排烟防火阀

产品描述：

排烟防火阀安装在排烟系统的管道上或排烟风机的吸入口处。常开，自动或手动启动，280℃自动关闭，手动复位。在吊顶内安装时，应在阀门两侧下面设检查孔。

Product description:

It is installed on the pipe of the exhaust system or at the suction port of the exhaust fan. Normally closed, automatic or manual start, 280 ℃ automatic shutdown, manual reset. When installing in a suspended ceiling, inspection holes should be provided under both sides of the valve.

产品特点：

a.可根据火灾信号或手动拉索阀门关闭；

b.微动开关输出阀门关闭信号及联动控制线。由控制中心控制排烟风机启动，并开启通风，空调系统；

c.烟气温度280℃时，温度熔断器动作，阀门关闭，排烟机停止。

Product features:

a. It can be opened according to the fire signal or manually pulling the valve.

b.Sensitive switch output valve opening signal and fire linkage control cable. The control center controls the smoke exhaust fan to start, and closes the ventilation and air conditioning systems.

c. When the flue gas temperature is 280°C, the temperature fuse will control the valve to be closed, and the exhaust machine to be stop.

产品认证：

本公司所生产的防火阀产品均已通过消防产品认证证书，质量保证。