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引進型(xing)600MW機(ji)(ji)組(zu)(zu)及300MW機(ji)(ji)組(zu)(zu)用管件包括火電廠鍛制(zhi)(zhi)、焊制(zhi)(zhi)三通(tong)及熱(re)壓(ya)三通(tong)兩(liang)種(zhong)尺寸。 a.引進型(xing)600MW機(ji)(ji)組(zu)(zu)鍛制(zhi)(zhi)、焊制(zhi)(zhi)三通(tong)結(jie)(jie)構(gou)型(xing)式見圖13-5，尺寸見表13-10；引進型(xing)300MW機(ji)(ji)組(zu)(zu)鍛制(zhi)(zhi)、焊制(zhi)(zhi)三通(tong)結(jie)(jie)構(gou)型(xing)式見圖13-5，尺寸見表13-11； b....
標準型(xing)管(guan)件包(bao)括熱(re)(re)壓(ya)(ya)彎頭(tou)、熱(re)(re)壓(ya)(ya)T形三通、異徑管(guan)、封(feng)頭(tou)4種。 a.熱(re)(re)壓(ya)(ya)彎頭(tou)結構(gou)型(xing)式(shi)見(jian)(jian)圖(tu)(tu)(tu)13-1，尺寸見(jian)(jian)表(biao)13-6。 b.熱(re)(re)壓(ya)(ya)T型(xing)三通結構(gou)型(xing)式(shi)見(jian)(jian)圖(tu)(tu)(tu)13-2，尺寸見(jian)(jian)表(biao)13-7。 c.異徑管(guan)結構(gou)型(xing)式(shi)見(jian)(jian)圖(tu)(tu)(tu)13-3，尺寸見(jian)(jian)表(biao)13-8。 d....
1.電(dian)站(zhan)鋼制對(dui)焊管(guan)(guan)(guan)(guan)件標準型(xing)(xing)接管(guan)(guan)(guan)(guan)尺寸(cun) 標準型(xing)(xing)接管(guan)(guan)(guan)(guan)尺寸(cun)共有(you)兩個系列(lie)(lie)：外徑控制管(guan)(guan)(guan)(guan)系列(lie)(lie)和內徑控制管(guan)(guan)(guan)(guan)系列(lie)(lie)。外徑控制管(guan)(guan)(guan)(guan)系列(lie)(lie)尺寸(cun)見表13-2，內徑控制管(guan)(guan)(guan)(guan)系列(lie)(lie)尺寸(cun)見表13-3。2.引進(jin)型(xing)(xing)300MW和600MW機組常用推薦接管(guan)(guan)(guan)(guan)尺寸(cun)（含尺寸(cun)公(gong)差） 引進(jin)型(xing)(xing)30...
電站(zhan)鋼(gang)(gang)制對焊管(guan)(guan)件包(bao)括(kuo)無(wu)縫對焊及有縫對焊兩種，主要用(yong)于火力發(fa)電廠內所用(yong)的由碳鋼(gang)(gang)、合金鋼(gang)(gang)以(yi)及奧氏(shi)體不銹鋼(gang)(gang)制作的對焊管(guan)(guan)件及核電站(zhan)內非核級(ji)鋼(gang)(gang)制對焊管(guan)(guan)件。核電站(zhan)用(yong)核級(ji)管(guan)(guan)件和帶內襯材料的鋼(gang)(gang)制管(guan)(guan)件不屬于本章所描述的范圍。1.分類(lei) 電站(zhan)不銹鋼(gang)(gang)管(guan)(guan)件主要包(bao)括(kuo)彎頭(tou)、三通、異...
一、不銹鋼(gang)卡壓(ya)式(shi)管(guan)件1.標記 a.標記方(fang)法(fa) 產品標記由產品代號(hao)、規(gui)格（公稱通徑或(huo)公稱通徑×管(guan)螺紋尺(chi)寸）、系列代號(hao)（Ⅰ系列或(huo)Ⅱ系列）、材料代號(hao)和標準編(bian)號(hao)組(zu)成(cheng)。 b.標記示例 公稱通徑為DN20，不銹鋼(gang)...
卡壓式(shi)不銹鋼(gang)管件安裝使用的橡(xiang)(xiang)膠(jiao)(jiao)O形(xing)密封圈(quan)需要檢(jian)測(ce)的項目主要有以下幾點： 1.壓縮永(yong)(yong)久變形(xing)試(shi)驗(yan)按GB/T7759《硫化(hua)橡(xiang)(xiang)膠(jiao)(jiao)、熱塑性橡(xiang)(xiang)膠(jiao)(jiao)常溫、高(gao)溫和低溫下壓縮永(yong)(yong)久變形(xing)測(ce)定(ding)》的規定(ding)進行。 2.硬度(du)試(shi)驗(yan)按GB/T531《橡(xiang)(xiang)膠(jiao)(jiao)袖(xiu)珍硬度(du)計壓入硬度(du)試(shi)驗(yan)方法》的...
