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法蘭種類、類型代號或結構型式

管法(fa)(fa)(fa)蘭通常按材(cai)質可分(fen)為四大類(lei)：鋼制管法(fa)(fa)(fa)蘭、鑄鐵管法(fa)(fa)(fa)蘭、銅合(he)金及(ji)復合(he)法(fa)(fa)(fa)蘭及(ji)鋁和(he)鋁合(he)金管法(fa)(fa)(fa)蘭等。前(qian)三類(lei)法(fa)(fa)(fa)蘭目前(qian)在國內已形(xing)成標準。在各類(lei)法(fa)(fa)(fa)蘭中，又可根(gen)據法(fa)(fa)(fa)蘭的結(jie)構(gou)(gou)型(xing)式(shi)與其密(mi)封面型(xing)式(shi)再具(ju)體細分(fen)。法(fa)(fa)(fa)蘭類(lei)型(xing)或結(jie)構(gou)(gou)型(xing)式(shi)主要是按法(fa)(fa)(fa)蘭與管子(zi)連(lian)接的方式(shi)進行(xing)劃分(fen)的，可分(fen)為：...

閥門的種類有哪些

閥門(men)在(zai)工(gong)農業(ye)生(sheng)產中有著(zhu)非常(chang)廣泛的(de)(de)應(ying)用(yong)，在(zai)各(ge)(ge)種場合(he)中的(de)(de)使(shi)用(yong)有不(bu)同(tong)的(de)(de)要求。據統計，一個(ge)中等的(de)(de)現代化石油化工(gong)企業(ye)，使(shi)用(yong)的(de)(de)閥門(men)種類(lei)繁多(duo)，同(tong)時隨著(zhu)科技的(de)(de)發展與進步，性能各(ge)(ge)異的(de)(de)新品種閥門(men)不(bu)斷出現。所以，盡管閥門(men)有多(duo)種分(fen)(fen)類(lei)方法，也(ye)很難把(ba)它們嚴格劃分(fen)(fen)清楚(chu)，下面介紹幾(ji)種常(chang)見的(de)(de)分(fen)(fen)類(lei)方法。...

管法蘭及墊片公稱壓力

管法(fa)蘭及(ji)墊片(pian)(pian)公(gong)稱(cheng)壓力(li)的(de)定義、標記及(ji)數值(zhi)應遵循GB/T1048-2005《管道元件PN（公(gong)稱(cheng)壓力(li)）的(de)定義和選用》的(de)規定。管法(fa)蘭（含鋼制管法(fa)蘭、鑄鐵法(fa)蘭及(ji)銅合(he)金法(fa)蘭）及(ji)相應墊片(pian)(pian)的(de)公(gong)稱(cheng)壓力(li)采用PN標記及(ji)Class標記兩個系列。公(gong)稱(cheng)壓力(li)用PN標記的(de)法(fa)...

常用閥門種類名稱術語

閥(fa)門(men)種類煩(fan)多，至德鋼(gang)業來為(wei)大家介紹一下，常用(yong)的(de)(de)閥(fa)門(men)有哪些及其功能(neng)作用(yong)與特(te)點。1.閥(fa)門(men) 用(yong)以控制(zhi)管道內介質流動(dong)的(de)(de)、具有可動(dong)機構的(de)(de)機械(xie)產品的(de)(de)總稱。2.閘(zha)閥(fa) 啟閉件為(wei)閘(zha)板(ban)，由閥(fa)桿帶動(dong)，沿閥(fa)座密(mi)封面(mian)作升(sheng)降運(yun)動(dong)的(de)(de)閥(fa)門(men)。3.截止閥(fa) 啟閉件為(wei)閥(fa)瓣，由閥(fa)...

法蘭、墊片、密封件標準術語

不(bu)銹鋼壓力管道用(yong)(yong)法蘭(lan)密封接頭是(shi)由(you)不(bu)銹鋼法蘭(lan)、密封墊片及緊固(gu)螺栓(shuan)三個元件(jian)(jian)組成的一個密封組件(jian)(jian)，起著連(lian)接管子、泵、閥門(men)、壓力容器及各種承壓設(she)備的重要作(zuo)用(yong)(yong)，它是(shi)機械、石(shi)油、化(hua)工(gong)(gong)、石(shi)化(hua)、水利(li)、電力、輕工(gong)(gong)、紡織、船舶、制藥及核工(gong)(gong)業等部門(men)管道系統(tong)和裝置中應(ying)用(yong)(yong)最廣泛的一種管道連(lian)接件(jian)(jian)...

