NEWS
引進型(xing)600MW機(ji)組及300MW機(ji)組用(yong)管(guan)件包括火電(dian)廠鍛(duan)制(zhi)、焊制(zhi)三(san)通(tong)及熱壓三(san)通(tong)兩種尺(chi)寸(cun)(cun)。 a.引進型(xing)600MW機(ji)組鍛(duan)制(zhi)、焊制(zhi)三(san)通(tong)結(jie)構(gou)型(xing)式(shi)見圖(tu)13-5，尺(chi)寸(cun)(cun)見表13-10；引進型(xing)300MW機(ji)組鍛(duan)制(zhi)、焊制(zhi)三(san)通(tong)結(jie)構(gou)型(xing)式(shi)見圖(tu)13-5，尺(chi)寸(cun)(cun)見表13-11； b....
標準型(xing)(xing)管(guan)件包括熱(re)壓(ya)彎頭(tou)、熱(re)壓(ya)T形(xing)三(san)通、異(yi)徑(jing)管(guan)、封頭(tou)4種。 a.熱(re)壓(ya)彎頭(tou)結構型(xing)(xing)式(shi)見圖(tu)13-1，尺寸(cun)見表(biao)(biao)13-6。 b.熱(re)壓(ya)T型(xing)(xing)三(san)通結構型(xing)(xing)式(shi)見圖(tu)13-2，尺寸(cun)見表(biao)(biao)13-7。 c.異(yi)徑(jing)管(guan)結構型(xing)(xing)式(shi)見圖(tu)13-3，尺寸(cun)見表(biao)(biao)13-8。 d....
1.電(dian)站鋼制對(dui)焊(han)管(guan)件標準型接(jie)管(guan)尺(chi)寸(cun)(cun) 標準型接(jie)管(guan)尺(chi)寸(cun)(cun)共有兩個系(xi)(xi)列(lie)(lie)：外徑(jing)控(kong)制管(guan)系(xi)(xi)列(lie)(lie)和內徑(jing)控(kong)制管(guan)系(xi)(xi)列(lie)(lie)。外徑(jing)控(kong)制管(guan)系(xi)(xi)列(lie)(lie)尺(chi)寸(cun)(cun)見(jian)(jian)表13-2，內徑(jing)控(kong)制管(guan)系(xi)(xi)列(lie)(lie)尺(chi)寸(cun)(cun)見(jian)(jian)表13-3。2.引(yin)(yin)進型300MW和600MW機組(zu)常用推薦(jian)接(jie)管(guan)尺(chi)寸(cun)(cun)（含(han)尺(chi)寸(cun)(cun)公差） 引(yin)(yin)進型30...
電(dian)站(zhan)鋼(gang)制(zhi)對(dui)(dui)焊(han)(han)管(guan)件(jian)(jian)(jian)(jian)包括無縫對(dui)(dui)焊(han)(han)及(ji)有縫對(dui)(dui)焊(han)(han)兩(liang)種，主要用(yong)于(yu)火力(li)發(fa)電(dian)廠內(nei)所(suo)用(yong)的由(you)碳(tan)鋼(gang)、合金鋼(gang)以(yi)及(ji)奧氏體不銹鋼(gang)制(zhi)作的對(dui)(dui)焊(han)(han)管(guan)件(jian)(jian)(jian)(jian)及(ji)核(he)(he)電(dian)站(zhan)內(nei)非核(he)(he)級(ji)鋼(gang)制(zhi)對(dui)(dui)焊(han)(han)管(guan)件(jian)(jian)(jian)(jian)。核(he)(he)電(dian)站(zhan)用(yong)核(he)(he)級(ji)管(guan)件(jian)(jian)(jian)(jian)和帶內(nei)襯材(cai)料的鋼(gang)制(zhi)管(guan)件(jian)(jian)(jian)(jian)不屬于(yu)本章所(suo)描述的范圍。1.分類 電(dian)站(zhan)不銹鋼(gang)管(guan)件(jian)(jian)(jian)(jian)主要包括彎頭、三通、異(yi)...
一、不銹(xiu)鋼卡壓式管(guan)件(jian)1.標記 a.標記方法(fa) 產品標記由產品代號(hao)、規格（公(gong)稱通(tong)徑(jing)或(huo)(huo)公(gong)稱通(tong)徑(jing)×管(guan)螺紋尺寸）、系(xi)列(lie)代號(hao)（Ⅰ系(xi)列(lie)或(huo)(huo)Ⅱ系(xi)列(lie)）、材料代號(hao)和標準編號(hao)組成。 b.標記示(shi)例 公(gong)稱通(tong)徑(jing)為DN20，不銹(xiu)鋼...
卡壓式不銹鋼管件安(an)裝(zhuang)使(shi)用的(de)(de)橡(xiang)膠(jiao)(jiao)(jiao)O形密(mi)封圈需要(yao)(yao)檢測(ce)的(de)(de)項目(mu)主要(yao)(yao)有以(yi)下幾點(dian)： 1.壓縮永(yong)久變(bian)(bian)形試(shi)(shi)驗(yan)(yan)按GB/T7759《硫(liu)化(hua)橡(xiang)膠(jiao)(jiao)(jiao)、熱塑性(xing)橡(xiang)膠(jiao)(jiao)(jiao)常(chang)溫、高溫和低(di)溫下壓縮永(yong)久變(bian)(bian)形測(ce)定(ding)》的(de)(de)規定(ding)進(jin)行(xing)。 2.硬(ying)度(du)試(shi)(shi)驗(yan)(yan)按GB/T531《橡(xiang)膠(jiao)(jiao)(jiao)袖(xiu)珍硬(ying)度(du)計壓入硬(ying)度(du)試(shi)(shi)驗(yan)(yan)方法》的(de)(de)...