浙(zhe)江至德鋼(gang)(gang)業有限公(gong)司(si)生產安裝卡壓(ya)(ya)(ya)式連(lian)接薄(bo)壁不(bu)銹(xiu)鋼(gang)(gang)管(guan)需要(yao)檢測的項目主要(yao)有以下幾項：1.水(shui)壓(ya)(ya)(ya)試(shi)驗(yan)、氣密(mi)試(shi)驗(yan)和渦流探傷(shang)(shang)檢驗(yan) 制造商應根(gen)據不(bu)銹(xiu)鋼(gang)(gang)管(guan)輸送的介質和承受的壓(ya)(ya)(ya)力(li)等工況選擇水(shui)壓(ya)(ya)(ya)試(shi)驗(yan)、氣密(mi)試(shi)驗(yan)或渦流探傷(shang)(shang)檢驗(yan)。 a.不(bu)銹(xiu)鋼(gang)(gang)管(guan)進(jin)行水(shui)壓(ya)(ya)(ya)試(shi)驗(yan)時，其試(shi)驗(yan)壓(ya)(ya)(ya)...
1.水壓(ya)(ya)(ya)試驗(yan) 不銹鋼卡壓(ya)(ya)(ya)式管(guan)件(jian)兩端封堵后(hou)，注(zhu)入自來水至(zhi)2.5MPa試驗(yan)壓(ya)(ya)(ya)力(li)，在試驗(yan)壓(ya)(ya)(ya)力(li)下持(chi)續15s，結果(guo)應符合12.4.2.1a條的要求。2.氣(qi)(qi)(qi)(qi)密試驗(yan) 將不銹鋼卡壓(ya)(ya)(ya)式管(guan)件(jian)裝在氣(qi)(qi)(qi)(qi)密試驗(yan)臺上(shang)，浸沒水中(zhong)，充入純凈的壓(ya)(ya)(ya)縮(suo)空氣(qi)(qi)(qi)(qi)，用于氣(qi)(qi)(qi)(qi)體介質的氣(qi)(qi)(qi)(qi)密試驗(yan)壓(ya)(ya)(ya)力(li)為1....
1.不(bu)銹鋼卡(ka)(ka)壓式(shi)(shi)管(guan)件(jian)(jian)(jian)性能(neng) a.水壓性能(neng) 不(bu)銹鋼卡(ka)(ka)壓式(shi)(shi)管(guan)件(jian)(jian)(jian)應進行水壓性能(neng)試(shi)(shi)驗(yan)，試(shi)(shi)驗(yan)壓力為(wei)2.5MPa，管(guan)件(jian)(jian)(jian)應無滲透和永久變形。 b.氣密(mi)性能(neng) 不(bu)銹鋼卡(ka)(ka)壓式(shi)(shi)管(guan)件(jian)(jian)(jian)用于氣體介質或進行型式(shi)(shi)試(shi)(shi)驗(yan)時應做氣密(mi)性能(neng)試(shi)(shi)驗(yan)。用于...
1.不銹(xiu)鋼(gang)(gang)卡壓式(shi)管(guan)(guan)件材料(liao) 不銹(xiu)鋼(gang)(gang)卡壓式(shi)管(guan)(guan)件常用(yong)的(de)材料(liao)為06Cr19Ni10（304）、0Cr17Ni12Mo2（316）和00Cr17Ni14Mo2（316L），采用(yong)擠壓成型時，材料(liao)應符合(he)GB/T19228.2《不銹(xiu)鋼(gang)(gang)卡壓式(shi)管(guan)(guan)件連接(jie)用(yong)薄壁不銹(xiu)鋼(gang)(gang)管(guan)(guan)》的(de)規(gui)定。采用(yong)鋼(gang)(gang)...
1.不(bu)(bu)銹鋼(gang)卡壓(ya)式管(guan)(guan)件 不(bu)(bu)銹鋼(gang)管(guan)(guan)件承口尺寸公(gong)(gong)差(cha)見表12-27。轉換接頭內(nei)外螺(luo)(luo)紋(wen)(wen)公(gong)(gong)差(cha)應符合GB／T7306.1-2000《55°密(mi)封管(guan)(guan)螺(luo)(luo)紋(wen)(wen)第1部分：圓柱內(nei)螺(luo)(luo)紋(wen)(wen)與圓錐外螺(luo)(luo)紋(wen)(wen)》的規定。2.不(bu)(bu)銹鋼(gang)卡壓(ya)式管(guan)(guan)件連接用薄壁(bi)(bi)不(bu)(bu)銹鋼(gang)管(guan)(guan) 不(bu)(bu)銹鋼(gang)管(guan)(guan)的壁(bi)(bi)厚允許偏差(cha)為公(gong)(gong)稱壁(bi)(bi)厚...
不(bu)銹(xiu)鋼(gang)卡(ka)壓式(shi)管(guan)件(jian)(jian)連接(jie)用薄壁(bi)不(bu)銹(xiu)鋼(gang)管(guan)型(xing)式(shi)與尺(chi)寸(cun) a.Ⅰ系列管(guan)件(jian)(jian)連接(jie)用薄壁(bi)不(bu)銹(xiu)鋼(gang)管(guan)尺(chi)寸(cun)見表12-23。 b.Ⅱ系列管(guan)件(jian)(jian)連接(jie)用薄壁(bi)不(bu)銹(xiu)鋼(gang)管(guan)尺(chi)寸(cun)見表12-24。不(bu)銹(xiu)鋼(gang)卡(ka)壓式(shi)管(guan)件(jian)(jian)用橡(xiang)膠(jiao)(jiao)O形密(mi)封圈(quan) a.Ⅰ系列管(guan)件(jian)(jian)用橡(xiang)膠(jiao)(jiao)O形密(mi)封圈(quan)型(xing)式(shi)見圖(tu)12-12，尺(chi)寸(cun)見...
