SJKW型溝槽式防(fang)污(wu)隔(ge)斷(duan)閥(fa)：該(gai)閥(fa)是根據目前(qian)供(gong)(gong)水(shui)管網(wang)，因回(hui)流造成嚴重污(wu)染情況；我公司引進國(guo)外**技術自行研制開發的(de)，安(an)(an)全(quan)可靠，防(fang)止飲用(yong)(yong)(yong)水(shui)回(hui)流污(wu)染的(de)新穎控制閥(fa)門，以(yi)**生活飲用(yong)(yong)(yong)水(shui)的(de)衛生和安(an)(an)全(quan)。一(yi)、用(yong)(yong)(yong)途及(ji)特點本(ben)產(chan)品主(zhu)要用(yong)(yong)(yong)于高層建筑的(de)飲用(yong)(yong)(yong)水(shui)供(gong)(gong)水(shui)系統，消防(fang)用(yong)(yong)(yong)水(shui)系統和空調制冷，自來水(shui)廠(chang)供(gong)(gong)水(shui)管道等到(dao)系統使用(yong)(yong)(yong)。以(yi)防(fang)支管中的(de)水(shui)回(hui)流入管道...