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法蘭種類、類型代號或結構型式

管(guan)法(fa)(fa)蘭通常(chang)按(an)材質可分(fen)(fen)為四大類(lei)：鋼制管(guan)法(fa)(fa)蘭、鑄(zhu)鐵管(guan)法(fa)(fa)蘭、銅合金(jin)及(ji)(ji)復(fu)合法(fa)(fa)蘭及(ji)(ji)鋁(lv)和(he)鋁(lv)合金(jin)管(guan)法(fa)(fa)蘭等。前三類(lei)法(fa)(fa)蘭目前在(zai)國內已(yi)形成標準。在(zai)各類(lei)法(fa)(fa)蘭中，又可根據法(fa)(fa)蘭的結(jie)構型(xing)式與(yu)其密封(feng)面型(xing)式再具體(ti)細分(fen)(fen)。法(fa)(fa)蘭類(lei)型(xing)或結(jie)構型(xing)式主要是按(an)法(fa)(fa)蘭與(yu)管(guan)子連接的方式進行(xing)劃分(fen)(fen)的，可分(fen)(fen)為：...

閥門的種類有哪些

閥門(men)(men)(men)在工農業(ye)生產中有(you)著非常(chang)廣泛的應用(yong)(yong)，在各(ge)種場合中的使(shi)用(yong)(yong)有(you)不(bu)同的要求(qiu)。據統計，一個中等的現代(dai)化(hua)石油化(hua)工企業(ye)，使(shi)用(yong)(yong)的閥門(men)(men)(men)種類繁多，同時隨著科技的發展與進步，性能各(ge)異的新品種閥門(men)(men)(men)不(bu)斷出現。所以，盡管閥門(men)(men)(men)有(you)多種分類方法(fa)，也(ye)很難把它們(men)嚴格劃分清楚，下面介紹幾種常(chang)見(jian)的分類方法(fa)。...

管法蘭及墊片公稱壓力

管(guan)法蘭(lan)及(ji)墊片公(gong)(gong)稱(cheng)壓(ya)力(li)的(de)(de)定義、標(biao)記及(ji)數值應遵循(xun)GB/T1048-2005《管(guan)道元件PN（公(gong)(gong)稱(cheng)壓(ya)力(li)）的(de)(de)定義和選用》的(de)(de)規(gui)定。管(guan)法蘭(lan)（含鋼制管(guan)法蘭(lan)、鑄(zhu)鐵法蘭(lan)及(ji)銅合金法蘭(lan)）及(ji)相(xiang)應墊片的(de)(de)公(gong)(gong)稱(cheng)壓(ya)力(li)采用PN標(biao)記及(ji)Class標(biao)記兩個系(xi)列。公(gong)(gong)稱(cheng)壓(ya)力(li)用PN標(biao)記的(de)(de)法...

常用閥門種類名稱術語

閥(fa)(fa)(fa)(fa)門(men)(men)種類煩多(duo)，至德(de)鋼(gang)業來為大家介紹一下，常用的閥(fa)(fa)(fa)(fa)門(men)(men)有哪些及其(qi)功(gong)能作用與特點(dian)。1.閥(fa)(fa)(fa)(fa)門(men)(men) 用以控制管道內介質流(liu)動的、具有可動機構的機械產品的總稱。2.閘閥(fa)(fa)(fa)(fa) 啟(qi)閉件為閘板，由閥(fa)(fa)(fa)(fa)桿帶動，沿閥(fa)(fa)(fa)(fa)座密封面作升降運動的閥(fa)(fa)(fa)(fa)門(men)(men)。3.截(jie)止閥(fa)(fa)(fa)(fa) 啟(qi)閉件為閥(fa)(fa)(fa)(fa)瓣，由閥(fa)(fa)(fa)(fa)...

法蘭、墊片、密封件標準術語

不(bu)銹鋼壓(ya)(ya)力(li)管(guan)道(dao)用(yong)(yong)法(fa)蘭密封(feng)接頭是(shi)由不(bu)銹鋼法(fa)蘭、密封(feng)墊(dian)片及緊固螺栓(shuan)三個元件(jian)組(zu)成的(de)一個密封(feng)組(zu)件(jian)，起著連接管(guan)子、泵、閥(fa)門(men)(men)、壓(ya)(ya)力(li)容(rong)器(qi)及各種承壓(ya)(ya)設備的(de)重要作用(yong)(yong)，它是(shi)機(ji)械、石(shi)油、化工(gong)、石(shi)化、水利、電力(li)、輕工(gong)、紡織(zhi)、船舶、制藥及核(he)工(gong)業等部門(men)(men)管(guan)道(dao)系統和(he)裝置中應用(yong)(yong)最廣泛(fan)的(de)一種管(guan)道(dao)連接件(jian)...

