大連軟管總成主要(yao)用(yong)(yong)(yong)于(yu)(yu)礦(kuang)井液(ye)(ye)壓(ya)(ya)(ya)支架、油(you)(you)(you)田開(kai)采，適宜(yi)于(yu)(yu)工(gong)(gong)程建筑(zhu)、起重(zhong)運輸、冶金鍛壓(ya)(ya)(ya)、礦(kuang)山(shan)設(she)備(bei)、船(chuan)舶、注塑機(ji)械、農業機(ji)械、各種機(ji)床以及各工(gong)(gong)業部門(men)機(ji)械化(hua)、自動(dong)化(hua)液(ye)(ye)壓(ya)(ya)(ya)系統中輸送(song)具有一(yi)定壓(ya)(ya)(ya)力(li)和溫度的(de)(de)(de)石(shi)油(you)(you)(you)基，如礦(kuang)物油(you)(you)(you)、可溶性油(you)(you)(you)、液(ye)(ye)壓(ya)(ya)(ya)油(you)(you)(you)、燃油(you)(you)(you)、潤滑油(you)(you)(you)及水基液(ye)(ye)體，如乳(ru)(ru)化(hua)液(ye)(ye)、油(you)(you)(you)水乳(ru)(ru)濁(zhuo)液(ye)(ye)、水等和液(ye)(ye)體傳動(dong)用(yong)(yong)(yong)，最(zui)高(gao)耐工(gong)(gong)作(zuo)壓(ya)(ya)(ya)力(li)可達60MPa。軟(ruan)管(guan)規定的(de)(de)(de)工(gong)(gong)作(zuo)壓(ya)(ya)(ya)力(li)通(tong)常(chang)情(qing)況下(xia)(xia)不(bu)能(neng)小于(yu)(yu)最(zui)大系統壓(ya)(ya)(ya)力(li),只有在(zai)不(bu)常(chang)使(shi)(shi)用(yong)(yong)(yong)的(de)(de)(de)情(qing)況下(xia)(xia),才允許提高(gao)20%；對于(yu)(yu)使(shi)(shi)用(yong)(yong)(yong)頻繁、經常(chang)彎(wan)扭者要(yao)降低40%。系統的(de)(de)(de)沖擊壓(ya)(ya)(ya)力(li)若(ruo)高(gao)于(yu)(yu)軟(ruan)管(guan)規定的(de)(de)(de)工(gong)(gong)作(zuo)壓(ya)(ya)(ya)力(li)，不(bu)僅降低液(ye)(ye)壓(ya)(ya)(ya)軟(ruan)管(guan)使(shi)(shi)用(yong)(yong)(yong)壽命(ming)，且可能(neng)導致(zhi)人身設(she)備(bei)事故。這種氧化(hua)層極薄，透過它可以看到不(bu)銹鋼(gang)表(biao)(biao)面(mian)的(de)(de)(de)自然光澤，使(shi)(shi)不(bu)銹鋼(gang)具有獨特(te)的(de)(de)(de)表(biao)(biao)面(mian)。而且，如果(guo)損壞了(le)表(biao)(biao)層，所暴露出的(de)(de)(de)鋼(gang)表(biao)(biao)面(mian)會和大氣反應進行自我修理，重(zhong)新形(xing)成這種"鈍(dun)化(hua)膜(mo)"，繼續起保護(hu)作(zuo)用(yong)(yong)(yong)。