CAN/ULC-S112-M90:消防阻尼配件的防火测试方法
日期:2010-06-25 00:00
CAN/ULC-S112-M90:消防阻尼配件的防火测试方法
CAN/ULC-S112-M90:Standard Method of Fire Test of Fire-Damper Assemblies
Abstract 摘要
These requirements and methods of test apply to fire damper assemblies rated h, 1 h, 1 h, 2 h, or 3 h for use in air-conditioning and ventilating system ducts or openings (without ducts) piercing horizontally or vertically oriented fire separations where the fire separations are required to have a fire resistance rating of not more than 4 h.
It is the intent that t
1/2 下一页 上一页 首页 尾页
返回
刷新
WAP首页
网页?/a>
登录
09/08 05:38