900X緊急(ji)關閉閥是(shi)一種(zhong)用(yong)(yong)(yong)于消防(fang)(fang)用(yong)(yong)(yong)水(shui)與生(sheng)(sheng)活用(yong)(yong)(yong)水(shui)并聯的(de)供(gong)水(shui)系統(tong)中,用(yong)(yong)(yong)來調配供(gong)水(shui)方向的(de)閥門(men)。當火(huo)災發生(sheng)(sheng)時,消防(fang)(fang)急(ji)需大量用(yong)(yong)(yong)水(shui),立(li)即切(qie)斷(duan)生(sheng)(sheng)活用(yong)(yong)(yong)水(shui),確保足夠的(de)消防(fang)(fang)用(yong)(yong)(yong)水(shui);當消防(fang)(fang)停止(zhi)用(yong)(yong)(yong)水(shui)壓力(li)減小(xiao)時,閥門(men)自(zi)動打開,呈常(chang)開狀(zhuang)態,恢復(fu)生(sheng)(sheng)活供(gong)水(shui)。該閥使(shi)系統(tong)無須(xu)另設專(zhuan)門(men)的(de)消防(fang)(fang)單獨供(gong)水(shui)管網,大大地節約(yue)了建設成(cheng)本和用(yong)(yong)(yong)水(shui)量。閥門(men)控制靈敏度高,安全可靠,調試簡便,使(shi)用(yong)(yong)(yong)壽命(ming)長。
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