鑄鐵鑲銅圓閘門的(de)(de)門框(kuang)(kuang)和門板(ban)(ban)上經加工(gong)的(de)(de)凹(ao)槽(cao)在安(an)裝密(mi)封(feng)(feng)(feng)條之前(qian)涂一層防(fang)水粘接劑，以(yi)保(bao)證水密(mi)性。密(mi)封(feng)(feng)(feng)工(gong)作表(biao)面無劃(hua)痕、裂紋和氣孔等缺陷。閘(zha)門設(she)置(zhi)有可以(yi)調節的(de)(de)楔緊裝置(zhi)和強制密(mi)封(feng)(feng)(feng)裝置(zhi)，保(bao)證閘(zha)門關閉(bi)時，閘(zha)板(ban)(ban)與閘(zha)框(kuang)(kuang)的(de)(de)密(mi)封(feng)(feng)(feng)面緊密(mi)接觸(chu)，閘(zha)框(kuang)(kuang)密(mi)封(feng)(feng)(feng)座與閘(zha)板(ban)(ban)密(mi)封(feng)(feng)(feng)座間小(xiao)于0.1mm，閘(zha)板(ban)(ban)與閘(zha)框(kuang)(kuang)導向(xiang)槽(cao)間隙小(xiao)于1.6mm。

　　對(dui)公(gong)稱(cheng)壓力為0.1Mpa以下的(de)(de)用(yong)(yong)(yong)在(zai)管道口和交匯窖(jiao)井(jing)、泥沙地(di)(di)、污水(shui)(shui)渠(qu)道、原站井(jing)水(shui)(shui)口、清水(shui)(shui)池等，用(yong)(yong)(yong)以截止、疏通水(shui)(shui)流或調節(jie)水(shui)(shui)位。并可與手(shou)動(dong)(dong)、電(dian)動(dong)(dong)、液動(dong)(dong)啟閉(bi)機組(zu)合配(pei)套使用(yong)(yong)(yong)，實現現場操(cao)作或遠距離集中控(kong)制，還可與微機聯動(dong)(dong)控(kong)制。每個(ge)閘門(men)應(ying)成套地(di)(di)配(pei)備啟閉(bi)機。手(shou)電(dian)兩用(yong)(yong)(yong)啟閉(bi)機本體應(ying)配(pei)有電(dian)控(kong)設備及起動(dong)(dong)停機按鈕，并可將(jiang)閘門(men)的(de)(de)開/關(guan)狀(zhuang)態信號(hao)送至(zhi)PLC。