法蘭球(qiu)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)是石油(you)化工裝(zhuang)(zhuang)(zhuang)置中量大(da)面廣的(de)(de)重要壓(ya)力(li)管道元件(jian)(jian)，它具有截斷、調節、導流(liu)(liu)、防(fang)止(zhi)逆流(liu)(liu)、穩(wen)壓(ya)、分(fen)流(liu)(liu)或溢流(liu)(liu)、泄壓(ya)等功能；閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)(men)(men)也(ye)是管路中較復(fu)雜的(de)(de)元件(jian)(jian)，它一(yi)般由多(duo)個零部(bu)件(jian)(jian)裝(zhuang)(zhuang)(zhuang)配而成，結構復(fu)雜、技術(shu)含(han)量較高。閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)(men)(men)的(de)(de)應用(yong)極廣，在(zai)各類(lei)(lei)石油(you)化工和化工裝(zhuang)(zhuang)(zhuang)置中，管道材料(liao)費(fei)用(yong)約占(zhan)項目總(zong)投資(zi)的(de)(de)15%~20%，而閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)(men)(men)的(de)(de)投資(zi)費(fei)用(yong)又約占(zhan)配管總(zong)費(fei)用(yong)的(de)(de)50%以上，其中各種(zhong)類(lei)(lei)型閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)(men)(men)的(de)(de)比(bi)例不盡(jin)相同，以煉油(you)裝(zhuang)(zhuang)(zhuang)置為(wei)例，各種(zhong)類(lei)(lei)型閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)(men)(men)在(zai)裝(zhuang)(zhuang)(zhuang)置內占(zhan)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)(men)(men)總(zong)數(shu)的(de)(de)比(bi)例分(fen)別為(wei)：閘閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)80%、截止(zhi)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)8%、止(zhi)回閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)6%，這三種(zhong)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)在(zai)石油(you)化工生產(chan)裝(zhuang)(zhuang)(zhuang)置中是應用(yong)較多(duo)的(de)(de)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)(men)(men)，其他閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)(men)(men)占(zhan)6%，閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)(men)(men)投資(zi)占(zhan)裝(zhuang)(zhuang)(zhuang)置的(de)(de)5%~8%。以250萬(wan)(wan)噸(dun)/年(nian)(nian)常減壓(ya)裝(zhuang)(zhuang)(zhuang)置和140萬(wan)(wan)噸(dun)/年(nian)(nian)催化裂化裝(zhuang)(zhuang)(zhuang)置為(wei)例，閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)(men)(men)規(gui)格占(zhan)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)(men)(men)總(zong)個數(shu)的(de)(de)比(bi)例為(wei)：DN≥4003%，DN150~35012%，DN50~10025%，DN≤4060%。浙江萬(wan)(wan)聯閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)業(ye)有限公司致力(li)于(yu)提供球(qiu)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)產(chan)品，有想法可以來(lai)我司咨詢！甘(gan)肅美標球(qiu)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)

