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...
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...
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...
PURPOSE:To make it possible to remote-control the resetting action of a damper mechanism and open and close the damper mechanism only with the action of fuse by providing a holding tube with a cam member which changes over a lock pin into release state when the state of engagement of the ...
1) fireproofing and smoke exhaust 防火排烟 1. Individual design forfireproofing and smoke exhaustin modern large-scale and light-steel spinning mill workshop 现代大型轻钢纺织厂房防火排烟个性化设计探析 更多例句>> 2) smoke fire damper 排烟防火阀 ...
smoke fire damper排烟防火阀 1.This paper analyses the problems about the control of the mechanical smoke extraction system,and discusses the problem aboutsmoke fire dampers and smoke exhausting fans.分析了机械排烟系统的有关控制问题,对排烟风机和排烟防火阀的有关问题进行了探讨,提出了优化机械排烟系统的...
To remove as much oxygen as possible and to avoid smoke build-up in the factory (process) rooms, the exhaust hood fans shall continue to operate after the fire extinguishing system has been activated, unless fan shutdown is required by any component of the ventilation system, or by the desi...
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1.The influence of fire smoke behavior upon exhaust fan performance was theoretically studied.研究火灾烟气状态对排烟风机性能的影响,系统分析了地铁隧道火灾烟气的烟囱效应和热阻效应,将地铁隧道系统和排烟风机作为一个整体考虑,分析隧道烟气温度和密度沿程变化规律,建立隧道火灾网络模拟的数学模型,提出在隧道火灾排烟...
4) sequential damper 时序风门,时序排气器5) PFSD (Pneumatic Fire & Smoke Damper) 气动防火排(防)烟风门6) pneumatic dispensing 气动涂料补充资料:后勤指挥自动化系统(见后勤指挥自动化) 后勤指挥自动化系统(见后勤指挥自动化) automated system of logistic command houqin zhihui zidonghua xitong后勤指挥...