900X緊急關閉(bi)閥是一種(zhong)用(yong)(yong)(yong)于消(xiao)(xiao)防(fang)用(yong)(yong)(yong)水(shui)(shui)與生(sheng)活(huo)用(yong)(yong)(yong)水(shui)(shui)并聯(lian)的供水(shui)(shui)系(xi)統中,用(yong)(yong)(yong)來調配(pei)供水(shui)(shui)方(fang)向(xiang)的閥門。當火災發生(sheng)時,消(xiao)(xiao)防(fang)急需大量用(yong)(yong)(yong)水(shui)(shui),立(li)即(ji)切斷生(sheng)活(huo)用(yong)(yong)(yong)水(shui)(shui),確保足夠(gou)的消(xiao)(xiao)防(fang)用(yong)(yong)(yong)水(shui)(shui);當消(xiao)(xiao)防(fang)停止用(yong)(yong)(yong)水(shui)(shui)壓力減小時,閥門自動(dong)打(da)開,呈常開狀態,恢復生(sheng)活(huo)供水(shui)(shui)。該閥使(shi)系(xi)統無(wu)須另設專門的消(xiao)(xiao)防(fang)單獨供水(shui)(shui)管網,大大地節約(yue)了建設成本和用(yong)(yong)(yong)水(shui)(shui)量。閥門控制靈(ling)敏(min)度高,安(an)全可靠,調試簡便,使(shi)用(yong)(yong)(yong)壽命長。
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