化(hua)(hua)工部球(qiu)(qiu)閥(fa)(fa)(fa)(fa)(fa)適用(yong)(yong)(yong)場所化(hua)(hua)工部球(qiu)(qiu)閥(fa)(fa)(fa)(fa)(fa)諸(zhu)多(duo)獨特的(de)(de)特點決定了球(qiu)(qiu)閥(fa)(fa)(fa)(fa)(fa)的(de)(de)使用(yong)(yong)(yong)場合相對較(jiao)廣，通常，在(zai)(zai)雙(shuang)位(wei)調節、密(mi)封(feng)性能嚴(yan)格(ge)、泥漿(jiang)、磨損(sun)、縮口通道、啟(qi)閉動作(zuo)(zuo)迅速（1/4轉啟(qi)閉）、高壓(ya)截止(zhi)（壓(ya)差大(da)）、低(di)噪聲、有(you)氣穴和(he)氣化(hua)(hua)現象、向大(da)氣少量(liang)滲漏，操作(zuo)(zuo)力(li)矩(ju)小、流體(ti)阻力(li)小的(de)(de)管路(lu)(lu)系(xi)(xi)統(tong)中(zhong)(zhong)(zhong)，推薦使用(yong)(yong)(yong)球(qiu)(qiu)閥(fa)(fa)(fa)(fa)(fa)。化(hua)(hua)工部球(qiu)(qiu)閥(fa)(fa)(fa)(fa)(fa)也(ye)適用(yong)(yong)(yong)于(yu)輕型(xing)結構、低(di)壓(ya)截止(zhi)（壓(ya)差小）、腐蝕性介質(zhi)的(de)(de)管路(lu)(lu)系(xi)(xi)統(tong)中(zhong)(zhong)(zhong)。在(zai)(zai)低(di)溫(wen)（深(shen)冷(leng)）裝置和(he)管路(lu)(lu)系(xi)(xi)統(tong)中(zhong)(zhong)(zhong)也(ye)可選(xuan)(xuan)用(yong)(yong)(yong)球(qiu)(qiu)閥(fa)(fa)(fa)(fa)(fa)。在(zai)(zai)冶金(jin)行(xing)業的(de)(de)氧氣管路(lu)(lu)系(xi)(xi)統(tong)中(zhong)(zhong)(zhong)，需(xu)使用(yong)(yong)(yong)經過嚴(yan)格(ge)脫脂(zhi)處(chu)理的(de)(de)球(qiu)(qiu)閥(fa)(fa)(fa)(fa)(fa)。在(zai)(zai)輸(shu)(shu)油管線和(he)輸(shu)(shu)氣管線中(zhong)(zhong)(zhong)的(de)(de)主管線需(xu)埋(mai)設在(zai)(zai)地下時，需(xu)使用(yong)(yong)(yong)全(quan)通徑焊(han)接式球(qiu)(qiu)閥(fa)(fa)(fa)(fa)(fa)。在(zai)(zai)要求(qiu)具有(you)調節性能時，需(xu)選(xuan)(xuan)用(yong)(yong)(yong)帶V形開口結構的(de)(de)球(qiu)(qiu)閥(fa)(fa)(fa)(fa)(fa)。在(zai)(zai)石油、石油化(hua)(hua)工、化(hua)(hua)工、電力(li)、城(cheng)市(shi)建設中(zhong)(zhong)(zhong)，工作(zuo)(zuo)溫(wen)度在(zai)(zai)200度以(yi)上的(de)(de)管路(lu)(lu)系(xi)(xi)統(tong)可選(xuan)(xuan)用(yong)(yong)(yong)金(jin)屬(shu)對金(jin)屬(shu)密(mi)封(feng)的(de)(de)球(qiu)(qiu)閥(fa)(fa)(fa)(fa)(fa)。北(bei)京(jing)化(hua)(hua)工部球(qiu)(qiu)閥(fa)(fa)(fa)(fa)(fa)價格(ge)球(qiu)(qiu)閥(fa)(fa)(fa)(fa)(fa)產(chan)品，就選(xuan)(xuan)浙(zhe)江萬(wan)聯(lian)閥(fa)(fa)(fa)(fa)(fa)業有(you)限公司，用(yong)(yong)(yong)戶的(de)(de)信賴之選(xuan)(xuan)，歡迎(ying)新老客(ke)戶來電！

