在安装钢质*门之**定要先检查一下门有没有坏的地方,确保安全之后才能进行安装,还要注意对门的两侧做好保护措施,免得被碰坏或者划伤,影响*门的质量。该产品外貌应平整、光洁,无明显凹痕或呆板损伤,焊接应牢固,焊点散布匀称,不应有假焊、烧穿、漏焊等征象,木质*门割角、拼缝应严实平整,胶合板不容许刨透表层单板;门框应设置*密封条,且密封条必须平直、无拱起;*门敲打起来是听不到空洞声音的;优质钢质*门焊接牢固,焊点散布匀称;外外貌喷涂平整平滑;在划定的位置应有产品标志、门扇厚度应大于等于样品形貌中的门扇厚度,门框侧壁宽度应大于等于样品形貌中的门框侧壁宽度,*外形尺寸应小于等于样品形貌中的*外形尺寸,*厚度应大于等于样品形貌中的*厚度。
总建筑面积大于20000m的地下或半地下商店,防烟楼梯间的门应采用***门。
剧场、电影院、礼堂确需设置在其他民用建筑内时应采用耐火极限不**的*隔墙和***门与其他区域分隔。
中庭:
与周围连通空间应进行*分隔:采用*隔墙时,其耐火极限不应**;采用*墙时,其耐火隔热性和耐火完整性不应**,采用耐火完整性不**的非隔热性*墙时,应设置自动喷水灭火系统进行保护;采用*卷帘时,其耐火极限不应**,并应符合本规范*条的规定;与中庭相连通的门、窗,应采用火灾时能自行关闭的***门、窗。
Zhejiang Rhesent Precision Machinery Co., Ltd, Floor Space:14000 square meters, Registered capital: RMB 12000000. We stand for the development and manufacture self-lubricating bearings, including generalization and application. As a manufacturer specialized in bronze bushings and wear plates, we offer the products which are widely used in autos, plastic machines, construction machinery, metallurgical machinery, textile machinery, hydraulic machinery, food machinery, shipbuilding, aerospace and aviation, etc. We have advanced equipments such as horizontal continuous caster and spectrum analyzer. More than 60% products are exported to overseas high end market.