NFPA 499 化学工艺区易燃粉尘的分类及电气安装危险性分类推荐做法
日期:2012-02-09 16:43
ctrical equipment that will not be an ignition source in environments where combustible dusts are produced, processed, or handled. This Recommended Practice also provides extensive data on physical properties of selected materials, including specific Class II, Division dust group information.
Consistent with the 2008 NEC, the 2008 NFPA 499 includes the following updates to help reduce hazards
Changes were made to the scope to specify that explosives, pyrotechnics, and blasting agents have uniq
6/7 下一页 上一页 首页 尾页
返回
刷新
WAP首页
网页?/a>
登录
09/09 00:12