论文部分内容阅读
2月27日,公安部技术监督委员会批准发布GA211-2009《消防排烟风机耐高温试验方法》公共安全行业标准。该标准为强制性标准,替代GA211-1999,于2009年3月1日起实施。机械排烟系统中的消防排烟风机是火灾时排除烟气和热气的关键消防设备,自上世纪以来,这种消防产品在我国的建筑设
February 27, the Ministry of Public Security Technical Supervision Commission approved the release of GA211-2009 “fire exhaust fan high temperature test method” public safety industry standards. The standard is a mandatory standard, instead of GA211-1999, March 1, 2009 come into operation. Fire Exhaust Fan in Mechanical Exhaust System is the key fire-fighting equipment to eliminate flue gas and heat when it is fire. Since the last century, this kind of fire-fighting product has been built in our country