電(dian)(dian)(dian)(dian)(dian)動(dong)(dong)球(qiu)(qiu)(qiu)閥(fa)(fa)(fa)是(shi)一(yi)種(zhong)(zhong)常(chang)見的(de)(de)閥(fa)(fa)(fa)門類(lei)型(xing)(xing)(xing)(xing)(xing)，廣泛(fan)應用(yong)(yong)(yong)(yong)于(yu)(yu)(yu)工(gong)(gong)業(ye)、化工(gong)(gong)、石油、制(zhi)(zhi)藥等(deng)領(ling)域的(de)(de)自動(dong)(dong)化控制(zhi)(zhi)系統中(zhong)。它(ta)(ta)具有(you)開(kai)(kai)關(guan)迅速、密(mi)封效果好、使用(yong)(yong)(yong)(yong)壽(shou)命(ming)長、操作方便等(deng)優(you)點。本(ben)文簡(jian)單的(de)(de)介(jie)(jie)(jie)紹七種(zhong)(zhong)常(chang)用(yong)(yong)(yong)(yong)的(de)(de)電(dian)(dian)(dian)(dian)(dian)動(dong)(dong)球(qiu)(qiu)(qiu)閥(fa)(fa)(fa)一(yi)、開(kai)(kai)關(guan)型(xing)(xing)(xing)(xing)(xing)電(dian)(dian)(dian)(dian)(dian)動(dong)(dong)球(qiu)(qiu)(qiu)閥(fa)(fa)(fa)開(kai)(kai)關(guan)型(xing)(xing)(xing)(xing)(xing)電(dian)(dian)(dian)(dian)(dian)動(dong)(dong)球(qiu)(qiu)(qiu)閥(fa)(fa)(fa)是(shi)一(yi)種(zhong)(zhong)可(ke)(ke)快速開(kai)(kai)關(guan)的(de)(de)閥(fa)(fa)(fa)門，其結構簡(jian)單，維護方便。該(gai)閥(fa)(fa)(fa)門適用(yong)(yong)(yong)(yong)于(yu)(yu)(yu)水(shui)、氣(qi)、油等(deng)流體(ti)的(de)(de)開(kai)(kai)關(guan)控制(zhi)(zhi)，可(ke)(ke)用(yong)(yong)(yong)(yong)于(yu)(yu)(yu)管道(dao)和(he)設備的(de)(de)進(jin)出口，也可(ke)(ke)用(yong)(yong)(yong)(yong)于(yu)(yu)(yu)介(jie)(jie)(jie)質(zhi)流向的(de)(de)切換。二、調(diao)(diao)節(jie)型(xing)(xing)(xing)(xing)(xing)電(dian)(dian)(dian)(dian)(dian)動(dong)(dong)球(qiu)(qiu)(qiu)閥(fa)(fa)(fa)調(diao)(diao)節(jie)型(xing)(xing)(xing)(xing)(xing)電(dian)(dian)(dian)(dian)(dian)動(dong)(dong)球(qiu)(qiu)(qiu)閥(fa)(fa)(fa)是(shi)一(yi)種(zhong)(zhong)可(ke)(ke)精確(que)調(diao)(diao)節(jie)流量的(de)(de)閥(fa)(fa)(fa)門，其結構與開(kai)(kai)關(guan)型(xing)(xing)(xing)(xing)(xing)電(dian)(dian)(dian)(dian)(dian)動(dong)(dong)球(qiu)(qiu)(qiu)閥(fa)(fa)(fa)類(lei)似(si)，但增加了調(diao)(diao)節(jie)功能。該(gai)閥(fa)(fa)(fa)門適用(yong)(yong)(yong)(yong)于(yu)(yu)(yu)需要對流量進(jin)行精確(que)調(diao)(diao)節(jie)的(de)(de)場(chang)合，如溫(wen)(wen)(wen)(wen)度、壓力等(deng)工(gong)(gong)藝參數的(de)(de)控制(zhi)(zhi)。三、防(fang)爆型(xing)(xing)(xing)(xing)(xing)電(dian)(dian)(dian)(dian)(dian)動(dong)(dong)球(qiu)(qiu)(qiu)閥(fa)(fa)(fa)防(fang)爆型(xing)(xing)(xing)(xing)(xing)電(dian)(dian)(dian)(dian)(dian)動(dong)(dong)球(qiu)(qiu)(qiu)閥(fa)(fa)(fa)是(shi)一(yi)種(zhong)(zhong)具有(you)防(fang)爆功能的(de)(de)閥(fa)(fa)(fa)門，適用(yong)(yong)(yong)(yong)于(yu)(yu)(yu)易(yi)燃(ran)易(yi)爆氣(qi)體(ti)的(de)(de)場(chang)合。