Smoke and fire damper installed in ventilation system of building - rotates shaft between starting position and working position by simultaneous actuation of rotary motor and electromagnet against biassing force of return springThe mechanism operates a damper shaft (6) between a starting position and ...
火及防烟风门 (Fire and Smoke Damper). 洁净室 必须先进行防烟区划 , 利用现 有隔间或额外加设防烟垂壁的方式 , 划分 洁净室 区域 ...blog.china.alibaba.com|基于7个网页 2. 防火及防烟风门 ...)以承受排烟时高温的烟,若考虑防火区划的问题可改用防火及防烟风门(Fire and Smoke Damper)。洁净室中...
国际机构关于空气系统组件的指南-AMCA国际有限公司，空气流动和控制协会国际指南-Fire、Smok
The fire damper is usually installed on the ventilation pipe. The damper is normally open and it will be closed when the air temperature reaches 70 °C. Smoke exhaust fire damper is generally installed on the air duct of the smoke exhaust system. It is normally open. When a...
2.1.13 Smoke fire damper Damper installed on the ducts of the smoke extraction system, that in the case of fire, can be closed automatically when the temperature of gas in the pipes reach 280℃, and for a certain time can meet the requirement on fire proof steadiness and completeness and ...
The smoke exhaust damper is generally installed on the air duct of the smoke exhaust system. It is normally closed. When a fire occurs, the smoke detector sends a fire alarm signal. The control center sends an electric signal to the solenoid on the damper to open the...
排烟防火阀 fire damper in smoke-venting system 安装在机械排烟系统的管道上,平时呈开启状态,火灾时当排烟管道内烟气温度达到280°C时关闭,并在一定时间内能满足漏烟量和耐火完整性要求,起隔烟阻火作用的阀门。 排烟防火阀一般由阀体、叶片、执行机构和温感器等部件组成。
The smoke exhaust damper is generally installed on the air duct of the smoke exhaust system. It is normally closed. When a fire occurs, the smoke detector sends a fire alarm signal. The control center sends an electric signal to the solenoid on the damper to open the damper quickl...
排烟阀smoke damper 安装在机械排烟系统各支管端部(烟气吸入口)处,平时呈关闭状态并满足漏烟量要求,火灾或需要排烟时手动和电动打开,起排烟作用的阀门。带有装饰品或进行过装饰处理的阀门称为排烟口。 排烟防火阀一般由阀体、叶片、执行机构等部件组成。
HVAC Smoke Extraction Fireproof Damper Manual HVAC fire damper FH-70, installed in the ventilation or air-conditioning systems, usually it is open, once a fire occurs, the gas temperature of the duct arrives at 70 degrees, and then the fuse...