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引進(jin)型(xing)(xing)600MW機組(zu)(zu)及300MW機組(zu)(zu)用管件包括火(huo)電廠鍛(duan)制、焊(han)制三(san)(san)通及熱(re)壓三(san)(san)通兩種尺寸(cun)。 a.引進(jin)型(xing)(xing)600MW機組(zu)(zu)鍛(duan)制、焊(han)制三(san)(san)通結構(gou)型(xing)(xing)式見(jian)(jian)圖13-5，尺寸(cun)見(jian)(jian)表13-10；引進(jin)型(xing)(xing)300MW機組(zu)(zu)鍛(duan)制、焊(han)制三(san)(san)通結構(gou)型(xing)(xing)式見(jian)(jian)圖13-5，尺寸(cun)見(jian)(jian)表13-11； b....
標準型(xing)(xing)管(guan)件包(bao)括熱(re)壓(ya)彎(wan)頭(tou)、熱(re)壓(ya)T形三通、異(yi)徑管(guan)、封頭(tou)4種。 a.熱(re)壓(ya)彎(wan)頭(tou)結構型(xing)(xing)式(shi)(shi)見(jian)(jian)(jian)圖13-1，尺(chi)(chi)寸見(jian)(jian)(jian)表13-6。 b.熱(re)壓(ya)T型(xing)(xing)三通結構型(xing)(xing)式(shi)(shi)見(jian)(jian)(jian)圖13-2，尺(chi)(chi)寸見(jian)(jian)(jian)表13-7。 c.異(yi)徑管(guan)結構型(xing)(xing)式(shi)(shi)見(jian)(jian)(jian)圖13-3，尺(chi)(chi)寸見(jian)(jian)(jian)表13-8。 d....
1.電站鋼制(zhi)對焊管(guan)(guan)(guan)(guan)(guan)件(jian)標(biao)準型(xing)接(jie)(jie)管(guan)(guan)(guan)(guan)(guan)尺寸(cun)(cun) 標(biao)準型(xing)接(jie)(jie)管(guan)(guan)(guan)(guan)(guan)尺寸(cun)(cun)共有兩個系列：外(wai)(wai)徑(jing)(jing)控制(zhi)管(guan)(guan)(guan)(guan)(guan)系列和內(nei)(nei)徑(jing)(jing)控制(zhi)管(guan)(guan)(guan)(guan)(guan)系列。外(wai)(wai)徑(jing)(jing)控制(zhi)管(guan)(guan)(guan)(guan)(guan)系列尺寸(cun)(cun)見表13-2，內(nei)(nei)徑(jing)(jing)控制(zhi)管(guan)(guan)(guan)(guan)(guan)系列尺寸(cun)(cun)見表13-3。2.引進型(xing)300MW和600MW機組常(chang)用推薦接(jie)(jie)管(guan)(guan)(guan)(guan)(guan)尺寸(cun)(cun)（含尺寸(cun)(cun)公(gong)差） 引進型(xing)30...
電(dian)站(zhan)鋼(gang)(gang)(gang)(gang)制(zhi)對(dui)(dui)(dui)焊(han)(han)管(guan)件包括無縫(feng)對(dui)(dui)(dui)焊(han)(han)及有縫(feng)對(dui)(dui)(dui)焊(han)(han)兩種，主要用(yong)于火力發電(dian)廠內所用(yong)的由碳鋼(gang)(gang)(gang)(gang)、合金鋼(gang)(gang)(gang)(gang)以及奧(ao)氏體不(bu)銹(xiu)鋼(gang)(gang)(gang)(gang)制(zhi)作的對(dui)(dui)(dui)焊(han)(han)管(guan)件及核電(dian)站(zhan)內非核級鋼(gang)(gang)(gang)(gang)制(zhi)對(dui)(dui)(dui)焊(han)(han)管(guan)件。核電(dian)站(zhan)用(yong)核級管(guan)件和帶內襯(chen)材料的鋼(gang)(gang)(gang)(gang)制(zhi)管(guan)件不(bu)屬于本章所描述的范圍。1.分類 電(dian)站(zhan)不(bu)銹(xiu)鋼(gang)(gang)(gang)(gang)管(guan)件主要包括彎頭(tou)、三通(tong)、異...
一(yi)、不銹鋼(gang)卡壓式管件1.標(biao)記(ji) a.標(biao)記(ji)方法 產品(pin)標(biao)記(ji)由產品(pin)代號(hao)、規格（公(gong)稱通徑或公(gong)稱通徑×管螺紋(wen)尺寸）、系(xi)列代號(hao)（Ⅰ系(xi)列或Ⅱ系(xi)列）、材料(liao)代號(hao)和標(biao)準編號(hao)組(zu)成。 b.標(biao)記(ji)示例 公(gong)稱通徑為DN20，不銹鋼(gang)...
卡壓式(shi)不銹鋼管(guan)件(jian)安(an)裝使用(yong)的橡(xiang)(xiang)膠O形密封(feng)圈需要(yao)檢測的項目主要(yao)有以下(xia)幾點： 1.壓縮永(yong)(yong)久(jiu)變形試驗按(an)GB/T7759《硫化橡(xiang)(xiang)膠、熱塑性橡(xiang)(xiang)膠常溫(wen)(wen)、高溫(wen)(wen)和(he)低溫(wen)(wen)下(xia)壓縮永(yong)(yong)久(jiu)變形測定》的規定進行(xing)。 2.硬度(du)試驗按(an)GB/T531《橡(xiang)(xiang)膠袖珍硬度(du)計壓入硬度(du)試驗方法》的...
