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法蘭種類、類型代號或結構型式

管法(fa)(fa)蘭(lan)(lan)(lan)通常(chang)按材質(zhi)可(ke)分(fen)為四大類(lei)：鋼制管法(fa)(fa)蘭(lan)(lan)(lan)、鑄鐵管法(fa)(fa)蘭(lan)(lan)(lan)、銅合金(jin)及復合法(fa)(fa)蘭(lan)(lan)(lan)及鋁和鋁合金(jin)管法(fa)(fa)蘭(lan)(lan)(lan)等。前三類(lei)法(fa)(fa)蘭(lan)(lan)(lan)目前在(zai)國內已形(xing)成標準。在(zai)各類(lei)法(fa)(fa)蘭(lan)(lan)(lan)中，又(you)可(ke)根據法(fa)(fa)蘭(lan)(lan)(lan)的結構(gou)型式與其(qi)密封面(mian)型式再具體細分(fen)。法(fa)(fa)蘭(lan)(lan)(lan)類(lei)型或結構(gou)型式主要是按法(fa)(fa)蘭(lan)(lan)(lan)與管子連(lian)接的方(fang)式進行劃分(fen)的，可(ke)分(fen)為：...

閥門的種類有哪些

閥(fa)門在(zai)工農業(ye)生產中有(you)(you)著非常廣泛(fan)的(de)(de)(de)應(ying)用(yong)，在(zai)各(ge)種場合中的(de)(de)(de)使用(yong)有(you)(you)不(bu)同的(de)(de)(de)要(yao)求。據統計，一個中等的(de)(de)(de)現代化(hua)(hua)石油化(hua)(hua)工企業(ye)，使用(yong)的(de)(de)(de)閥(fa)門種類(lei)(lei)繁多(duo)，同時隨著科技的(de)(de)(de)發展(zhan)與進步，性能各(ge)異的(de)(de)(de)新品(pin)種閥(fa)門不(bu)斷出(chu)現。所以，盡管閥(fa)門有(you)(you)多(duo)種分(fen)(fen)類(lei)(lei)方(fang)法(fa)，也(ye)很難把(ba)它們嚴格劃(hua)分(fen)(fen)清楚，下面(mian)介紹幾種常見的(de)(de)(de)分(fen)(fen)類(lei)(lei)方(fang)法(fa)。...

管法蘭及墊片公稱壓力

管(guan)法蘭(lan)(lan)及(ji)墊(dian)(dian)片公(gong)稱(cheng)(cheng)壓(ya)力(li)的(de)定(ding)義、標記及(ji)數值應遵循(xun)GB/T1048-2005《管(guan)道元件PN（公(gong)稱(cheng)(cheng)壓(ya)力(li)）的(de)定(ding)義和選用》的(de)規(gui)定(ding)。管(guan)法蘭(lan)(lan)（含鋼制管(guan)法蘭(lan)(lan)、鑄鐵法蘭(lan)(lan)及(ji)銅合金法蘭(lan)(lan)）及(ji)相應墊(dian)(dian)片的(de)公(gong)稱(cheng)(cheng)壓(ya)力(li)采用PN標記及(ji)Class標記兩個系列。公(gong)稱(cheng)(cheng)壓(ya)力(li)用PN標記的(de)法...

常用閥門種類名稱術語

閥(fa)門(men)種類煩多，至(zhi)德鋼業來為(wei)大家介(jie)紹一下，常用的(de)(de)閥(fa)門(men)有(you)哪些及其功(gong)能作用與特點。1.閥(fa)門(men) 用以(yi)控制管(guan)道內介(jie)質流動(dong)(dong)(dong)的(de)(de)、具(ju)有(you)可動(dong)(dong)(dong)機(ji)構的(de)(de)機(ji)械(xie)產品(pin)的(de)(de)總稱。2.閘閥(fa) 啟(qi)閉件為(wei)閘板，由閥(fa)桿(gan)帶動(dong)(dong)(dong)，沿閥(fa)座密封面(mian)作升(sheng)降運動(dong)(dong)(dong)的(de)(de)閥(fa)門(men)。3.截止閥(fa) 啟(qi)閉件為(wei)閥(fa)瓣(ban)，由閥(fa)...

法蘭、墊片、密封件標準術語

不(bu)銹鋼(gang)壓(ya)力管(guan)道用(yong)法蘭(lan)密(mi)封接(jie)頭是(shi)由不(bu)銹鋼(gang)法蘭(lan)、密(mi)封墊片及緊固螺栓三(san)個元件(jian)(jian)組(zu)成的(de)(de)一個密(mi)封組(zu)件(jian)(jian)，起著連接(jie)管(guan)子、泵、閥門(men)(men)、壓(ya)力容器及各種(zhong)承壓(ya)設備的(de)(de)重(zhong)要作用(yong)，它是(shi)機械、石(shi)(shi)油、化(hua)工(gong)(gong)、石(shi)(shi)化(hua)、水利、電力、輕工(gong)(gong)、紡織(zhi)、船舶、制藥及核(he)工(gong)(gong)業等部門(men)(men)管(guan)道系統和裝置中(zhong)應(ying)用(yong)最廣泛的(de)(de)一種(zhong)管(guan)道連接(jie)件(jian)(jian)...

