空调通风系列产品

正压送风口

正压送风口，广州贵庭机电

广州市贵庭机电设备有限公司生产的正压送风口，通常安装在楼梯前室，防烟井的墙上，也有安装在防烟系统管道侧面或风道末端

当发生火灾时，系统内部电动执行器自动打开风口，塔楼定正压风机自动启动，对送风竖井进行加压送风，楼梯的前室通过正压送风口源源不断对前室进行送风，使前室保持正压，保证烟气不会再这个区域蔓延，从而给人提供逃生的空间，当温度高于280°C时，人已无逃生可能，正压送风口熔断器熔断，风口自动关闭，防止火灾蔓延

国家高层建筑防火排烟设计规范规定，下列位置应设置独立的机械防烟系统

1、封闭的避难层

2、不具备自然排烟条件的防烟楼梯、消防电梯前室或合用前室

3、采用自然排烟的方友楼梯，当不具备自然排烟的前室

广州市贵庭机电设备有限公司专业生产消防风机，风阀，风口和消防静压箱等防排烟系列产品

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玻璃钢离心式屋顶风机

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