①. 相對于支管連接件而言,不銹鋼異徑管(guan)的選擇就沒有那么復雜了。同樣根據等強度的原則,不銹鋼異徑管應采用與所連接的管子相同的管子表號。


  ②. 是(shi)選擇同心(xin)異徑管(guan)(guan)(guan)(guan)還是(shi)選擇偏心(xin)異徑管(guan)(guan)(guan)(guan),應根據工藝流程圖要(yao)(yao)求(qiu)或(huo)者配管(guan)(guan)(guan)(guan)布置的(de)(de)要(yao)(yao)求(qiu)而(er)定。例如(ru),管(guan)(guan)(guan)(guan)廊(lang)上(shang)水平放(fang)置的(de)(de)異徑管(guan)(guan)(guan)(guan)通常為底(di)平的(de)(de)偏心(xin)異徑管(guan)(guan)(guan)(guan),泵的(de)(de)入(ru)口管(guan)(guan)(guan)(guan)道通常選擇偏心(xin)異徑管(guan)(guan)(guan)(guan)。是(shi)頂平還是(shi)底(di)平需要(yao)(yao)依具(ju)體情況而(er)定。


  ③. 通常,對(dui)于DN≥50mm的管(guan)(guan)道(dao)上(shang)的不銹(xiu)鋼異徑管(guan)(guan),多采用(yong)(yong)對(dui)焊異徑管(guan)(guan),而對(dui)于DN≤40mm的管(guan)(guan)道(dao),則(ze)采用(yong)(yong)承插(cha)焊異徑管(guan)(guan)箍,但(dan)對(dui)于鍍鋅(xin)管(guan)(guan)道(dao)上(shang)的異徑管(guan)(guan)則(ze)要采用(yong)(yong)螺紋(wen)連接形(xing)式(shi)。