它(ta)(ta)的(de)(de)電(dian)(dian)(dian)(dian)(dian)機采用(yong)(yong)(yong)(yong)防(fang)爆型(xing)(xing)(xing)(xing)(xing)電(dian)(dian)(dian)(dian)(dian)機，具有(you)較高(gao)(gao)的(de)(de)安全性(xing)能。該(gai)閥(fa)(fa)(fa)門適用(yong)(yong)(yong)(yong)于(yu)(yu)(yu)石油、化工(gong)(gong)等(deng)領(ling)域中(zhong)的(de)(de)易(yi)燃(ran)易(yi)爆氣(qi)體(ti)輸(shu)(shu)送和(he)排放(fang)過(guo)(guo)程(cheng)。四(si)、高(gao)(gao)溫(wen)(wen)(wen)(wen)型(xing)(xing)(xing)(xing)(xing)電(dian)(dian)(dian)(dian)(dian)動(dong)(dong)球(qiu)(qiu)(qiu)閥(fa)(fa)(fa)高(gao)(gao)溫(wen)(wen)(wen)(wen)型(xing)(xing)(xing)(xing)(xing)電(dian)(dian)(dian)(dian)(dian)動(dong)(dong)球(qiu)(qiu)(qiu)閥(fa)(fa)(fa)是(shi)一(yi)種(zhong)(zhong)適用(yong)(yong)(yong)(yong)于(yu)(yu)(yu)高(gao)(gao)溫(wen)(wen)(wen)(wen)工(gong)(gong)況(kuang)的(de)(de)閥(fa)(fa)(fa)門，其結構特殊(shu)，采用(yong)(yong)(yong)(yong)高(gao)(gao)溫(wen)(wen)(wen)(wen)材質(zhi)，能夠(gou)在高(gao)(gao)溫(wen)(wen)(wen)(wen)環境下正常(chang)工(gong)(gong)作。該(gai)閥(fa)(fa)(fa)門適用(yong)(yong)(yong)(yong)于(yu)(yu)(yu)高(gao)(gao)溫(wen)(wen)(wen)(wen)氣(qi)體(ti)、液體(ti)的(de)(de)輸(shu)(shu)送和(he)排放(fang)過(guo)(guo)程(cheng)，如發電(dian)(dian)(dian)(dian)(dian)廠、冶煉廠等(deng)高(gao)(gao)溫(wen)(wen)(wen)(wen)工(gong)(gong)藝流程(cheng)。五、防(fang)腐型(xing)(xing)(xing)(xing)(xing)電(dian)(dian)(dian)(dian)(dian)動(dong)(dong)球(qiu)(qiu)(qiu)閥(fa)(fa)(fa)防(fang)腐型(xing)(xing)(xing)(xing)(xing)電(dian)(dian)(dian)(dian)(dian)動(dong)(dong)球(qiu)(qiu)(qiu)閥(fa)(fa)(fa)是(shi)一(yi)種(zhong)(zhong)適用(yong)(yong)(yong)(yong)于(yu)(yu)(yu)強腐蝕性(xing)介(jie)(jie)(jie)質(zhi)的(de)(de)閥(fa)(fa)(fa)門，其材質(zhi)和(he)結構經過(guo)(guo)特殊(shu)處理。

球(qiu)閥(fa)(fa)(fa)規格(ge)書的內(nei)容(rong)通(tong)用閥(fa)(fa)(fa)門規格(ge)書應(ying)包(bao)括下列內(nei)容(rong)：1）采用的標準代號(hao)；2）閥(fa)(fa)(fa)門的名(ming)稱(cheng)、公稱(cheng)壓力、公稱(cheng)直徑；3）閥(fa)(fa)(fa)體(ti)(ti)材(cai)(cai)料(liao)、閥(fa)(fa)(fa)體(ti)(ti)對外連接方式；4）閥(fa)(fa)(fa)座密封面材(cai)(cai)料(liao)；5）閥(fa)(fa)(fa)桿與閥(fa)(fa)(fa)蓋結構、閥(fa)(fa)(fa)桿等內(nei)件材(cai)(cai)料(liao)，填(tian)料(liao)種(zhong)類；6）閥(fa)(fa)(fa)體(ti)(ti)中(zhong)法(fa)(fa)蘭(lan)墊片種(zhong)類、緊固件結構及(ji)材(cai)(cai)料(liao)；7）設計者提出的閥(fa)(fa)(fa)門代號(hao)或標簽號(hao)；8）其它(ta)特(te)殊要求。