浙江至德(de)鋼(gang)業有限公司生(sheng)產(chan)安裝卡壓式連接薄壁不銹鋼(gang)管需要檢測的項目(mu)主要有以(yi)下幾項：1.水壓試驗(yan)、氣密試驗(yan)和渦(wo)流探(tan)傷檢驗(yan) 制造商應根據不銹鋼(gang)管輸送的介質和承受的壓力(li)等工況選擇水壓試驗(yan)、氣密試驗(yan)或渦(wo)流探(tan)傷檢驗(yan)。 a.不銹鋼(gang)管進行(xing)水壓試驗(yan)時，其試驗(yan)壓...
1.水(shui)壓(ya)(ya)(ya)試(shi)(shi)驗 不銹(xiu)鋼(gang)卡壓(ya)(ya)(ya)式管件兩端封堵后，注(zhu)入(ru)自來水(shui)至2.5MPa試(shi)(shi)驗壓(ya)(ya)(ya)力，在試(shi)(shi)驗壓(ya)(ya)(ya)力下持續15s，結果應符合(he)12.4.2.1a條(tiao)的要求。2.氣密試(shi)(shi)驗 將(jiang)不銹(xiu)鋼(gang)卡壓(ya)(ya)(ya)式管件裝在氣密試(shi)(shi)驗臺上，浸沒水(shui)中，充入(ru)純(chun)凈的壓(ya)(ya)(ya)縮空氣，用于氣體介質(zhi)的氣密試(shi)(shi)驗壓(ya)(ya)(ya)力為1....
1.不(bu)銹鋼(gang)(gang)卡壓(ya)(ya)式管(guan)(guan)件性(xing)(xing)能(neng)(neng) a.水(shui)壓(ya)(ya)性(xing)(xing)能(neng)(neng) 不(bu)銹鋼(gang)(gang)卡壓(ya)(ya)式管(guan)(guan)件應進行水(shui)壓(ya)(ya)性(xing)(xing)能(neng)(neng)試(shi)驗(yan)(yan)，試(shi)驗(yan)(yan)壓(ya)(ya)力為2.5MPa，管(guan)(guan)件應無滲透(tou)和永久變形(xing)。 b.氣密(mi)性(xing)(xing)能(neng)(neng) 不(bu)銹鋼(gang)(gang)卡壓(ya)(ya)式管(guan)(guan)件用(yong)于(yu)(yu)氣體介質或進行型式試(shi)驗(yan)(yan)時應做氣密(mi)性(xing)(xing)能(neng)(neng)試(shi)驗(yan)(yan)。用(yong)于(yu)(yu)...
1.不銹鋼卡壓(ya)式(shi)管件材料 不銹鋼卡壓(ya)式(shi)管件常用(yong)的材料為(wei)06Cr19Ni10（304）、0Cr17Ni12Mo2（316）和(he)00Cr17Ni14Mo2（316L），采用(yong)擠壓(ya)成型(xing)時，材料應符合(he)GB/T19228.2《不銹鋼卡壓(ya)式(shi)管件連接用(yong)薄壁不銹鋼管》的規定(ding)。采用(yong)鋼...
1.不(bu)銹(xiu)(xiu)(xiu)鋼卡(ka)壓(ya)式管件 不(bu)銹(xiu)(xiu)(xiu)鋼管件承口(kou)尺寸公(gong)(gong)差(cha)見表12-27。轉換接頭(tou)內外(wai)螺(luo)紋(wen)(wen)公(gong)(gong)差(cha)應符(fu)合GB／T7306.1-2000《55°密封管螺(luo)紋(wen)(wen)第1部分(fen)：圓柱內螺(luo)紋(wen)(wen)與圓錐外(wai)螺(luo)紋(wen)(wen)》的(de)規定。2.不(bu)銹(xiu)(xiu)(xiu)鋼卡(ka)壓(ya)式管件連接用薄壁(bi)不(bu)銹(xiu)(xiu)(xiu)鋼管 不(bu)銹(xiu)(xiu)(xiu)鋼管的(de)壁(bi)厚允許偏差(cha)為(wei)公(gong)(gong)稱(cheng)壁(bi)厚...
不銹(xiu)(xiu)(xiu)鋼卡壓式(shi)管件(jian)連(lian)接用(yong)(yong)薄(bo)壁(bi)不銹(xiu)(xiu)(xiu)鋼管型(xing)式(shi)與(yu)尺(chi)寸(cun) a.Ⅰ系列(lie)(lie)管件(jian)連(lian)接用(yong)(yong)薄(bo)壁(bi)不銹(xiu)(xiu)(xiu)鋼管尺(chi)寸(cun)見表12-23。 b.Ⅱ系列(lie)(lie)管件(jian)連(lian)接用(yong)(yong)薄(bo)壁(bi)不銹(xiu)(xiu)(xiu)鋼管尺(chi)寸(cun)見表12-24。不銹(xiu)(xiu)(xiu)鋼卡壓式(shi)管件(jian)用(yong)(yong)橡(xiang)膠(jiao)O形密封圈 a.Ⅰ系列(lie)(lie)管件(jian)用(yong)(yong)橡(xiang)膠(jiao)O形密封圈型(xing)式(shi)見圖(tu)12-12，尺(chi)寸(cun)見...
