NEWS
管法(fa)蘭(lan)通常按材質可分(fen)為(wei)四大(da)類：鋼(gang)制(zhi)管法(fa)蘭(lan)、鑄鐵管法(fa)蘭(lan)、銅合金及(ji)復合法(fa)蘭(lan)及(ji)鋁和鋁合金管法(fa)蘭(lan)等。前三類法(fa)蘭(lan)目前在(zai)國(guo)內已(yi)形成標準。在(zai)各類法(fa)蘭(lan)中(zhong)，又可根據法(fa)蘭(lan)的(de)結構(gou)型式(shi)與其(qi)密封面型式(shi)再(zai)具體細分(fen)。 法(fa)蘭(lan)類型或結構(gou)型式(shi)主要是按法(fa)蘭(lan)與管子(zi)連接的(de)方式(shi)進行(xing)劃分(fen)的(de)，可分(fen)為(wei)：...
閥(fa)門在工(gong)農業生(sheng)產中有(you)(you)著非常(chang)廣泛的(de)(de)應用(yong)，在各種(zhong)(zhong)(zhong)(zhong)場(chang)合(he)中的(de)(de)使用(yong)有(you)(you)不同的(de)(de)要求。據統計，一(yi)個中等的(de)(de)現代化(hua)石油化(hua)工(gong)企(qi)業，使用(yong)的(de)(de)閥(fa)門種(zhong)(zhong)(zhong)(zhong)類(lei)繁(fan)多(duo)，同時隨(sui)著科(ke)技的(de)(de)發展(zhan)與進步，性能各異的(de)(de)新品(pin)種(zhong)(zhong)(zhong)(zhong)閥(fa)門不斷出現。所以，盡管閥(fa)門有(you)(you)多(duo)種(zhong)(zhong)(zhong)(zhong)分(fen)類(lei)方法，也很難把它們嚴格劃分(fen)清楚，下(xia)面(mian)介(jie)紹幾種(zhong)(zhong)(zhong)(zhong)常(chang)見的(de)(de)分(fen)類(lei)方法。...
管(guan)(guan)(guan)法(fa)(fa)(fa)(fa)蘭及墊片(pian)公(gong)(gong)稱(cheng)壓(ya)(ya)力(li)的定(ding)義、標(biao)(biao)記及數值(zhi)應遵(zun)循GB/T1048-2005《管(guan)(guan)(guan)道元(yuan)件PN（公(gong)(gong)稱(cheng)壓(ya)(ya)力(li)）的定(ding)義和選用(yong)(yong)》的規定(ding)。 管(guan)(guan)(guan)法(fa)(fa)(fa)(fa)蘭（含鋼制(zhi)管(guan)(guan)(guan)法(fa)(fa)(fa)(fa)蘭、鑄鐵法(fa)(fa)(fa)(fa)蘭及銅合金法(fa)(fa)(fa)(fa)蘭）及相應墊片(pian)的公(gong)(gong)稱(cheng)壓(ya)(ya)力(li)采用(yong)(yong)PN標(biao)(biao)記及Class標(biao)(biao)記兩個系列(lie)。公(gong)(gong)稱(cheng)壓(ya)(ya)力(li)用(yong)(yong)PN標(biao)(biao)記的法(fa)(fa)(fa)(fa)...
閥(fa)(fa)(fa)(fa)門種類煩多(duo)，至德(de)鋼業來為(wei)大家介紹一下(xia)，常用(yong)的閥(fa)(fa)(fa)(fa)門有哪(na)些(xie)及其功能作用(yong)與特點。1.閥(fa)(fa)(fa)(fa)門 用(yong)以(yi)控制管(guan)道(dao)內介質流動的、具有可動機構的機械產品的總稱。2.閘閥(fa)(fa)(fa)(fa) 啟閉件為(wei)閘板，由閥(fa)(fa)(fa)(fa)桿帶動，沿閥(fa)(fa)(fa)(fa)座密封面(mian)作升降運動的閥(fa)(fa)(fa)(fa)門。3.截止閥(fa)(fa)(fa)(fa) 啟閉件為(wei)閥(fa)(fa)(fa)(fa)瓣，由閥(fa)(fa)(fa)(fa)...
不銹鋼壓力(li)管道用法蘭密封接(jie)頭是由不銹鋼法蘭、密封墊(dian)片(pian)及緊固(gu)螺栓三個(ge)元件(jian)組成的(de)一個(ge)密封組件(jian)，起著連接(jie)管子、泵、閥門、壓力(li)容器及各種承壓設備的(de)重(zhong)要作用，它是機(ji)械(xie)、石油、化工(gong)(gong)、石化、水(shui)利、電力(li)、輕工(gong)(gong)、紡織、船舶、制(zhi)藥及核工(gong)(gong)業等部門管道系統(tong)和(he)裝置中應用最廣(guang)泛(fan)的(de)一種管道連接(jie)件(jian)...
