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引進型(xing)(xing)600MW機(ji)組(zu)及(ji)300MW機(ji)組(zu)用(yong)管件包括(kuo)火電(dian)廠鍛(duan)制、焊制三(san)(san)通(tong)及(ji)熱(re)壓(ya)三(san)(san)通(tong)兩種尺(chi)(chi)寸。 a.引進型(xing)(xing)600MW機(ji)組(zu)鍛(duan)制、焊制三(san)(san)通(tong)結(jie)構型(xing)(xing)式見(jian)圖13-5，尺(chi)(chi)寸見(jian)表(biao)13-10；引進型(xing)(xing)300MW機(ji)組(zu)鍛(duan)制、焊制三(san)(san)通(tong)結(jie)構型(xing)(xing)式見(jian)圖13-5，尺(chi)(chi)寸見(jian)表(biao)13-11； b....
標準(zhun)型管件包括熱(re)(re)壓彎(wan)頭、熱(re)(re)壓T形(xing)三通、異徑管、封(feng)頭4種(zhong)。 a.熱(re)(re)壓彎(wan)頭結(jie)構(gou)型式見圖(tu)13-1，尺寸(cun)見表13-6。 b.熱(re)(re)壓T型三通結(jie)構(gou)型式見圖(tu)13-2，尺寸(cun)見表13-7。 c.異徑管結(jie)構(gou)型式見圖(tu)13-3，尺寸(cun)見表13-8。 d....
1.電站(zhan)鋼制(zhi)(zhi)對(dui)焊管(guan)件標準(zhun)型接管(guan)尺寸 標準(zhun)型接管(guan)尺寸共(gong)有(you)兩個系(xi)列(lie)：外徑(jing)控(kong)(kong)制(zhi)(zhi)管(guan)系(xi)列(lie)和內徑(jing)控(kong)(kong)制(zhi)(zhi)管(guan)系(xi)列(lie)。外徑(jing)控(kong)(kong)制(zhi)(zhi)管(guan)系(xi)列(lie)尺寸見(jian)表13-2，內徑(jing)控(kong)(kong)制(zhi)(zhi)管(guan)系(xi)列(lie)尺寸見(jian)表13-3。2.引進型300MW和600MW機組(zu)常用(yong)推薦接管(guan)尺寸（含尺寸公差(cha)） 引進型30...
電站(zhan)鋼制對焊(han)(han)(han)管(guan)(guan)件(jian)包括無縫對焊(han)(han)(han)及有縫對焊(han)(han)(han)兩種，主(zhu)要用(yong)于火(huo)力發(fa)電廠內(nei)(nei)所用(yong)的(de)由碳鋼、合金鋼以(yi)及奧氏體(ti)不銹(xiu)(xiu)鋼制作的(de)對焊(han)(han)(han)管(guan)(guan)件(jian)及核電站(zhan)內(nei)(nei)非(fei)核級鋼制對焊(han)(han)(han)管(guan)(guan)件(jian)。核電站(zhan)用(yong)核級管(guan)(guan)件(jian)和帶內(nei)(nei)襯(chen)材料的(de)鋼制管(guan)(guan)件(jian)不屬于本(ben)章所描(miao)述的(de)范(fan)圍。1.分類 電站(zhan)不銹(xiu)(xiu)鋼管(guan)(guan)件(jian)主(zhu)要包括彎頭、三(san)通、異...
一(yi)、不(bu)銹(xiu)(xiu)鋼(gang)卡(ka)壓式(shi)管件1.標(biao)(biao)(biao)記(ji)(ji) a.標(biao)(biao)(biao)記(ji)(ji)方法 產(chan)品(pin)標(biao)(biao)(biao)記(ji)(ji)由產(chan)品(pin)代號(hao)、規格（公稱通(tong)徑(jing)或公稱通(tong)徑(jing)×管螺紋尺(chi)寸）、系(xi)(xi)列(lie)代號(hao)（Ⅰ系(xi)(xi)列(lie)或Ⅱ系(xi)(xi)列(lie)）、材料代號(hao)和標(biao)(biao)(biao)準編(bian)號(hao)組成。 b.標(biao)(biao)(biao)記(ji)(ji)示例 公稱通(tong)徑(jing)為DN20，不(bu)銹(xiu)(xiu)鋼(gang)...
卡壓(ya)式不銹鋼管(guan)件安裝使用的橡(xiang)(xiang)膠O形(xing)密封圈(quan)需(xu)要(yao)檢測(ce)的項目主要(yao)有(you)以下幾點(dian)： 1.壓(ya)縮永久變(bian)(bian)形(xing)試(shi)驗(yan)按GB/T7759《硫化橡(xiang)(xiang)膠、熱塑(su)性橡(xiang)(xiang)膠常溫、高(gao)溫和低溫下壓(ya)縮永久變(bian)(bian)形(xing)測(ce)定》的規(gui)定進行。 2.硬度(du)試(shi)驗(yan)按GB/T531《橡(xiang)(xiang)膠袖珍硬度(du)計(ji)壓(ya)入(ru)硬度(du)試(shi)驗(yan)方法》的...
