擋板門常用于電廠(chang)或其它行(xing)業中(zhong)的煙管、風道中(zhong)做截流介質(zhi)用,擋板(ban)門(men)(men)風門(men)(men)啟閉(bi)角(jiao)度90℃,擋板(ban)門(men)(men)具有(you)全(quan)開(kai)全(quan)關兩個功(gong)能,使(shi)系統某一管路介質(zhi)全(quan)部流通或關閉(bi),擋板(ban)門(men)(men)采用了國(guo)外先進技術并吸取了國(guo)內同類型產(chan)品的優(you)點(dian),擋板(ban)門(men)(men)結合了眾多用戶的使(shi)用經(jing)驗及反饋信息。
擋板門手動、電(dian)動或(huo)氣動執行機構可以直接與驅動主軸連(lian)接或(huo)采用曲柄連(lian)桿機構形成遠方傳動,擋(dang)板門兩(liang)安(an)裝(zhuang)法蘭面間的長度尺(chi)寸,擋(dang)板門在管路布置中,一般情況下應保持葉片主軸在水平(ping)位置,擋(dang)板門根據(ju)材質可分為鑄鐵(tie)關(guan)(guan)閉擋(dang)板門、碳鋼(gang)關(guan)(guan)閉擋(dang)板門、不(bu)銹(xiu)鋼(gang)關(guan)(guan)閉擋(dang)板門和鎳基合金關(guan)(guan)閉擋(dang)板門。
擋板(ban)(ban)門(men)(men)由框架、葉片、密封片、主軸(zhou)、軸(zhou)承、軸(zhou)封、曲(qu)柄(bing)連桿機構(gou)(gou)(gou)、執行機構(gou)(gou)(gou),擋板(ban)(ban)門(men)(men)等幾部分組成(cheng),擋板(ban)(ban)門(men)(men)軸(zhou)頸(jing)處采用(yong)(yong)專(zhuan)(zhuan)用(yong)(yong)密封結(jie)構(gou)(gou)(gou)及專(zhuan)(zhuan)用(yong)(yong)軸(zhou)承,擋板(ban)(ban)門(men)(men)專(zhuan)(zhuan)用(yong)(yong)密封結(jie)構(gou)(gou)(gou)其密封性能(neng)良好、無外泄、耐高溫,擋板(ban)(ban)門(men)(men)專(zhuan)(zhuan)用(yong)(yong)軸(zhou)承具有自動(dong)(dong)調心及自動(dong)(dong)補償功能(neng),擋板(ban)(ban)門(men)(men)可以(yi)自動(dong)(dong)補償前后(hou)軸(zhou)的同軸(zhou)度偏差(cha),確保關閉擋板(ban)(ban)風門(men)(men)阻力小(xiao)、無卡(ka)澀、轉動(dong)(dong)靈活。