消防信号蝶阀（沟槽式）

消防信号蝶阀是组成自动喷水灭火系统的基本部件，安装在各种自动喷水灭火系统报警阀的进水端和出水端，关闭信号蝶阀可以对自动喷水灭火系统的报警阀或系统侧的其他部位进行检查维修，为保证蝶阀在自动喷水灭火系统伺应状态时必须处于全开位置，本公司生产的蝶阀安装了信号控制装置，当蝶阀蝶板离开全开位置时，可以发出报警信号至消防控制中心。

Fire signal butterfly valve is the basic component of an automatic sprinkler system, it is installed in the inlet and outlet end of all kinds of automatic sprinkler system alarm valve. The automatic sprinkler system alarm valve or other parts can be checked or maintained after closing signal butterfly valve. In order to ensure the butterfly valve in the fully open position of coupler while the automatic sprinkler system is ready, the butterfly valve produced by our company is installed with signal control device. if the butterfly valve leave the fully open position, it can send out alarm signal to the fire control center.