2.法(fa)蘭(lan)密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)原理(li)(li)法(fa)蘭(lan)密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)面泄(xie)漏的原因: ●密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)墊(dian)(dian)表面與法(fa)蘭(lan)密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)面之間(jian)有空(kong)(kong)隙，或(huo)截面內有毛(mao)細管—泄(xie)漏通(tong)道(dao)。 ●密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)面兩(liang)側介質有壓(ya)(ya)差一推動力(li)(li)。 從法(fa)蘭(lan)密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)連接過(guo)程(cheng)看其密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)原理(li)(li): (1)安裝(zhuang)過(guo)程(cheng)一擰緊螺栓，墊(dian)(dian)片被壓(ya)(ya)緊(墊(dian)(dian)內毛(mao)細管被切斷(duan):消除了與法(fa)蘭(lan)密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)面之間(jian)的空(kong)(kong)隙)。墊(dian)(dian)片單位(wei)面積上所(suo)受(shou)的壓(ya)(ya)緊力(li)(li)，稱(cheng)為(wei)墊(dian)(dian)片密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)比(bi)壓(ya)(ya)。當墊(dian)(dian)片密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)比(bi)壓(ya)(ya)達到某一值(zhi)時(shi)，廚房(fang)螺旋(xuan)風管定做，便具備了初始密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)條件，此時(shi)的比(bi)壓(ya)(ya)稱(cheng)為(wei)預緊密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)比(bi)壓(ya)(ya)。

316不(bu)銹鋼法(fa)(fa)蘭嫁接三(san)通(tong)、平整(zheng)地貼(tie)(tie)合(he)在密封圈上、如用(yong)于大口(kou)(kou)徑(jing)塑(su)膠管(guan)(guan)(guan)施工(gong)、適用(yong)于多種管(guan)(guan)(guan)道外徑(jing)、 PE化學中文名為、定(ding)做法(fa)(fa)蘭開(kai)口(kou)(kou)三(san)通(tong)、 施用(yong)管(guan)(guan)(guan)線(xian)(xian)：管(guan)(guan)(guan)線(xian)(xian)、煤(mei)氣(qi)管(guan)(guan)(guan)線(xian)(xian)、管(guan)(guan)(guan)線(xian)(xian)、給(gei)/排水管(guan)(guan)(guan)線(xian)(xian)、燃(ran)油(you)管(guan)(guan)(guan)線(xian)(xian)、航(hang)空(kong)/汽車管(guan)(guan)(guan)線(xian)(xian)、潤滑油(you)管(guan)(guan)(guan)線(xian)(xian)、泥渣管(guan)(guan)(guan)線(xian)(xian)、抽吸管(guan)(guan)(guan)線(xian)(xian)、沖水發(fa)電管(guan)(guan)(guan)線(xian)(xian)、電纜(lan)保護管(guan)(guan)(guan)線(xian)(xian)、海(hai)水/淡水管(guan)(guan)(guan)線(xian)(xian)、透平機管(guan)(guan)(guan)線(xian)(xian)、空(kong)調管(guan)(guan)(guan)線(xian)(xian)、消防管(guan)(guan)(guan)線(xian)(xian)、通(tong)風管(guan)(guan)(guan)線(xian)(xian)、壓縮空(kong)氣(qi)管(guan)(guan)(guan)線(xian)(xian)等、能夠貼(tie)(tie)合(he)不(bu)規則管(guan)(guan)(guan)道表面(mian)、 技術特點(dian): 不(bu)需(xu)用(yong)電源，廚房螺旋風管(guan)(guan)(guan)批發(fa)，不(bu)受(shou)遠距閥門限制，在帶壓的情(qing)況下(xia)工(gong)作，特別適用(yong)煤(mei)礦井下(xia)作業。

法(fa)(fa)(fa)(fa)蘭(lan)(lan)又叫法(fa)(fa)(fa)(fa)蘭(lan)(lan)盤或凸(tu)緣(yuan)盤。 法(fa)(fa)(fa)(fa)蘭(lan)(lan)是使(shi)管子(zi)(zi)與管子(zi)(zi)相(xiang)互連(lian)(lian)(lian)(lian)接(jie)(jie)(jie)的(de)零件(jian)，連(lian)(lian)(lian)(lian)接(jie)(jie)(jie)于管端:也有(you)用在設備(bei)(bei)進出(chu)口(kou)(kou)上(shang)(shang)的(de)法(fa)(fa)(fa)(fa)蘭(lan)(lan)，用于兩個設備(bei)(bei)之前的(de)連(lian)(lian)(lian)(lian)接(jie)(jie)(jie)。 法(fa)(fa)(fa)(fa)蘭(lan)(lan)連(lian)(lian)(lian)(lian)接(jie)(jie)(jie)或法(fa)(fa)(fa)(fa)蘭(lan)(lan)接(jie)(jie)(jie)頭，廚房螺(luo)旋風管，是指由法(fa)(fa)(fa)(fa)蘭(lan)(lan)、墊片及螺(luo)栓(shuan)三者相(xiang)互連(lian)(lian)(lian)(lian)接(jie)(jie)(jie)作為一組組合密封結(jie)構(gou)的(de)可(ke)拆連(lian)(lian)(lian)(lian)接(jie)(jie)(jie)，管道法(fa)(fa)(fa)(fa)蘭(lan)(lan)系(xi)(xi)指管道裝置(zhi)中配管用的(de)法(fa)(fa)(fa)(fa)蘭(lan)(lan)，用在設備(bei)(bei)上(shang)(shang)系(xi)(xi)指設備(bei)(bei)的(de)進出(chu)口(kou)(kou)法(fa)(fa)(fa)(fa)蘭(lan)(lan)。 法(fa)(fa)(fa)(fa)蘭(lan)(lan)上(shang)(shang)有(you)孔(kong)眼，螺(luo)栓(shuan)使(shi)兩法(fa)(fa)(fa)(fa)蘭(lan)(lan)緊連(lian)(lian)(lian)(lian)。法(fa)(fa)(fa)(fa)蘭(lan)(lan)間用襯墊密封。法(fa)(fa)(fa)(fa)蘭(lan)(lan)按連(lian)(lian)(lian)(lian)接(jie)(jie)(jie)方式可(ke)分為螺(luo)紋連(lian)(lian)(lian)(lian)接(jie)(jie)(jie)(絲扣連(lian)(lian)(lian)(lian)接(jie)(jie)(jie))法(fa)(fa)(fa)(fa)蘭(lan)(lan)和(he)焊接(jie)(jie)(jie)法(fa)(fa)(fa)(fa)蘭(lan)(lan)。