信号弹性座封闸阀应用于自动喷水消防管路系统,来监控供水管路,可以远地指示阀门开度。
Block closed vaIve signal flexibility automatic sp rinkler piping system used to control water pipe,valve opening inst ructions can be distant
附开度指示弹性座封闸阀应用于消防系统,如果闸阀安装位置离地面较高时,一般使用明杆闸阀,可以明显指示阀门开度,若安装位置较低,则需用附开度指示闸阀。
Block elastic closu re valve attached instructions for opening fi re systems,and if the valve located high off the g round normally use that rod valve,the valve opening inst ructions clea rly,if low instalIation Position requi red with instructions a~ached valve opening.