國(guo)內(nei)現(xian)行的閥(fa)(fa)(fa)門型號(hao)表(biao)示方法(fa)(fa)，對閥(fa)(fa)(fa)桿及(ji)內(nei)件材(cai)(cai)料(liao)、填(tian)料(liao)種(zhong)類、中(zhong)法(fa)(fa)蘭(lan)(閥(fa)(fa)(fa)蓋法(fa)(fa)蘭(lan))墊片種(zhong)類、中(zhong)法(fa)(fa)蘭(lan)緊固件材(cai)(cai)料(liao)種(zhong)類等均無規定，不能說明閥(fa)(fa)(fa)門的屬(shu)性。浙江(jiang)萬聯閥(fa)(fa)(fa)業有限公司為(wei)您提供 球(qiu)閥(fa)(fa)(fa)產品，有需要可以聯系我(wo)司哦(e)！

美(mei)標氣(qi)(qi)(qi)動(dong)球(qiu)閥(fa)氣(qi)(qi)(qi)動(dong)執行(xing)機(ji)構(gou)選擇(ze)：雙作用(yong)活塞(sai)(sai)式氣(qi)(qi)(qi)動(dong)執行(xing)機(ji)構(gou)，主要(yao)有(you)氣(qi)(qi)(qi)缸(gang)，端蓋，活塞(sai)(sai)。齒輪軸。限(xian)位(wei)塊，調(diao)節螺釘，指(zhi)示器(qi)等零(ling)件組成。用(yong)壓縮空氣(qi)(qi)(qi)作為(wei)動(dong)力，推動(dong)活塞(sai)(sai)運動(dong)。活塞(sai)(sai)上集成了齒條帶動(dong)齒輪軸轉(zhuan)動(dong)90°，進而帶動(dong)球(qiu)閥(fa)的(de)(de)(de)開(kai)(kai)關(guan)動(dong)作。單(dan)作用(yong)活塞(sai)(sai)式氣(qi)(qi)(qi)動(dong)執行(xing)機(ji)構(gou)，主要(yao)在活塞(sai)(sai)和端蓋間加入復(fu)位(wei)彈(dan)簧，可以在氣(qi)(qi)(qi)源(yuan)壓力故障時依靠彈(dan)簧的(de)(de)(de)推動(dong)力使球(qiu)閥(fa)復(fu)位(wei)，保持打開(kai)(kai)或(huo)關(guan)閉的(de)(de)(de)位(wei)置，保證工藝系統(tong)的(de)(de)(de)安(an)全。所以選用(yong)單(dan)作用(yong)氣(qi)(qi)(qi)缸(gang)是要(yao)選擇(ze)好球(qiu)閥(fa)是常開(kai)(kai)或(huo)常閉狀態。氣(qi)(qi)(qi)缸(gang)現(xian)在主要(yao)種類有(you)GT氣(qi)(qi)(qi)缸(gang)，AT氣(qi)(qi)(qi)缸(gang)，AW氣(qi)(qi)(qi)缸(gang)等。GT出現(xian)較早，AT算是GT的(de)(de)(de)改進型，是現(xian)在主流產(chan)品，可以與球(qiu)閥(fa)免支(zhi)架(jia)(jia)安(an)裝，比支(zhi)架(jia)(jia)安(an)裝更快捷，方便，也(ye)更加牢(lao)固。可以調(diao)整0°和90°位(wei)置，方便安(an)裝各種電磁閥(fa)，行(xing)程開(kai)(kai)關(guan)，手輪機(ji)構(gou)附件。AW氣(qi)(qi)(qi)缸(gang)主要(yao)用(yong)于大口徑(jing)球(qiu)閥(fa)，輸出力大，采用(yong)活塞(sai)(sai)撥叉結構(gou)。浙(zhe)江(jiang)萬聯閥(fa)業(ye)有(you)限(xian)公司為(wei)您(nin)提供 球(qiu)閥(fa)產(chan)品，歡(huan)迎您(nin)的(de)(de)(de)來(lai)電！黑龍江(jiang)高(gao)壓球(qiu)閥(fa)定制

浙江萬聯(lian)閥(fa)業有限(xian)公司是(shi)一家專業提(ti)供球閥(fa)產品(pin)的(de)公司，有想(xiang)法的(de)可以來電咨(zi)詢(xun)！甘肅美標球閥(fa)