浙江至(zhi)德鋼(gang)(gang)業有(you)限(xian)公司生產安裝(zhuang)卡壓(ya)式連接(jie)薄壁不銹鋼(gang)(gang)管(guan)需(xu)要(yao)(yao)檢(jian)測的項(xiang)目主要(yao)(yao)有(you)以下幾項(xiang)：1.水(shui)壓(ya)試(shi)(shi)驗(yan)(yan)、氣密試(shi)(shi)驗(yan)(yan)和(he)(he)渦流探傷檢(jian)驗(yan)(yan) 制造商應(ying)根(gen)據不銹鋼(gang)(gang)管(guan)輸送的介質和(he)(he)承(cheng)受的壓(ya)力等工況選擇(ze)水(shui)壓(ya)試(shi)(shi)驗(yan)(yan)、氣密試(shi)(shi)驗(yan)(yan)或(huo)渦流探傷檢(jian)驗(yan)(yan)。 a.不銹鋼(gang)(gang)管(guan)進(jin)行水(shui)壓(ya)試(shi)(shi)驗(yan)(yan)時，其試(shi)(shi)驗(yan)(yan)壓(ya)...
1.水(shui)壓試(shi)驗 不銹鋼卡壓式管(guan)件兩端封堵后，注入(ru)自(zi)來水(shui)至2.5MPa試(shi)驗壓力(li)，在(zai)試(shi)驗壓力(li)下持續15s，結(jie)果應符合12.4.2.1a條的(de)要求。2.氣(qi)密(mi)(mi)試(shi)驗 將(jiang)不銹鋼卡壓式管(guan)件裝(zhuang)在(zai)氣(qi)密(mi)(mi)試(shi)驗臺上，浸(jin)沒水(shui)中，充(chong)入(ru)純(chun)凈的(de)壓縮空(kong)氣(qi)，用于氣(qi)體介(jie)質的(de)氣(qi)密(mi)(mi)試(shi)驗壓力(li)為1....
1.不(bu)銹鋼卡(ka)壓(ya)式(shi)管件(jian)(jian)(jian)性能(neng) a.水壓(ya)性能(neng) 不(bu)銹鋼卡(ka)壓(ya)式(shi)管件(jian)(jian)(jian)應(ying)(ying)進(jin)(jin)行(xing)水壓(ya)性能(neng)試(shi)驗(yan)，試(shi)驗(yan)壓(ya)力(li)為2.5MPa，管件(jian)(jian)(jian)應(ying)(ying)無滲(shen)透(tou)和永久變(bian)形。 b.氣密性能(neng) 不(bu)銹鋼卡(ka)壓(ya)式(shi)管件(jian)(jian)(jian)用于氣體介(jie)質(zhi)或進(jin)(jin)行(xing)型(xing)式(shi)試(shi)驗(yan)時應(ying)(ying)做(zuo)氣密性能(neng)試(shi)驗(yan)。用于...
1.不銹(xiu)鋼(gang)卡壓式管件材(cai)(cai)料(liao) 不銹(xiu)鋼(gang)卡壓式管件常(chang)用(yong)(yong)的材(cai)(cai)料(liao)為06Cr19Ni10（304）、0Cr17Ni12Mo2（316）和(he)00Cr17Ni14Mo2（316L），采用(yong)(yong)擠壓成型(xing)時(shi)，材(cai)(cai)料(liao)應符合GB/T19228.2《不銹(xiu)鋼(gang)卡壓式管件連接用(yong)(yong)薄(bo)壁(bi)不銹(xiu)鋼(gang)管》的規定(ding)。采用(yong)(yong)鋼(gang)...
1.不(bu)(bu)銹鋼卡壓(ya)式(shi)管(guan)(guan)件(jian)(jian) 不(bu)(bu)銹鋼管(guan)(guan)件(jian)(jian)承口(kou)尺寸公(gong)(gong)差見表12-27。轉換接頭內外(wai)螺(luo)紋公(gong)(gong)差應符合(he)GB／T7306.1-2000《55°密封管(guan)(guan)螺(luo)紋第1部(bu)分：圓柱內螺(luo)紋與圓錐(zhui)外(wai)螺(luo)紋》的規定(ding)。2.不(bu)(bu)銹鋼卡壓(ya)式(shi)管(guan)(guan)件(jian)(jian)連接用薄壁(bi)(bi)不(bu)(bu)銹鋼管(guan)(guan) 不(bu)(bu)銹鋼管(guan)(guan)的壁(bi)(bi)厚允許(xu)偏差為公(gong)(gong)稱壁(bi)(bi)厚...
不(bu)(bu)銹(xiu)鋼(gang)(gang)卡壓(ya)式管(guan)(guan)件(jian)連接(jie)用(yong)(yong)薄(bo)壁不(bu)(bu)銹(xiu)鋼(gang)(gang)管(guan)(guan)型(xing)式與(yu)尺(chi)寸(cun) a.Ⅰ系(xi)(xi)列管(guan)(guan)件(jian)連接(jie)用(yong)(yong)薄(bo)壁不(bu)(bu)銹(xiu)鋼(gang)(gang)管(guan)(guan)尺(chi)寸(cun)見(jian)表12-23。 b.Ⅱ系(xi)(xi)列管(guan)(guan)件(jian)連接(jie)用(yong)(yong)薄(bo)壁不(bu)(bu)銹(xiu)鋼(gang)(gang)管(guan)(guan)尺(chi)寸(cun)見(jian)表12-24。不(bu)(bu)銹(xiu)鋼(gang)(gang)卡壓(ya)式管(guan)(guan)件(jian)用(yong)(yong)橡膠O形密(mi)封圈(quan) a.Ⅰ系(xi)(xi)列管(guan)(guan)件(jian)用(yong)(yong)橡膠O形密(mi)封圈(quan)型(xing)式見(jian)圖(tu)12-12，尺(chi)寸(cun)見(jian)...