浙江至德鋼(gang)業有限公(gong)司生產安裝卡壓(ya)(ya)式(shi)連(lian)接薄(bo)壁不銹(xiu)鋼(gang)管(guan)需要(yao)檢測的項目(mu)主要(yao)有以(yi)下幾(ji)項：1.水壓(ya)(ya)試(shi)(shi)驗(yan)、氣(qi)密試(shi)(shi)驗(yan)和渦(wo)流(liu)探傷檢驗(yan) 制造商應根據不銹(xiu)鋼(gang)管(guan)輸送的介質和承受(shou)的壓(ya)(ya)力等(deng)工況選擇水壓(ya)(ya)試(shi)(shi)驗(yan)、氣(qi)密試(shi)(shi)驗(yan)或渦(wo)流(liu)探傷檢驗(yan)。 a.不銹(xiu)鋼(gang)管(guan)進(jin)行水壓(ya)(ya)試(shi)(shi)驗(yan)時，其試(shi)(shi)驗(yan)壓(ya)(ya)...
1.水壓(ya)(ya)試驗 不(bu)銹(xiu)鋼卡壓(ya)(ya)式(shi)(shi)管(guan)件(jian)(jian)兩端封堵(du)后，注(zhu)入自來水至2.5MPa試驗壓(ya)(ya)力(li)，在試驗壓(ya)(ya)力(li)下持續15s，結果應符合12.4.2.1a條(tiao)的(de)要求。2.氣(qi)(qi)密試驗 將不(bu)銹(xiu)鋼卡壓(ya)(ya)式(shi)(shi)管(guan)件(jian)(jian)裝在氣(qi)(qi)密試驗臺上，浸(jin)沒水中，充入純凈的(de)壓(ya)(ya)縮空氣(qi)(qi)，用于氣(qi)(qi)體介質的(de)氣(qi)(qi)密試驗壓(ya)(ya)力(li)為1....
1.不銹(xiu)鋼卡壓(ya)(ya)式(shi)管(guan)件(jian)性(xing)能 a.水(shui)(shui)壓(ya)(ya)性(xing)能 不銹(xiu)鋼卡壓(ya)(ya)式(shi)管(guan)件(jian)應(ying)進(jin)行(xing)水(shui)(shui)壓(ya)(ya)性(xing)能試驗(yan)，試驗(yan)壓(ya)(ya)力為2.5MPa，管(guan)件(jian)應(ying)無滲透和永(yong)久變(bian)形。 b.氣密性(xing)能 不銹(xiu)鋼卡壓(ya)(ya)式(shi)管(guan)件(jian)用(yong)(yong)于氣體介質或(huo)進(jin)行(xing)型式(shi)試驗(yan)時應(ying)做氣密性(xing)能試驗(yan)。用(yong)(yong)于...
1.不(bu)(bu)銹(xiu)鋼卡壓式(shi)管件(jian)材料 不(bu)(bu)銹(xiu)鋼卡壓式(shi)管件(jian)常用(yong)的(de)材料為06Cr19Ni10（304）、0Cr17Ni12Mo2（316）和(he)00Cr17Ni14Mo2（316L），采用(yong)擠壓成(cheng)型(xing)時，材料應符合(he)GB/T19228.2《不(bu)(bu)銹(xiu)鋼卡壓式(shi)管件(jian)連接用(yong)薄壁不(bu)(bu)銹(xiu)鋼管》的(de)規定。采用(yong)鋼...
1.不銹鋼卡壓(ya)式(shi)管(guan)件 不銹鋼管(guan)件承口尺寸公(gong)差見表12-27。轉換(huan)接(jie)頭內外(wai)螺紋公(gong)差應符合(he)GB／T7306.1-2000《55°密(mi)封(feng)管(guan)螺紋第1部(bu)分：圓柱(zhu)內螺紋與圓錐外(wai)螺紋》的(de)規定。2.不銹鋼卡壓(ya)式(shi)管(guan)件連接(jie)用薄壁(bi)不銹鋼管(guan) 不銹鋼管(guan)的(de)壁(bi)厚允許偏差為公(gong)稱壁(bi)厚...
不(bu)銹(xiu)鋼(gang)卡(ka)壓式(shi)管(guan)件(jian)(jian)連(lian)接用(yong)薄壁不(bu)銹(xiu)鋼(gang)管(guan)型(xing)式(shi)與尺(chi)(chi)寸(cun) a.Ⅰ系列管(guan)件(jian)(jian)連(lian)接用(yong)薄壁不(bu)銹(xiu)鋼(gang)管(guan)尺(chi)(chi)寸(cun)見(jian)(jian)表12-23。 b.Ⅱ系列管(guan)件(jian)(jian)連(lian)接用(yong)薄壁不(bu)銹(xiu)鋼(gang)管(guan)尺(chi)(chi)寸(cun)見(jian)(jian)表12-24。不(bu)銹(xiu)鋼(gang)卡(ka)壓式(shi)管(guan)件(jian)(jian)用(yong)橡膠(jiao)(jiao)O形密(mi)封(feng)圈 a.Ⅰ系列管(guan)件(jian)(jian)用(yong)橡膠(jiao)(jiao)O形密(mi)封(feng)圈型(xing)式(shi)見(jian)(jian)圖12-12，尺(chi)(chi)寸(cun)見(jian)(jian)...