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一(yi) 設(she)計與制(zhi)(zhi)造:API6D《管(guan)線閥(fa)(fa)(fa)(fa)門(men)》API608《法蘭、螺紋和焊接(jie)(jie)連(lian)接(jie)(jie)的(de)(de)金(jin)屬球閥(fa)(fa)(fa)(fa)》ASMEB16.34《法蘭、螺紋和焊接(jie)(jie)連(lian)接(jie)(jie)的(de)(de)閥(fa)(fa)(fa)(fa)門(men)》ANSI／AWWAC507《6英寸至48英寸球閥(fa)(fa)(fa)(fa)》BFCI70-2《控制(zhi)(zhi)閥(fa)(fa)(fa)(fa)門(men)閥(fa)(fa)(fa)(fa)座(zuo)泄漏》MSSSP-72《法蘭和對焊連(lian)接(jie)(jie)的(de)(de)一(yi)般(ban)用球閥(fa)(fa)(fa)(fa)》BS5351《石油(you)、石化(hua)及相關(guan)工業用鋼制(zhi)(zhi)球閥(fa)(fa)(fa)(fa)》BS6364《低溫(wen)閥(fa)(fa)(fa)(fa)門(men)》NACEMR0175《油(you)田(tian)設(she)備用抗硫(liu)化(hua)應力(li)裂紋的(de)(de)金(jin)屬材料》GB／T12237《通用閥(fa)(fa)(fa)(fa)門(men)法蘭和對焊連(lian)接(jie)(jie)鋼制(zhi)(zhi)球閥(fa)(fa)(fa)(fa)》GB／T15185《鐵制(zhi)(zhi)和銅(tong)制(zhi)(zhi)球閥(fa)(fa)(fa)(fa)》JB／T7745《管(guan)線球閥(fa)(fa)(fa)(fa)》ISO5211《部分(fen)回轉(zhuan)閥(fa)(fa)(fa)(fa)門(men)驅動裝置的(de)(de)連(lian)接(jie)(jie)》

二 連接端(duan)尺寸標準:ASMEB16.5《管(guan)(guan)道法(fa)(fa)(fa)(fa)(fa)蘭(lan)(lan)(lan)(lan)和法(fa)(fa)(fa)(fa)(fa)蘭(lan)(lan)(lan)(lan)管(guan)(guan)件(jian)》ASMEB16.47《大直徑(jing)鋼(gang)(gang)(gang)(gang)(gang)制(zhi)(zhi)法(fa)(fa)(fa)(fa)(fa)蘭(lan)(lan)(lan)(lan)NPS26至NPS60》API605《大直徑(jing)碳鋼(gang)(gang)(gang)(gang)(gang)法(fa)(fa)(fa)(fa)(fa)蘭(lan)(lan)(lan)(lan)》MSSSP-44《鋼(gang)(gang)(gang)(gang)(gang)制(zhi)(zhi)管(guan)(guan)道法(fa)(fa)(fa)(fa)(fa)蘭(lan)(lan)(lan)(lan)》ISO7005-1《金屬(shu)法(fa)(fa)(fa)(fa)(fa)蘭(lan)(lan)(lan)(lan)第(di)1部分鋼(gang)(gang)(gang)(gang)(gang)制(zhi)(zhi)法(fa)(fa)(fa)(fa)(fa)蘭(lan)(lan)(lan)(lan)》GB／T9112～9124《鋼(gang)(gang)(gang)(gang)(gang)制(zhi)(zhi)管(guan)(guan)法(fa)(fa)(fa)(fa)(fa)蘭(lan)(lan)(lan)(lan)》GB／T13402《大直徑(jing)碳鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)法(fa)(fa)(fa)(fa)(fa)蘭(lan)(lan)(lan)(lan)》HG20592～20635《鋼(gang)(gang)(gang)(gang)(gang)制(zhi)(zhi)管(guan)(guan)法(fa)(fa)(fa)(fa)(fa)蘭(lan)(lan)(lan)(lan)》SH3406《石(shi)油化工鋼(gang)(gang)(gang)(gang)(gang)制(zhi)(zhi)管(guan)(guan)法(fa)(fa)(fa)(fa)(fa)蘭(lan)(lan)(lan)(lan)》JB／T74～90《管(guan)(guan)路(lu)法(fa)(fa)(fa)(fa)(fa)蘭(lan)(lan)(lan)(lan)》JISB2238《鋼(gang)(gang)(gang)(gang)(gang)制(zhi)(zhi)管(guan)(guan)法(fa)(fa)(fa)(fa)(fa)蘭(lan)(lan)(lan)(lan)通則》ASMEB16.25《對(dui)接焊(han)端(duan)》ASMEB16.11《承插(cha)焊(han)和螺紋(wen)連接的鍛造(zao)管(guan)(guan)件(jian)》BS12627《工業閥門(men)鋼(gang)(gang)(gang)(gang)(gang)制(zhi)(zhi)閥門(men)的對(dui)焊(han)端(duan)》BS12760《閥門(men)鋼(gang)(gang)(gang)(gang)(gang)制(zhi)(zhi)閥門(men)的承插(cha)焊(han)端(duan)》

甘肅美標球閥

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