的煤矿井下以及煤矿地面装置用Ex设备或Ex元件。
本文件未考虑由粉尘挥发出来的可燃性或毒性气体引起的危险。
本文件是对GB/T 3836.1的通用要求的补充和修改。当本文件的要求与GB/T 3836.1的要求有冲突时，本文件的要求优先。
Development Information
Drafting Units:
南阳防爆电气研究所有限公司、安标国家矿用产品安全标志中心有限公司、中煤科工集团重庆研究院有限公司、上海仪器仪表自控系统检验测试所有限公司、卧龙电气南阳防爆集团股份有限公司、合隆防爆电气有限公司、华荣科技股份有限公司、河南黄河防爆起重机有限公司、深圳万讯自控股份有限公司、南阳中天防爆电气股份有限公司
Drafting Persons:
王军、张刚、张勇、邓永林、石磊、杨盛成、林哲林、王亚德、胡林中、柳天杰、贺婷
Same series standard
GB/T 3836.1-2021 Explosive atmospheres—Part 1:Equipment—General requirements
GB/T 3836.2-2021 Explosive atmospheres—Part 2:Equipment protection by flameproof enclosures “d”
GB/T 3836.3-2021 Explosive atmospheres—Part 3:Equipment protection by increased safety “e”
GB/T 3836.4-2021 Explosive atmospheres—art 4:Equipment protection by intrinsic safety “i”
GB/T 3836.5-2021 Explosive atmospheres—Part 5:Equipment protection by pressurized enclosure "p"
GB/T 3836.8-2021 Explosive atmospheres—Part 8: Equipment protection by type of protection “n”
GB/T 3836.9-2021 Explosive atmospheres—Part 9:Equipment protection by encapsulation “m”
GB/T 3836.13-2021 Explosive atmospheres—Part 13:Equipment repair,overhaul,reclamation and modification
GB/T 3836.28-2021 Explosive atmospheres—Part 28:Non-electrical equipment for explosive atmospheres—Basic method and requirements
GB/T 3836.29-2021 Explosive atmospheres—Part 29:Non-electrical equipment for explosive atmospheres—Constructional safety “c”,control of ignition source “b”, liquid immersion “k”
GB/T 3836.30-2021 Explosive atmospheres—Part 30:Equipment and components in explosive atmospheres in underground mines
GB/T 3836.32-2021 Explosive atmospheres—Part 32:Intrinsically safe systems with electronically controlled spark duration limitation
GB/T 3836.33-2021 Explosive atmospheres—Part 33:Equipment in adverse service conditions
GB/T 3836.34-2021 Explosive atmospheres—Part 34:Equipment assemblies
GB/T 3836.35-2021 Explosive atmospheres—Part 35:Classification of areas for explosive dust atmospheres
Replace the following standards
Referenced Standards
ANSI/ASME B1.20.1
ANSI/UL 248(所有部分)
GB/T 197-2003 General purpose metric screw threads—Tolerances
GB/T 197-2018 General purpose metric screw threads—Tolerances
GB 3836.1-2000 Electrical apparatus for explosive gas atmospheres—Part 1:General requirements
GB 3836.1-2010 Explosive atmospheres—Part 1:Equipment—General requirements
GB/T 3836.1-2021 Explosive atmospheres—Part 1:Equipment—General requirements
GB 4208-1993 Degrees of protection provided by enclosure (IP code)
GB/T 4208-2008 Degrees of protection provided by enclosure(IP code)
GB/T 4208-2017 Degrees of protection provided by enclosure(IP code)
GB/T 4942.1-2001 Classification of degrees of protection provided by enclosures of rotating electrical machines (IP code)
GB/T 4942.1-2006 Degrees of protection provided by the integral design of rotating electrical machined(IP code)—Classification
GB 9364.1-1997 Miniature fuses—Part 1:Definitions for miniature fuses and general requirement for miniature fuse-links
GB/T 9364.1-2015 Miniature fuses—Part 1:Definitions for miniature fuses and general requirement for miniature fuse-links
GB/T 9364.2-1997 Miniature fuses—Part 2:Cartridge fuse-links
GB/T 9364.2-2018 Miniature fuses—Part 2:Cartridge fuse-links
GB/T 9364.3-1997 Miniature fuses—Part 3:Sub-miniature fuse-links
GB/T 9364.3-2018 Miniature fuses—Part 3:Sub-miniature fuse-links
GB 9364.4-2006 Miniature fuses—Part 4:Universal modular fuse-links (UMF)
GB/T 9364.4-2016 Miniature fuses—Part 4:Universal modular fuse-links (UMF)—Through-hole and surface mount types
GB/T 9364.5-2011 Miniature fuses—Part 5:Guidelines for quality assessment of miniature fuse-links
GB/T 9364.6-2001 Miniature fuses—Part 6:Fuse-holders for miniature cartridge fuse-links
GB/T 9364.6-2023 Miniature fuses—Part 6:Fuse-holders for miniature fuse-links
GB/T 9364.7-2016 Miniature fuses—Part 7:Miniature fuse-links for special applications
GB/T 9364.8-2023 Miniature fuses—Part 8:Fuse resistors with particular overcurrent protection
GB/T 9364.10-2013 Miniature fuses—Part 10:User guide for miniature fuses
GB/T 9364.11-2016 Miniature fuses—Part 11:Fuse-links for LED lamps
GB/T 9816.1-2013 Thermal-links—Part 1:Requirements and application guide
GB/T 9816.1-2023 Thermal-links—Part 1:Requirements and application guide
GB/T 9364.5-2025 Miniature fuses—Part 5:Guidelines for quality assessment of miniature fuse-links
Adopt standards
IEC 60079-31:2013
Related Standards
GB 3836.9-1990
Replaced
GB 3836.9-1990 Electrical apparatus for explosive atmospheres Encapsulated electrical apparatus "m"
GB 3836.11-1991
Replaced
GB 3836.11-1991 Electrical apparatus for explosive atmospheres-Method of test for ascertainment of maximum experimental safe gap
GB 3836.12-1991
Replaced
GB 3836.12-1991 Electrical apparatus for explosive atmospheres—Classification of gases or vapours with air according to their maximum experimental safe gaps and minimum igniting currents
GB 3836.13-1997
Replaced
GB 3836.13-1997 Electrical apparatus for explosive gas atmospheres—Part 13:Repair and overhaul for apparatus used in explosive gas atmospheres
MT 703-1997
Replaced