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法蘭種類、類型代號或結構型式

管(guan)法(fa)(fa)蘭(lan)通常按材質可(ke)(ke)分(fen)為(wei)(wei)四大(da)類：鋼制管(guan)法(fa)(fa)蘭(lan)、鑄(zhu)鐵管(guan)法(fa)(fa)蘭(lan)、銅合(he)(he)金(jin)及復(fu)合(he)(he)法(fa)(fa)蘭(lan)及鋁(lv)和鋁(lv)合(he)(he)金(jin)管(guan)法(fa)(fa)蘭(lan)等(deng)。前三(san)類法(fa)(fa)蘭(lan)目前在國內(nei)已形成標準。在各類法(fa)(fa)蘭(lan)中，又可(ke)(ke)根據法(fa)(fa)蘭(lan)的結構型(xing)式(shi)與其密封(feng)面型(xing)式(shi)再(zai)具(ju)體細分(fen)。法(fa)(fa)蘭(lan)類型(xing)或(huo)結構型(xing)式(shi)主(zhu)要是按法(fa)(fa)蘭(lan)與管(guan)子連接的方式(shi)進行劃分(fen)的，可(ke)(ke)分(fen)為(wei)(wei)：...

閥門的種類有哪些

閥(fa)(fa)門(men)在工農業(ye)生產中有(you)著非常(chang)廣泛的應(ying)用，在各(ge)種場合(he)中的使(shi)用有(you)不(bu)同的要(yao)求。據(ju)統計，一個中等(deng)的現代化(hua)石油化(hua)工企業(ye)，使(shi)用的閥(fa)(fa)門(men)種類繁(fan)多，同時隨著科技的發展與進步，性能各(ge)異的新(xin)品(pin)種閥(fa)(fa)門(men)不(bu)斷出現。所(suo)以(yi)，盡管閥(fa)(fa)門(men)有(you)多種分類方(fang)法，也很(hen)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(fang)法。...

管法蘭及墊片公稱壓力

管法蘭(lan)(lan)及墊片公(gong)稱(cheng)壓力的(de)定義(yi)、標記及數值應遵循GB/T1048-2005《管道元件PN（公(gong)稱(cheng)壓力）的(de)定義(yi)和選用(yong)》的(de)規定。管法蘭(lan)(lan)（含鋼制管法蘭(lan)(lan)、鑄(zhu)鐵法蘭(lan)(lan)及銅合金法蘭(lan)(lan)）及相應墊片的(de)公(gong)稱(cheng)壓力采(cai)用(yong)PN標記及Class標記兩個(ge)系列。公(gong)稱(cheng)壓力用(yong)PN標記的(de)法...

常用閥門種類名稱術語

閥(fa)(fa)門(men)(men)種類煩(fan)多，至德(de)鋼業來為大家(jia)介(jie)紹一下，常用(yong)(yong)的閥(fa)(fa)門(men)(men)有哪些及其(qi)功(gong)能(neng)作(zuo)用(yong)(yong)與特點。1.閥(fa)(fa)門(men)(men) 用(yong)(yong)以控制管道內(nei)介(jie)質流動的、具有可動機(ji)構的機(ji)械產品的總稱(cheng)。2.閘閥(fa)(fa) 啟閉件(jian)為閘板，由(you)閥(fa)(fa)桿帶(dai)動，沿閥(fa)(fa)座(zuo)密封面(mian)作(zuo)升降運動的閥(fa)(fa)門(men)(men)。3.截止閥(fa)(fa) 啟閉件(jian)為閥(fa)(fa)瓣，由(you)閥(fa)(fa)...

法蘭、墊片、密封件標準術語

不銹鋼(gang)壓(ya)(ya)力管道用法蘭密封接(jie)(jie)頭是由不銹鋼(gang)法蘭、密封墊片及緊固螺栓三個元(yuan)件組成的一個密封組件，起著(zhu)連接(jie)(jie)管子、泵、閥門、壓(ya)(ya)力容器及各(ge)種承壓(ya)(ya)設(she)備的重要作用，它是機械、石油、化(hua)工(gong)、石化(hua)、水利、電力、輕工(gong)、紡織、船舶、制藥及核(he)工(gong)業(ye)等部門管道系統(tong)和裝(zhuang)置中應用最(zui)廣(guang)泛的一種管道連接(jie)(jie)件...

