浙江雷森安防科技有限公司以精益求精、优良质量,以不断创新发展的精神给您提供理想的产品,力争达到新老客户理想的企业。
如果说总的建筑面积是大于20000m的地下或者是半地下商店的,那在防烟楼梯间的门应该采用***门。
木制*门作为一种新型*建筑构件,因其外形美观、安装方便、装饰性能好、*性能优越而被广泛应用于各类民用建筑和部分工业建筑。
*分区至避难走道处应设置防烟前室,前室的使用面积不应小于,开向前室的门应采用***门,前室开向避难走道的门应采用乙级*门。
门斗的作用:
有爆炸危险区域内的楼梯间、室外楼梯或有爆炸危险的区域与相邻区域连通处,应设置门斗等防护措施。门斗的隔墙应为耐火极限不应**的*隔墙,门应采用***门并应与楼梯间的门错位设置。
浙江雷森安防科技有限公司在业内有着丰富的经验,也就意味着我们能够理解您在当今和未来所面临的多种需求,我们能够提供从结构设计、材料选择、安装、服务及时到位的服务。
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.