常用管件標準術語

1.管(guan)(guan)(guan)件(jian)(jian) 管(guan)(guan)(guan)道系統中用于直接(jie)連(lian)接(jie)、轉彎、分(fen)支、變徑(jing)以及(ji)用作(zuo)端部等的零部件(jian)(jian)。包(bao)括彎頭(tou)、彎管(guan)(guan)(guan)、三通、四通、異徑(jing)管(guan)(guan)(guan)、管(guan)(guan)(guan)箍(gu)、內外螺紋接(jie)頭(tou)、活接(jie)頭(tou)、快速軟管(guan)(guan)(guan)接(jie)頭(tou)、螺紋短節、支管(guan)(guan)(guan)座（臺）、絲堵（管(guan)(guan)(guan)堵）、管(guan)(guan)(guan)帽、盲板等，不包(bao)括閥門、法蘭(lan)、緊固(gu)件(jian)(jian)、墊片。 2....

管法蘭及墊片公稱通徑與鋼管外徑

在管道(dao)系統中，管道(dao)元件（含(han)法蘭及(ji)(ji)(ji)墊(dian)片(pian)）公(gong)稱(cheng)(cheng)通徑(jing)或(huo)公(gong)稱(cheng)(cheng)尺寸是管路(lu)的(de)一(yi)個重要參(can)數。管法蘭及(ji)(ji)(ji)墊(dian)片(pian)公(gong)稱(cheng)(cheng)通徑(jing)的(de)定(ding)義、標(biao)記及(ji)(ji)(ji)數值應遵(zun)循GB/T1047-2005《管道(dao)元件DN（公(gong)稱(cheng)(cheng)尺寸）的(de)定(ding)義及(ji)(ji)(ji)選用(yong)(yong)》的(de)規定(ding)。法蘭及(ji)(ji)(ji)墊(dian)片(pian)公(gong)稱(cheng)(cheng)通徑(jing)或(huo)公(gong)稱(cheng)(cheng)尺寸的(de)標(biao)記用(yong)(yong)DN及(ji)(ji)(ji)NPS兩個系列的(de)標(biao)記表示(shi)：公(gong)...

不銹鋼法蘭密封面種類型式代號及加工要求

不銹鋼(gang)法(fa)蘭密(mi)封(feng)面(mian)(mian)(mian)主要有(you)平面(mian)(mian)(mian)、凸(tu)面(mian)(mian)(mian)、凹凸(tu)面(mian)(mian)(mian)、榫槽面(mian)(mian)(mian)、O形(xing)圈面(mian)(mian)(mian)及(ji)環連接面(mian)(mian)(mian)六種型式，見表(biao)3-5中(zhong)的簡(jian)圖。平面(mian)(mian)(mian)密(mi)封(feng)面(mian)(mian)(mian)主要用(yong)于寬面(mian)(mian)(mian)法(fa)蘭及(ji)低壓管道系(xi)統中(zhong)，與(yu)相配密(mi)封(feng)墊片接觸(chu)面(mian)(mian)(mian)分布(bu)于法(fa)蘭螺栓中(zhong)心圓(yuan)的內(nei)、外兩側(ce)，對(dui)應的墊片材質多為石棉(mian)橡膠(jiao)等非(fei)金屬軟質材料，墊片預緊比壓較低。凸(tu)面(mian)(mian)(mian)密(mi)封(feng)面(mian)(mian)(mian)主要用(yong)于窄面(mian)(mian)(mian)...

管件的種類有哪些

管(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)主要分為(wei)：鑄(zhu)鐵管(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)、鋼(gang)制管(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)、有色金屬(shu)管(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)、塑料(liao)管(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)一、鑄(zhu)鐵管(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian) 鑄(zhu)鐵管(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)有：柔性接(jie)口鑄(zhu)鐵管(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)、球墨(mo)鑄(zhu)鐵管(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)、灰鑄(zhu)鐵管(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)、可鍛鑄(zhu)鐵管(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)、梯唇型橡膠圈接(jie)口鑄(zhu)鐵管(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)。二、鋼(gang)制管(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian) 鋼(gang)制管(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)有：食品工業用不銹鋼(gang)螺(luo)紋接(jie)頭、船(chuan)用鋼(gang)管(guan)(guan)(guan)(guan)對(dui)焊接(jie)頭...

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