常用管件標準術語

1.管(guan)(guan)(guan)(guan)件管(guan)(guan)(guan)(guan)道(dao)系統(tong)中用(yong)于直(zhi)接(jie)(jie)連(lian)接(jie)(jie)、轉彎(wan)、分支(zhi)、變(bian)徑以及用(yong)作(zuo)端部等(deng)的(de)零(ling)部件。包括彎(wan)頭(tou)(tou)、彎(wan)管(guan)(guan)(guan)(guan)、三通(tong)、四通(tong)、異徑管(guan)(guan)(guan)(guan)、管(guan)(guan)(guan)(guan)箍、內外螺紋(wen)(wen)接(jie)(jie)頭(tou)(tou)、活(huo)接(jie)(jie)頭(tou)(tou)、快速軟管(guan)(guan)(guan)(guan)接(jie)(jie)頭(tou)(tou)、螺紋(wen)(wen)短節、支(zhi)管(guan)(guan)(guan)(guan)座（臺）、絲(si)堵（管(guan)(guan)(guan)(guan)堵）、管(guan)(guan)(guan)(guan)帽、盲板等(deng)，不包括閥(fa)門、法(fa)蘭、緊固件、墊片。 2....

管法蘭及墊片公稱通徑與鋼管外徑

在管(guan)道(dao)系(xi)統中，管(guan)道(dao)元(yuan)件（含法(fa)(fa)蘭及墊片）公(gong)(gong)稱通徑(jing)(jing)或公(gong)(gong)稱尺寸(cun)是管(guan)路的(de)一個(ge)重要參(can)數。管(guan)法(fa)(fa)蘭及墊片公(gong)(gong)稱通徑(jing)(jing)的(de)定(ding)(ding)(ding)義、標記(ji)及數值應遵循(xun)GB/T1047-2005《管(guan)道(dao)元(yuan)件DN（公(gong)(gong)稱尺寸(cun)）的(de)定(ding)(ding)(ding)義及選用》的(de)規定(ding)(ding)(ding)。法(fa)(fa)蘭及墊片公(gong)(gong)稱通徑(jing)(jing)或公(gong)(gong)稱尺寸(cun)的(de)標記(ji)用DN及NPS兩個(ge)系(xi)列的(de)標記(ji)表(biao)示：公(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)蘭(lan)密(mi)(mi)封(feng)面(mian)(mian)(mian)(mian)(mian)主(zhu)(zhu)要(yao)有平(ping)面(mian)(mian)(mian)(mian)(mian)、凸(tu)面(mian)(mian)(mian)(mian)(mian)、凹(ao)凸(tu)面(mian)(mian)(mian)(mian)(mian)、榫槽面(mian)(mian)(mian)(mian)(mian)、O形(xing)圈面(mian)(mian)(mian)(mian)(mian)及(ji)(ji)環(huan)連接面(mian)(mian)(mian)(mian)(mian)六(liu)種型式，見表3-5中(zhong)的(de)簡圖。平(ping)面(mian)(mian)(mian)(mian)(mian)密(mi)(mi)封(feng)面(mian)(mian)(mian)(mian)(mian)主(zhu)(zhu)要(yao)用于(yu)(yu)寬面(mian)(mian)(mian)(mian)(mian)法(fa)蘭(lan)及(ji)(ji)低壓管道系統中(zhong)，與相配密(mi)(mi)封(feng)墊(dian)片接觸(chu)面(mian)(mian)(mian)(mian)(mian)分(fen)布(bu)于(yu)(yu)法(fa)蘭(lan)螺栓中(zhong)心圓的(de)內、外兩(liang)側，對應的(de)墊(dian)片材質多為石棉橡膠(jiao)等(deng)非金屬軟質材料(liao)，墊(dian)片預緊比壓較(jiao)低。凸(tu)面(mian)(mian)(mian)(mian)(mian)密(mi)(mi)封(feng)面(mian)(mian)(mian)(mian)(mian)主(zhu)(zhu)要(yao)用于(yu)(yu)窄面(mian)(mian)(mian)(mian)(mian)...

管件的種類有哪些

管(guan)(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)(jian)主要分為：鑄(zhu)(zhu)鐵(tie)(tie)管(guan)(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)(jian)、鋼制(zhi)管(guan)(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)(jian)、有(you)色金屬管(guan)(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)(jian)、塑(su)料管(guan)(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)(jian)一、鑄(zhu)(zhu)鐵(tie)(tie)管(guan)(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)(jian) 鑄(zhu)(zhu)鐵(tie)(tie)管(guan)(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)(jian)有(you)：柔性接口(kou)鑄(zhu)(zhu)鐵(tie)(tie)管(guan)(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)(jian)、球墨鑄(zhu)(zhu)鐵(tie)(tie)管(guan)(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)(jian)、灰鑄(zhu)(zhu)鐵(tie)(tie)管(guan)(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)(jian)、可(ke)鍛鑄(zhu)(zhu)鐵(tie)(tie)管(guan)(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)(jian)、梯唇(chun)型(xing)橡膠圈接口(kou)鑄(zhu)(zhu)鐵(tie)(tie)管(guan)(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)(jian)。二(er)、鋼制(zhi)管(guan)(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)(jian) 鋼制(zhi)管(guan)(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)(jian)有(you)：食品工業用(yong)不銹鋼螺紋接頭、船用(yong)鋼管(guan)(guan)(guan)(guan)(guan)對(dui)焊(han)接頭...

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