Maxam Meta Products,Ltd.has developed a self-closing fire-rated floor door.Fusible plugs and compressed gas cylinders close the door when the ambient temperature rises above a predetermined temperature,due to a fire.
展开▼
机译:Maxam Meta Products,Ltd。已开发出一种自动关闭的防火地板门。当环境温度由于火灾而升高到预定温度以上时,易熔的塞子和压缩气瓶会关闭门。
展开▼