1.其最小值不应低于500mm,最大值不应大于企业挡烟度 : 500mm。
2.挡烟垂壁的单节宽度不应大于2000mm ; 采用金属板材单节宽度 : 1000mm ; 无机纤维组织等制作柔性挡烟垂壁的单节宽度不应大于4000mm。
3.挡烟垂壁挡烟高度的极限偏差不应大于正负5mm。
4.挡烟垂壁单节宽度的极限偏差不应大于正负10mm。
5.要求它的高温性能保持在(620正负20)度的高温作用下,保持完整性的时间不应小于30min。
1. The minimum shall not be less than 500mm, the maximum shall not be greater than the enterprise smoke: 500mm.
2. The width of the single section of the flanged wall should not be larger than 2000mm, the width of the single section of the flanged wall made of metal plate should not be larger than 4000mm, and the width of the single section of the flanged wall made of inorganic fiber should not be larger than 4000mm.
3. The limit deviation of the height of the Vertical Wall shall not be greater than plus or minus 5mm.
4. The limit deviation of the width of the single section of the Vertical Wall should not be greater than plus or minus 10mm.
5. It is required to maintain its high temperature performance at 620 plus or minus 20 degrees, and the time of keeping its integrity should not be less than 30 minutes.