大連軟管總成主(zhu)要用(yong)(yong)(yong)于(yu)(yu)礦(kuang)(kuang)井液(ye)(ye)(ye)壓支架、油(you)田開采，適宜于(yu)(yu)工(gong)(gong)程建筑(zhu)、起重(zhong)運(yun)輸(shu)、冶(ye)金鍛壓、礦(kuang)(kuang)山設備、船舶、注塑機(ji)械、農業(ye)機(ji)械、各種(zhong)(zhong)機(ji)床以(yi)(yi)及(ji)各工(gong)(gong)業(ye)部門(men)機(ji)械化(hua)(hua)(hua)、自(zi)動化(hua)(hua)(hua)液(ye)(ye)(ye)壓系統中輸(shu)送具有一定(ding)壓力和溫度的(de)(de)石油(you)基(ji)，如礦(kuang)(kuang)物油(you)、可(ke)(ke)溶(rong)性油(you)、液(ye)(ye)(ye)壓油(you)、燃(ran)油(you)、潤(run)滑(hua)油(you)及(ji)水基(ji)液(ye)(ye)(ye)體(ti)，如乳化(hua)(hua)(hua)液(ye)(ye)(ye)、油(you)水乳濁液(ye)(ye)(ye)、水等和液(ye)(ye)(ye)體(ti)傳動用(yong)(yong)(yong)，最(zui)高(gao)(gao)耐工(gong)(gong)作(zuo)壓力可(ke)(ke)達(da)60MPa。軟管(guan)規定(ding)的(de)(de)工(gong)(gong)作(zuo)壓力通常情(qing)況下不(bu)能小于(yu)(yu)最(zui)大系統壓力,只有在不(bu)常使(shi)用(yong)(yong)(yong)的(de)(de)情(qing)況下,才允許提高(gao)(gao)20%；對于(yu)(yu)使(shi)用(yong)(yong)(yong)頻繁、經(jing)常彎扭者要降低40%。系統的(de)(de)沖擊壓力若(ruo)高(gao)(gao)于(yu)(yu)軟管(guan)規定(ding)的(de)(de)工(gong)(gong)作(zuo)壓力，不(bu)僅降低液(ye)(ye)(ye)壓軟管(guan)使(shi)用(yong)(yong)(yong)壽命(ming)，且可(ke)(ke)能導致人身設備事故。這(zhe)種(zhong)(zhong)氧化(hua)(hua)(hua)層極薄，透過它可(ke)(ke)以(yi)(yi)看到(dao)不(bu)銹鋼表(biao)(biao)面的(de)(de)自(zi)然(ran)光澤(ze)，使(shi)不(bu)銹鋼具有獨特的(de)(de)表(biao)(biao)面。而且，如果損(sun)壞了(le)表(biao)(biao)層，所(suo)暴露出(chu)的(de)(de)鋼表(biao)(biao)面會和大氣反應(ying)進(jin)行自(zi)我修理，重(zhong)新形成這(zhe)種(zhong)(zhong)"鈍化(hua)(hua)(hua)膜"，繼續起保護作(zuo)用(yong)(yong)(yong)。