大連軟管總成主要用(yong)于(yu)(yu)礦(kuang)井液(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)支架(jia)、油田開采，適宜(yi)于(yu)(yu)工(gong)(gong)(gong)程(cheng)建(jian)筑、起(qi)重(zhong)運輸、冶金鍛壓(ya)(ya)(ya)、礦(kuang)山設備、船舶(bo)、注塑機械、農業機械、各種(zhong)(zhong)機床以及各工(gong)(gong)(gong)業部門機械化(hua)(hua)、自動化(hua)(hua)液(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)系統(tong)中輸送具有(you)一(yi)定壓(ya)(ya)(ya)力(li)(li)和(he)溫度的(de)石(shi)油基(ji)，如(ru)礦(kuang)物(wu)油、可(ke)溶(rong)性油、液(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)油、燃油、潤(run)滑油及水基(ji)液(ye)(ye)(ye)(ye)體，如(ru)乳(ru)化(hua)(hua)液(ye)(ye)(ye)(ye)、油水乳(ru)濁液(ye)(ye)(ye)(ye)、水等和(he)液(ye)(ye)(ye)(ye)體傳動用(yong)，最高耐(nai)工(gong)(gong)(gong)作(zuo)壓(ya)(ya)(ya)力(li)(li)可(ke)達60MPa。軟(ruan)(ruan)管(guan)規定的(de)工(gong)(gong)(gong)作(zuo)壓(ya)(ya)(ya)力(li)(li)通常情(qing)(qing)況(kuang)下不(bu)(bu)能(neng)小于(yu)(yu)最大(da)系統(tong)壓(ya)(ya)(ya)力(li)(li),只有(you)在不(bu)(bu)常使用(yong)的(de)情(qing)(qing)況(kuang)下,才(cai)允許提高20%；對于(yu)(yu)使用(yong)頻繁、經常彎扭(niu)者要降(jiang)低(di)40%。系統(tong)的(de)沖擊壓(ya)(ya)(ya)力(li)(li)若(ruo)高于(yu)(yu)軟(ruan)(ruan)管(guan)規定的(de)工(gong)(gong)(gong)作(zuo)壓(ya)(ya)(ya)力(li)(li)，不(bu)(bu)僅(jin)降(jiang)低(di)液(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)軟(ruan)(ruan)管(guan)使用(yong)壽命，且(qie)可(ke)能(neng)導致人身設備事(shi)故。這種(zhong)(zhong)氧(yang)化(hua)(hua)層極薄，透過它可(ke)以看到不(bu)(bu)銹(xiu)鋼(gang)表(biao)面的(de)自然光澤(ze)，使不(bu)(bu)銹(xiu)鋼(gang)具有(you)獨(du)特的(de)表(biao)面。而且(qie)，如(ru)果損(sun)壞了表(biao)層，所暴露(lu)出的(de)鋼(gang)表(biao)面會(hui)和(he)大(da)氣反應(ying)進(jin)行自我修理，重(zhong)新形成這種(zhong)(zhong)"鈍化(hua)(hua)膜(mo)"，繼續起(qi)保護(hu)作(zuo)用(yong)。