GB 5590-1985
Replaced
GB/T 3836.12-2019
Active
National standards
GB/T 3836.12-2019 Explosive atmospheres—Part 12:Material characteristics for combustible dusts—Test methods
GB/T 3836.12-2019 Explosive atmospheres—Part 12:Material characteristics for combustible dusts—Test methods
Basic Information
Standard Code:
GB/T 3836.12-2019
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:
2019-12-31
Implement Date:
2020-07-01
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:
40 pages
Scope
《爆炸性环境》的本部分规定了测定可燃性粉尘和可燃性粉尘层的试验方法，用于对存在这类物质的场所进行分类，以便正确选择和安装可燃性粉尘环境用电气设备和非电气设备（机械设备等）。
测定的可燃性粉尘特性适用于以下环境条件：
——温度：-20 ℃～＋60 ℃；
——压力：80 kPa～110 kPa；
——空气中正常氧含量（体积比）：通常为21％。
本部分规定的试验方法不适用于：
——已知的爆炸物质、推进剂（如火药、炸药），或者在某些条件下有类似特性的物质或混合物；或者
——不需要大气中的氧即可燃烧的爆炸物质或推进剂。
Development Information
Drafting Units:
南阳防爆电气研究所有限公司、国家能源投资集团有限责任公司、国家防爆电气产品质量监督检验中心、神华宁夏煤业集团有限责任公司、招商局港口集团股份有限公司赤湾港务本部、华荣科技股份有限公司、新黎明科技股份有限公司、飞策防爆电器有限公司、金方圆安全技术研究院(苏州)有限公司、河北福道注册安全工程师事务所有限公司
Drafting Persons:
王军、张刚、孟峰、朱宗保、赵庆和、周京、郑振晓、徐跃弟、孟宪卫、刘福来、王巧立
Same series standard
GB/T 3836.17-2019 Explosive atmospheres—Part 17:Equipment protection by pressurized room “p” and artifically ventilated room “v”
GB/T 3836.25-2019 Explosive atmospheres—Part 25:Requirements for process sealing between flammable process fluids and electrical systems
GB/T 3836.26-2019 Explosive atmospheres—Part 26:Electrostatic hazards—Guidance
GB/T 3836.27-2019 Explosive atmospheres—Part 27:Electrostatic hazards—Test
Replace the following standards
GB/T 12476.8-2010 Electrical apparatus for use in the presence of combustible dust—Part 8:Test methods—Methods for determining the minimum ignition temperatures of dust
GB/T 12476.9-2010 Electrical apparatus for use in the presence of combustible dust—Part 9:Test methods—Method for determining the electrical resistivity of dust in layers
GB/T 12476.10-2010 Electrical apparatus for use in the presence of combustible dust—Part 10:Test methods—Method for determining minimum ignition energy of dust/air mixtures
Adopt standards
ISO/IEC 80079-20-2:2016
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