圓(yuan)(yuan)風(feng)門(men)(men)(men)(men)又稱(cheng)圓(yuan)(yuan)形(xing)擋板門(men)(men)(men)(men)、圓(yuan)(yuan)形(xing)關斷門(men)(men)(men)(men)、圓(yuan)(yuan)形(xing)調(diao)節(jie)門(men)(men)(men)(men)。圓(yuan)(yuan)風(feng)門(men)(men)(men)(men)主要(yao)應(ying)(ying)用(yong)(yong)于發電(dian)廠風(feng)道、煙道中(zhong)做截流(liu)(liu)(liu)或調(diao)節(jie)介(jie)質(zhi)流(liu)(liu)(liu)量用(yong)(yong)，也可(ke)用(yong)(yong)于其它行(xing)業中(zhong)的(de)(de)風(feng)道、煙道。圓(yuan)(yuan)風(feng)門(men)(men)(men)(men)可(ke)使(shi)系(xi)統某(mou)一(yi)管路(lu)介(jie)質(zhi)全(quan)部流(liu)(liu)(liu)通/截斷或介(jie)質(zhi)流(liu)(liu)(liu)量隨控制而變化。對(dui)于直徑較小的(de)(de)圓(yuan)(yuan)風(feng)門(men)(men)(men)(men)，它具有截流(liu)(liu)(liu)及調(diao)節(jie)介(jie)質(zhi)流(liu)(liu)(liu)量兩個功(gong)(gong)能(neng)(neng)，對(dui)于直徑很大的(de)(de)圓(yuan)(yuan)風(feng)門(men)(men)(men)(men)，其調(diao)節(jie)功(gong)(gong)能(neng)(neng)不太明(ming)顯，主要(yao)應(ying)(ying)用(yong)(yong)它的(de)(de)截流(liu)(liu)(liu)功(gong)(gong)能(neng)(neng)。

二、分類

     根(gen)據(ju)(ju)性能可(ke)(ke)分(fen)為圓(yuan)(yuan)(yuan)(yuan)形關斷門(men)和(he)(he)圓(yuan)(yuan)(yuan)(yuan)形調(diao)節門(men)；根(gen)據(ju)(ju)驅動(dong)方式(shi)(shi)可(ke)(ke)分(fen)為手動(dong)圓(yuan)(yuan)(yuan)(yuan)風(feng)(feng)門(men)、電(dian)動(dong)圓(yuan)(yuan)(yuan)(yuan)風(feng)(feng)門(men)和(he)(he)氣動(dong)圓(yuan)(yuan)(yuan)(yuan)風(feng)(feng)門(men)；根(gen)據(ju)(ju)制造工藝可(ke)(ke)分(fen)為鑄造式(shi)(shi)圓(yuan)(yuan)(yuan)(yuan)風(feng)(feng)門(men)和(he)(he)焊接式(shi)(shi)圓(yuan)(yuan)(yuan)(yuan)風(feng)(feng)門(men)；根(gen)據(ju)(ju)材質可(ke)(ke)分(fen)為鑄鐵圓(yuan)(yuan)(yuan)(yuan)風(feng)(feng)門(men)、碳鋼圓(yuan)(yuan)(yuan)(yuan)風(feng)(feng)門(men)和(he)(he)不(bu)銹鋼圓(yuan)(yuan)(yuan)(yuan)風(feng)(feng)門(men)。另外，我公司(si)還開發了多(duo)葉片式(shi)(shi)單擋(dang)(dang)板(ban)圓(yuan)(yuan)(yuan)(yuan)風(feng)(feng)門(men)、多(duo)葉片式(shi)(shi)雙擋(dang)(dang)板(ban)圓(yuan)(yuan)(yuan)(yuan)風(feng)(feng)門(men)，還有專(zhuan)用于煙氣脫硫系(xi)統入口(kou)(kou)、出(chu)口(kou)(kou)和(he)(he)旁(pang)路的圓(yuan)(yuan)(yuan)(yuan)形煙氣擋(dang)(dang)板(ban)門(men)（煙道(dao)擋(dang)(dang)板(ban)門(men)）。