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三通
三通

三通(tong)為管(guan)(guan)件、管(guan)(guan)道連接(jie)件。又叫管(guan)(guan)件三通(tong)或者三通(tong)管(guan)(guan)件,三通(tong)接(jie)頭,用(yong)在主(zhu)管(guan)(guan)道要(yao)分支(zhi)管(guan)(guan)處(chu)。
三通是具(ju)有三個口(kou)子,即(ji)一個進口(kou),兩個出(chu)口(kou);或兩個進口(kou),一個出(chu)口(kou)的(de)一種化工管件(jian),有T形與Y形,有等徑管口(kou),也有異徑管口(kou),用于三條(tiao)相同或不(bu)同管路(lu)匯集(ji)處。三通的(de)主要作用是改變流體方向(xiang)的(de)。
不銹(xiu)鋼三通(tong)是(shi)用(yong)(yong)于(yu)管(guan)(guan)(guan)(guan)道分支處的(de)一種管(guan)(guan)(guan)(guan)件。對于(yu)采(cai)用(yong)(yong)無縫管(guan)(guan)(guan)(guan)制造(zao)三通(tong)來講,目前通(tong)常所采(cai)用(yong)(yong)的(de)工藝有(you)液(ye)壓(ya)脹(zhang)(zhang)形(xing)和(he)熱壓(ya)成形(xing)兩種。不銹(xiu)鋼三通(tong)的(de)液(ye)壓(ya)脹(zhang)(zhang)形(xing)是(shi)通(tong)過(guo)金屬材(cai)料(liao)的(de)軸向(xiang)補償脹(zhang)(zhang)出(chu)支管(guan)(guan)(guan)(guan)的(de)一種成形(xing)工藝。其(qi)過(guo)程(cheng)是(shi)采(cai)用(yong)(yong)專用(yong)(yong)液(ye)壓(ya)機,將與三通(tong)直徑相等的(de)管(guan)(guan)(guan)(guan)坯內注(zhu)入液(ye)體(ti),通(tong)過(guo)液(ye)壓(ya)機的(de)兩個水平側缸同步對中運動擠壓(ya)管(guan)(guan)(guan)(guan)坯,管(guan)(guan)(guan)(guan)坯受(shou)擠壓(ya)后(hou)體(ti)積(ji)變小,管(guan)(guan)(guan)(guan)坯內的(de)液(ye)體(ti)隨管(guan)(guan)(guan)(guan)坯體(ti)積(ji)變小而壓(ya)力(li)升高(gao),當達(da)到不銹(xiu)鋼三通(tong)支管(guan)(guan)(guan)(guan)脹(zhang)(zhang)出(chu)所需要(yao)的(de)壓(ya)力(li)時,金屬材(cai)料(liao)在側缸和(he)管(guan)(guan)(guan)(guan)坯內液(ye)體(ti)壓(ya)力(li)的(de)雙重作用(yong)(yong)下沿模具內腔(qiang)流(liu)動而脹(zhang)(zhang)出(chu)支管(guan)(guan)(guan)(guan)
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