1.管(guan)(guan)(guan)件 管(guan)(guan)(guan)道系統(tong)中用于(yu)直接(jie)連接(jie)、轉彎、分支、變徑(jing)以及用作端部(bu)等的零部(bu)件。 包(bao)括(kuo)(kuo)彎頭、彎管(guan)(guan)(guan)、三通(tong)(tong)、四(si)通(tong)(tong)、異(yi)徑(jing)管(guan)(guan)(guan)、管(guan)(guan)(guan)箍、內(nei)外螺(luo)紋(wen)接(jie)頭、活接(jie)頭、快速軟管(guan)(guan)(guan)接(jie)頭、螺(luo)紋(wen)短節(jie)、支管(guan)(guan)(guan)座（臺(tai)）、絲堵（管(guan)(guan)(guan)堵）、管(guan)(guan)(guan)帽、盲(mang)板等，不(bu)包(bao)括(kuo)(kuo)閥(fa)門、法(fa)蘭、緊固件、墊片。 2....
在管(guan)(guan)(guan)道(dao)系統(tong)中，管(guan)(guan)(guan)道(dao)元件（含法蘭(lan)及(ji)墊片(pian)）公(gong)(gong)(gong)(gong)稱(cheng)通(tong)徑(jing)或公(gong)(gong)(gong)(gong)稱(cheng)尺寸(cun)(cun)是管(guan)(guan)(guan)路的一(yi)個重要參數(shu)。管(guan)(guan)(guan)法蘭(lan)及(ji)墊片(pian)公(gong)(gong)(gong)(gong)稱(cheng)通(tong)徑(jing)的定(ding)(ding)義(yi)、標(biao)記及(ji)數(shu)值應遵(zun)循GB/T1047-2005《管(guan)(guan)(guan)道(dao)元件DN（公(gong)(gong)(gong)(gong)稱(cheng)尺寸(cun)(cun)）的定(ding)(ding)義(yi)及(ji)選用(yong)》的規定(ding)(ding)。法蘭(lan)及(ji)墊片(pian)公(gong)(gong)(gong)(gong)稱(cheng)通(tong)徑(jing)或公(gong)(gong)(gong)(gong)稱(cheng)尺寸(cun)(cun)的標(biao)記用(yong)DN及(ji)NPS兩個系列(lie)的標(biao)記表示：公(gong)(gong)(gong)(gong)...
不銹(xiu)鋼法蘭(lan)密封(feng)(feng)面(mian)(mian)(mian)(mian)主(zhu)要(yao)(yao)有(you)平(ping)面(mian)(mian)(mian)(mian)、凸(tu)面(mian)(mian)(mian)(mian)、凹凸(tu)面(mian)(mian)(mian)(mian)、榫槽面(mian)(mian)(mian)(mian)、O形圈(quan)面(mian)(mian)(mian)(mian)及(ji)環(huan)連接面(mian)(mian)(mian)(mian)六種(zhong)型式(shi)，見表3-5中的簡圖。平(ping)面(mian)(mian)(mian)(mian)密封(feng)(feng)面(mian)(mian)(mian)(mian)主(zhu)要(yao)(yao)用(yong)于(yu)寬面(mian)(mian)(mian)(mian)法蘭(lan)及(ji)低(di)壓管(guan)道系(xi)統中，與相配密封(feng)(feng)墊(dian)片接觸(chu)面(mian)(mian)(mian)(mian)分布于(yu)法蘭(lan)螺栓中心圓(yuan)的內、外兩(liang)側，對(dui)應的墊(dian)片材質多為石(shi)棉橡(xiang)膠(jiao)等非(fei)金屬軟(ruan)質材料，墊(dian)片預緊比壓較低(di)。凸(tu)面(mian)(mian)(mian)(mian)密封(feng)(feng)面(mian)(mian)(mian)(mian)主(zhu)要(yao)(yao)用(yong)于(yu)窄面(mian)(mian)(mian)(mian)...
管(guan)(guan)(guan)件(jian)(jian)主要分為(wei)：鑄(zhu)(zhu)鐵(tie)(tie)(tie)管(guan)(guan)(guan)件(jian)(jian)、鋼(gang)制管(guan)(guan)(guan)件(jian)(jian)、有(you)色(se)金屬管(guan)(guan)(guan)件(jian)(jian)、塑料管(guan)(guan)(guan)件(jian)(jian)一(yi)、鑄(zhu)(zhu)鐵(tie)(tie)(tie)管(guan)(guan)(guan)件(jian)(jian) 鑄(zhu)(zhu)鐵(tie)(tie)(tie)管(guan)(guan)(guan)件(jian)(jian)有(you)：柔性接(jie)口(kou)(kou)鑄(zhu)(zhu)鐵(tie)(tie)(tie)管(guan)(guan)(guan)件(jian)(jian)、球墨鑄(zhu)(zhu)鐵(tie)(tie)(tie)管(guan)(guan)(guan)件(jian)(jian)、灰鑄(zhu)(zhu)鐵(tie)(tie)(tie)管(guan)(guan)(guan)件(jian)(jian)、可(ke)鍛鑄(zhu)(zhu)鐵(tie)(tie)(tie)管(guan)(guan)(guan)件(jian)(jian)、梯唇(chun)型橡膠(jiao)圈接(jie)口(kou)(kou)鑄(zhu)(zhu)鐵(tie)(tie)(tie)管(guan)(guan)(guan)件(jian)(jian)。二、鋼(gang)制管(guan)(guan)(guan)件(jian)(jian) 鋼(gang)制管(guan)(guan)(guan)件(jian)(jian)有(you)：食品工業用(yong)(yong)不銹鋼(gang)螺(luo)紋接(jie)頭(tou)、船(chuan)用(yong)(yong)鋼(gang)管(guan)(guan)(guan)對焊(han)接(jie)頭(tou)...
