大連軟管總成主要用(yong)(yong)于(yu)礦井液壓(ya)(ya)(ya)(ya)支架、油(you)(you)(you)田開采，適宜于(yu)工(gong)(gong)程(cheng)建筑、起(qi)重運輸、冶金鍛壓(ya)(ya)(ya)(ya)、礦山設備(bei)、船舶(bo)、注(zhu)塑機(ji)械、農(nong)業機(ji)械、各(ge)種(zhong)(zhong)機(ji)床以(yi)及(ji)各(ge)工(gong)(gong)業部(bu)門機(ji)械化(hua)(hua)、自(zi)(zi)動(dong)化(hua)(hua)液壓(ya)(ya)(ya)(ya)系統中輸送具(ju)(ju)有一(yi)定壓(ya)(ya)(ya)(ya)力(li)(li)(li)和溫度(du)的(de)(de)石油(you)(you)(you)基(ji)，如礦物油(you)(you)(you)、可溶性油(you)(you)(you)、液壓(ya)(ya)(ya)(ya)油(you)(you)(you)、燃油(you)(you)(you)、潤滑油(you)(you)(you)及(ji)水基(ji)液體，如乳化(hua)(hua)液、油(you)(you)(you)水乳濁液、水等和液體傳動(dong)用(yong)(yong)，最高耐工(gong)(gong)作壓(ya)(ya)(ya)(ya)力(li)(li)(li)可達(da)60MPa。軟(ruan)(ruan)管規(gui)定的(de)(de)工(gong)(gong)作壓(ya)(ya)(ya)(ya)力(li)(li)(li)通常情(qing)況(kuang)下不(bu)(bu)(bu)能(neng)小于(yu)最大系統壓(ya)(ya)(ya)(ya)力(li)(li)(li),只(zhi)有在不(bu)(bu)(bu)常使(shi)(shi)用(yong)(yong)的(de)(de)情(qing)況(kuang)下,才允許提高20%；對(dui)于(yu)使(shi)(shi)用(yong)(yong)頻繁、經常彎扭者(zhe)要降(jiang)低40%。系統的(de)(de)沖擊(ji)壓(ya)(ya)(ya)(ya)力(li)(li)(li)若(ruo)高于(yu)軟(ruan)(ruan)管規(gui)定的(de)(de)工(gong)(gong)作壓(ya)(ya)(ya)(ya)力(li)(li)(li)，不(bu)(bu)(bu)僅降(jiang)低液壓(ya)(ya)(ya)(ya)軟(ruan)(ruan)管使(shi)(shi)用(yong)(yong)壽命，且(qie)可能(neng)導致人(ren)身設備(bei)事故(gu)。這種(zhong)(zhong)氧化(hua)(hua)層極薄，透過它可以(yi)看(kan)到不(bu)(bu)(bu)銹(xiu)鋼(gang)(gang)表(biao)面(mian)(mian)的(de)(de)自(zi)(zi)然光澤，使(shi)(shi)不(bu)(bu)(bu)銹(xiu)鋼(gang)(gang)具(ju)(ju)有獨特的(de)(de)表(biao)面(mian)(mian)。而且(qie)，如果(guo)損壞了表(biao)層，所暴露出的(de)(de)鋼(gang)(gang)表(biao)面(mian)(mian)會和大氣反應進行自(zi)(zi)我修理，重新形成這種(zhong)(zhong)"鈍化(hua)(hua)膜"，繼續起(qi)保護作用(yong)(yong)。