常用管件標準術語

1.管(guan)(guan)件(jian)(jian) 管(guan)(guan)道系統中用(yong)于直接(jie)(jie)連接(jie)(jie)、轉彎、分(fen)支、變徑以及(ji)用(yong)作(zuo)端(duan)部(bu)等的零部(bu)件(jian)(jian)。包(bao)括(kuo)彎頭(tou)(tou)、彎管(guan)(guan)、三通(tong)、四通(tong)、異(yi)徑管(guan)(guan)、管(guan)(guan)箍、內(nei)外(wai)螺(luo)(luo)紋(wen)接(jie)(jie)頭(tou)(tou)、活接(jie)(jie)頭(tou)(tou)、快(kuai)速軟(ruan)管(guan)(guan)接(jie)(jie)頭(tou)(tou)、螺(luo)(luo)紋(wen)短節、支管(guan)(guan)座(zuo)（臺(tai)）、絲堵(du)（管(guan)(guan)堵(du)）、管(guan)(guan)帽、盲板等，不包(bao)括(kuo)閥門(men)、法(fa)蘭、緊(jin)固件(jian)(jian)、墊片。 2....

管法蘭及墊片公稱通徑與鋼管外徑

在管(guan)(guan)道系(xi)統中，管(guan)(guan)道元件（含法(fa)蘭(lan)及墊(dian)片）公(gong)(gong)(gong)稱(cheng)通(tong)(tong)徑(jing)或公(gong)(gong)(gong)稱(cheng)尺(chi)(chi)寸是管(guan)(guan)路(lu)的一個重要參(can)數。管(guan)(guan)法(fa)蘭(lan)及墊(dian)片公(gong)(gong)(gong)稱(cheng)通(tong)(tong)徑(jing)的定(ding)義(yi)、標(biao)(biao)記(ji)及數值應遵循GB/T1047-2005《管(guan)(guan)道元件DN（公(gong)(gong)(gong)稱(cheng)尺(chi)(chi)寸）的定(ding)義(yi)及選(xuan)用》的規(gui)定(ding)。法(fa)蘭(lan)及墊(dian)片公(gong)(gong)(gong)稱(cheng)通(tong)(tong)徑(jing)或公(gong)(gong)(gong)稱(cheng)尺(chi)(chi)寸的標(biao)(biao)記(ji)用DN及NPS兩個系(xi)列的標(biao)(biao)記(ji)表(biao)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(xiu)鋼法(fa)(fa)蘭(lan)密(mi)封面(mian)(mian)(mian)(mian)(mian)主(zhu)要(yao)有平面(mian)(mian)(mian)(mian)(mian)、凸(tu)面(mian)(mian)(mian)(mian)(mian)、凹凸(tu)面(mian)(mian)(mian)(mian)(mian)、榫槽面(mian)(mian)(mian)(mian)(mian)、O形圈(quan)面(mian)(mian)(mian)(mian)(mian)及環(huan)連(lian)接(jie)面(mian)(mian)(mian)(mian)(mian)六種型式，見表3-5中的(de)簡圖。平面(mian)(mian)(mian)(mian)(mian)密(mi)封面(mian)(mian)(mian)(mian)(mian)主(zhu)要(yao)用(yong)于(yu)寬面(mian)(mian)(mian)(mian)(mian)法(fa)(fa)蘭(lan)及低壓管道(dao)系統中，與相配密(mi)封墊片(pian)(pian)(pian)接(jie)觸面(mian)(mian)(mian)(mian)(mian)分布于(yu)法(fa)(fa)蘭(lan)螺栓(shuan)中心圓的(de)內(nei)、外兩(liang)側，對應的(de)墊片(pian)(pian)(pian)材質(zhi)多為石棉橡膠(jiao)等(deng)非(fei)金屬軟(ruan)質(zhi)材料，墊片(pian)(pian)(pian)預緊比壓較(jiao)低。凸(tu)面(mian)(mian)(mian)(mian)(mian)密(mi)封面(mian)(mian)(mian)(mian)(mian)主(zhu)要(yao)用(yong)于(yu)窄面(mian)(mian)(mian)(mian)(mian)...

管件的種類有哪些

管(guan)(guan)(guan)件(jian)主要(yao)分為：鑄(zhu)(zhu)(zhu)鐵(tie)(tie)管(guan)(guan)(guan)件(jian)、鋼(gang)制(zhi)(zhi)管(guan)(guan)(guan)件(jian)、有色(se)金屬管(guan)(guan)(guan)件(jian)、塑料管(guan)(guan)(guan)件(jian)一、鑄(zhu)(zhu)(zhu)鐵(tie)(tie)管(guan)(guan)(guan)件(jian) 鑄(zhu)(zhu)(zhu)鐵(tie)(tie)管(guan)(guan)(guan)件(jian)有：柔性接口鑄(zhu)(zhu)(zhu)鐵(tie)(tie)管(guan)(guan)(guan)件(jian)、球墨鑄(zhu)(zhu)(zhu)鐵(tie)(tie)管(guan)(guan)(guan)件(jian)、灰(hui)鑄(zhu)(zhu)(zhu)鐵(tie)(tie)管(guan)(guan)(guan)件(jian)、可鍛鑄(zhu)(zhu)(zhu)鐵(tie)(tie)管(guan)(guan)(guan)件(jian)、梯唇型橡膠(jiao)圈接口鑄(zhu)(zhu)(zhu)鐵(tie)(tie)管(guan)(guan)(guan)件(jian)。二、鋼(gang)制(zhi)(zhi)管(guan)(guan)(guan)件(jian) 鋼(gang)制(zhi)(zhi)管(guan)(guan)(guan)件(jian)有：食品(pin)工業用(yong)不銹鋼(gang)螺紋接頭、船用(yong)鋼(gang)管(guan)(guan)(guan)對焊接頭...

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