大連軟管總成主要用(yong)(yong)于礦井液(ye)壓(ya)(ya)(ya)支架、油(you)田開(kai)采，適(shi)宜于工(gong)(gong)程建(jian)筑、起(qi)重(zhong)運輸、冶金(jin)鍛(duan)壓(ya)(ya)(ya)、礦山(shan)設(she)備、船(chuan)舶、注塑(su)機械(xie)(xie)、農(nong)業(ye)機械(xie)(xie)、各種機床以(yi)及各工(gong)(gong)業(ye)部門機械(xie)(xie)化、自(zi)動(dong)化液(ye)壓(ya)(ya)(ya)系統(tong)中輸送具有(you)一定壓(ya)(ya)(ya)力(li)和溫度的(de)(de)(de)(de)石油(you)基，如礦物(wu)油(you)、可(ke)(ke)溶性油(you)、液(ye)壓(ya)(ya)(ya)油(you)、燃油(you)、潤(run)滑油(you)及水基液(ye)體，如乳化液(ye)、油(you)水乳濁液(ye)、水等和液(ye)體傳動(dong)用(yong)(yong)，最高(gao)耐工(gong)(gong)作壓(ya)(ya)(ya)力(li)可(ke)(ke)達60MPa。軟(ruan)管規定的(de)(de)(de)(de)工(gong)(gong)作壓(ya)(ya)(ya)力(li)通常情況下不(bu)(bu)能(neng)小于最大(da)系統(tong)壓(ya)(ya)(ya)力(li),只有(you)在不(bu)(bu)常使用(yong)(yong)的(de)(de)(de)(de)情況下,才允許提高(gao)20%；對于使用(yong)(yong)頻繁、經常彎扭者要降低40%。系統(tong)的(de)(de)(de)(de)沖擊壓(ya)(ya)(ya)力(li)若(ruo)高(gao)于軟(ruan)管規定的(de)(de)(de)(de)工(gong)(gong)作壓(ya)(ya)(ya)力(li)，不(bu)(bu)僅降低液(ye)壓(ya)(ya)(ya)軟(ruan)管使用(yong)(yong)壽命，且(qie)可(ke)(ke)能(neng)導致人身設(she)備事故(gu)。這種氧(yang)化層極(ji)薄，透過(guo)它可(ke)(ke)以(yi)看(kan)到不(bu)(bu)銹(xiu)鋼表(biao)面的(de)(de)(de)(de)自(zi)然光澤，使不(bu)(bu)銹(xiu)鋼具有(you)獨(du)特(te)的(de)(de)(de)(de)表(biao)面。而且(qie)，如果(guo)損壞了表(biao)層，所暴露出的(de)(de)(de)(de)鋼表(biao)面會(hui)和大(da)氣反應(ying)進行自(zi)我(wo)修(xiu)理，重(zhong)新形成這種"鈍化膜"，繼續起(qi)保護作用(yong)(yong)。