大連軟管總成主要用(yong)(yong)(yong)于礦井(jing)液(ye)壓(ya)(ya)(ya)(ya)支架(jia)、油(you)田開采，適宜(yi)于工程建筑(zhu)、起(qi)(qi)重(zhong)運輸、冶金鍛壓(ya)(ya)(ya)(ya)、礦山(shan)設(she)備、船舶、注(zhu)塑機械(xie)、農業機械(xie)、各種機床(chuang)以(yi)及各工業部門機械(xie)化(hua)(hua)、自(zi)動(dong)化(hua)(hua)液(ye)壓(ya)(ya)(ya)(ya)系統中輸送(song)具(ju)有一定壓(ya)(ya)(ya)(ya)力(li)(li)和(he)溫度(du)的石(shi)油(you)基，如礦物油(you)、可(ke)溶(rong)性油(you)、液(ye)壓(ya)(ya)(ya)(ya)油(you)、燃油(you)、潤滑油(you)及水(shui)(shui)基液(ye)體，如乳(ru)化(hua)(hua)液(ye)、油(you)水(shui)(shui)乳(ru)濁液(ye)、水(shui)(shui)等和(he)液(ye)體傳(chuan)動(dong)用(yong)(yong)(yong)，最高(gao)耐工作壓(ya)(ya)(ya)(ya)力(li)(li)可(ke)達60MPa。軟(ruan)管規(gui)定的工作壓(ya)(ya)(ya)(ya)力(li)(li)通常(chang)情(qing)(qing)況下(xia)不(bu)能小于最大系統壓(ya)(ya)(ya)(ya)力(li)(li),只有在不(bu)常(chang)使(shi)用(yong)(yong)(yong)的情(qing)(qing)況下(xia),才允(yun)許提高(gao)20%；對(dui)于使(shi)用(yong)(yong)(yong)頻(pin)繁、經常(chang)彎扭(niu)者要降低40%。系統的沖擊(ji)壓(ya)(ya)(ya)(ya)力(li)(li)若高(gao)于軟(ruan)管規(gui)定的工作壓(ya)(ya)(ya)(ya)力(li)(li)，不(bu)僅降低液(ye)壓(ya)(ya)(ya)(ya)軟(ruan)管使(shi)用(yong)(yong)(yong)壽(shou)命，且可(ke)能導(dao)致人身(shen)設(she)備事故。這(zhe)種氧化(hua)(hua)層極薄(bo)，透過它可(ke)以(yi)看到不(bu)銹(xiu)鋼(gang)表(biao)面(mian)的自(zi)然光(guang)澤(ze)，使(shi)不(bu)銹(xiu)鋼(gang)具(ju)有獨特的表(biao)面(mian)。而且，如果(guo)損壞(huai)了(le)表(biao)層，所(suo)暴(bao)露出的鋼(gang)表(biao)面(mian)會和(he)大氣反應(ying)進行(xing)自(zi)我(wo)修(xiu)理，重(zhong)新形成這(zhe)種"鈍化(hua)(hua)膜"，繼續起(qi)(qi)保護作用(yong)(yong)(yong)。