常用管件標準術語

1.管(guan)(guan)(guan)件(jian)(jian) 管(guan)(guan)(guan)道(dao)系(xi)統中(zhong)用于直(zhi)接連接、轉彎、分支(zhi)、變徑(jing)以(yi)及用作端部(bu)等的(de)零(ling)部(bu)件(jian)(jian)。包括彎頭、彎管(guan)(guan)(guan)、三(san)通(tong)、四通(tong)、異徑(jing)管(guan)(guan)(guan)、管(guan)(guan)(guan)箍、內外螺紋(wen)(wen)接頭、活(huo)接頭、快速軟管(guan)(guan)(guan)接頭、螺紋(wen)(wen)短節、支(zhi)管(guan)(guan)(guan)座（臺）、絲堵(du)（管(guan)(guan)(guan)堵(du)）、管(guan)(guan)(guan)帽、盲板等，不包括閥(fa)門(men)、法(fa)蘭、緊固件(jian)(jian)、墊片。 2....

管法蘭及墊片公稱通徑與鋼管外徑

在(zai)管(guan)道系統中，管(guan)道元件（含(han)法蘭(lan)及墊(dian)片(pian)）公(gong)(gong)(gong)稱(cheng)(cheng)通徑或公(gong)(gong)(gong)稱(cheng)(cheng)尺寸是管(guan)路(lu)的一(yi)個重要參數(shu)。管(guan)法蘭(lan)及墊(dian)片(pian)公(gong)(gong)(gong)稱(cheng)(cheng)通徑的定(ding)義、標記(ji)及數(shu)值應遵循(xun)GB/T1047-2005《管(guan)道元件DN（公(gong)(gong)(gong)稱(cheng)(cheng)尺寸）的定(ding)義及選用》的規定(ding)。法蘭(lan)及墊(dian)片(pian)公(gong)(gong)(gong)稱(cheng)(cheng)通徑或公(gong)(gong)(gong)稱(cheng)(cheng)尺寸的標記(ji)用DN及NPS兩個系列的標記(ji)表示：公(gong)(gong)(gong)...

不銹鋼法蘭密封面種類型式代號及加工要求

不銹鋼法(fa)蘭(lan)密(mi)封(feng)(feng)(feng)面(mian)(mian)主(zhu)要(yao)(yao)有(you)平面(mian)(mian)、凸(tu)面(mian)(mian)、凹凸(tu)面(mian)(mian)、榫槽面(mian)(mian)、O形圈面(mian)(mian)及環連接面(mian)(mian)六種(zhong)型式，見表3-5中(zhong)(zhong)的簡圖。平面(mian)(mian)密(mi)封(feng)(feng)(feng)面(mian)(mian)主(zhu)要(yao)(yao)用于寬面(mian)(mian)法(fa)蘭(lan)及低(di)壓管道系統中(zhong)(zhong)，與相配密(mi)封(feng)(feng)(feng)墊(dian)片(pian)接觸(chu)面(mian)(mian)分布(bu)于法(fa)蘭(lan)螺栓中(zhong)(zhong)心圓的內、外(wai)兩側，對應的墊(dian)片(pian)材(cai)質多為石棉橡(xiang)膠等非金屬軟(ruan)質材(cai)料，墊(dian)片(pian)預緊比壓較低(di)。凸(tu)面(mian)(mian)密(mi)封(feng)(feng)(feng)面(mian)(mian)主(zhu)要(yao)(yao)用于窄面(mian)(mian)...

管件的種類有哪些

管(guan)(guan)件(jian)(jian)(jian)主要(yao)分為：鑄鐵(tie)(tie)(tie)(tie)(tie)管(guan)(guan)件(jian)(jian)(jian)、鋼(gang)(gang)制管(guan)(guan)件(jian)(jian)(jian)、有(you)(you)色金屬(shu)管(guan)(guan)件(jian)(jian)(jian)、塑料管(guan)(guan)件(jian)(jian)(jian)一(yi)、鑄鐵(tie)(tie)(tie)(tie)(tie)管(guan)(guan)件(jian)(jian)(jian) 鑄鐵(tie)(tie)(tie)(tie)(tie)管(guan)(guan)件(jian)(jian)(jian)有(you)(you)：柔性(xing)接口(kou)鑄鐵(tie)(tie)(tie)(tie)(tie)管(guan)(guan)件(jian)(jian)(jian)、球(qiu)墨鑄鐵(tie)(tie)(tie)(tie)(tie)管(guan)(guan)件(jian)(jian)(jian)、灰鑄鐵(tie)(tie)(tie)(tie)(tie)管(guan)(guan)件(jian)(jian)(jian)、可(ke)鍛鑄鐵(tie)(tie)(tie)(tie)(tie)管(guan)(guan)件(jian)(jian)(jian)、梯唇(chun)型(xing)橡膠(jiao)圈接口(kou)鑄鐵(tie)(tie)(tie)(tie)(tie)管(guan)(guan)件(jian)(jian)(jian)。二、鋼(gang)(gang)制管(guan)(guan)件(jian)(jian)(jian) 鋼(gang)(gang)制管(guan)(guan)件(jian)(jian)(jian)有(you)(you)：食品工(gong)業(ye)用(yong)不銹鋼(gang)(gang)螺紋接頭、船用(yong)鋼(gang)(gang)管(guan)(guan)對(dui)焊接頭...

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