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产品详情 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。 |