排烟防火阀II

产品描述：

排烟防火阀安装在有防火要求的通风、空调系统的风管上，常开，自动或手动关闭，手动复位开启。

Product description:

Smoke fire exhaust motorized value is installed in the duct of ventilation or air-conditioning systems which have requirements for fire fighting,and opened as usual. The regulating valve can be closed automatically or manually and can be reset to turn on by hand.

产品特点：

1.烟感信号或手动拉绳使阀门关闭。

2.70℃或280℃易熔片动作使阀门自动关闭。

3.微动开关输出阀门关闭信号及联动线由控制中心联动控制通风、空调机停止。

Product features:

1.Pull the rope by hand to close the valve on smoke sesing signal.

2.At 70℃ or 280℃，the strip fuse operates to close the valve automatically.

3.The microswitch outputs the valve closure signal and the linked line, and the control center controls the ventilation and air-conditioner.

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。