擋板門常用(yong)(yong)(yong)于電廠或其它行業中(zhong)的(de)煙管(guan)(guan)、風(feng)(feng)道(dao)(dao)中(zhong)做截流介質用(yong)(yong)(yong)，風(feng)(feng)門(men)啟(qi)閉(bi)(bi)角度90℃，風(feng)(feng)道(dao)(dao)擋板門(men)或煙道(dao)(dao)擋板門(men)，擋板門(men)具(ju)有(you)全(quan)開全(quan)關兩(liang)個功(gong)能，使系(xi)統某一管(guan)(guan)路介質全(quan)部流通或關閉(bi)(bi)，擋板門(men)采用(yong)(yong)(yong)了國外先(xian)進技術并吸取了國內同類型產品的(de)優點，結(jie)合(he)了眾多用(yong)(yong)(yong)戶的(de)使用(yong)(yong)(yong)經驗及反饋信(xin)息。
擋板(ban)門葉(xie)片采(cai)用(yong)鋼板(ban)模壓成形(xing)或(huo)鑄造成形(xing)，截面(mian)流線(xian)形(xing)葉(xie)片確保介質(zhi)壓損小，框(kuang)架采(cai)用(yong)鋼板(ban)模壓成形(xing)、型鋼焊接成形(xing)或(huo)鑄造成形(xing)，葉(xie)片與主軸之間采(cai)用(yong)專用(yong)緊固(gu)件(jian)連(lian)接，關(guan)閉擋板(ban)風(feng)門安(an)裝在管道上后，葉(xie)片關(guan)閉時，其前(qian)后的密封率可達99以(yi)(yi)上，可以(yi)(yi)拆卸任何部(bu)件(jian)，并(bing)保證(zheng)在工作狀態(tai)下可以(yi)(yi)方便地檢修或(huo)更換部(bu)件(jian)。
擋(dang)(dang)(dang)板(ban)(ban)(ban)門(men)(men)(men)根(gen)據形狀可分為方(fang)形關(guan)(guan)(guan)閉(bi)(bi)擋(dang)(dang)(dang)板(ban)(ban)(ban)門(men)(men)(men)和圓形關(guan)(guan)(guan)閉(bi)(bi)擋(dang)(dang)(dang)板(ban)(ban)(ban)門(men)(men)(men)，根(gen)據制造工(gong)藝可分為鑄(zhu)造式(shi)關(guan)(guan)(guan)閉(bi)(bi)擋(dang)(dang)(dang)板(ban)(ban)(ban)門(men)(men)(men)和焊(han)接(jie)式(shi)關(guan)(guan)(guan)閉(bi)(bi)擋(dang)(dang)(dang)板(ban)(ban)(ban)門(men)(men)(men)，根(gen)據驅動方(fang)式(shi)可分為手動關(guan)(guan)(guan)閉(bi)(bi)擋(dang)(dang)(dang)板(ban)(ban)(ban)門(men)(men)(men)、電動關(guan)(guan)(guan)閉(bi)(bi)擋(dang)(dang)(dang)板(ban)(ban)(ban)門(men)(men)(men)和氣動關(guan)(guan)(guan)閉(bi)(bi)擋(dang)(dang)(dang)板(ban)(ban)(ban)門(men)(men)(men)，根(gen)據材質可分為鑄(zhu)鐵關(guan)(guan)(guan)閉(bi)(bi)擋(dang)(dang)(dang)板(ban)(ban)(ban)門(men)(men)(men)、碳鋼(gang)關(guan)(guan)(guan)閉(bi)(bi)擋(dang)(dang)(dang)板(ban)(ban)(ban)門(men)(men)(men)、不(bu)銹鋼(gang)關(guan)(guan)(guan)閉(bi)(bi)擋(dang)(dang)(dang)板(ban)(ban)(ban)門(men)(men)(men)和鎳(nie)基(ji)合(he)金關(guan)(guan)(guan)閉(bi)(bi)擋(dang)(dang)(dang)板(ban)(ban)(ban)門(men)(men)(men)。
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