大連軟管總成主要(yao)(yao)用(yong)于(yu)(yu)礦井液(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)支架、油(you)田開采，適宜(yi)于(yu)(yu)工(gong)(gong)程建筑、起重(zhong)(zhong)運輸、冶金鍛壓(ya)(ya)(ya)(ya)(ya)、礦山設備(bei)、船舶、注(zhu)塑機(ji)(ji)械、農業(ye)機(ji)(ji)械、各種(zhong)機(ji)(ji)床以(yi)及(ji)各工(gong)(gong)業(ye)部門機(ji)(ji)械化、自(zi)(zi)動化液(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)系(xi)(xi)統中輸送具(ju)有一定(ding)壓(ya)(ya)(ya)(ya)(ya)力(li)和(he)溫度的(de)(de)石油(you)基，如礦物油(you)、可(ke)(ke)溶性(xing)油(you)、液(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)油(you)、燃油(you)、潤(run)滑(hua)油(you)及(ji)水基液(ye)(ye)(ye)(ye)體，如乳(ru)化液(ye)(ye)(ye)(ye)、油(you)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(gao)耐(nai)工(gong)(gong)作壓(ya)(ya)(ya)(ya)(ya)力(li)可(ke)(ke)達60MPa。軟(ruan)管規(gui)定(ding)的(de)(de)工(gong)(gong)作壓(ya)(ya)(ya)(ya)(ya)力(li)通常情況(kuang)(kuang)下(xia)不能(neng)小于(yu)(yu)最大系(xi)(xi)統壓(ya)(ya)(ya)(ya)(ya)力(li),只有在(zai)不常使(shi)用(yong)的(de)(de)情況(kuang)(kuang)下(xia),才允(yun)許提高(gao)20%；對于(yu)(yu)使(shi)用(yong)頻繁、經常彎(wan)扭者要(yao)(yao)降低40%。系(xi)(xi)統的(de)(de)沖擊壓(ya)(ya)(ya)(ya)(ya)力(li)若高(gao)于(yu)(yu)軟(ruan)管規(gui)定(ding)的(de)(de)工(gong)(gong)作壓(ya)(ya)(ya)(ya)(ya)力(li)，不僅降低液(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)軟(ruan)管使(shi)用(yong)壽命，且可(ke)(ke)能(neng)導致人身設備(bei)事故。這種(zhong)氧化層(ceng)極薄，透(tou)過它可(ke)(ke)以(yi)看(kan)到不銹(xiu)鋼(gang)表(biao)面的(de)(de)自(zi)(zi)然光澤(ze)，使(shi)不銹(xiu)鋼(gang)具(ju)有獨特(te)的(de)(de)表(biao)面。而且，如果(guo)損壞了表(biao)層(ceng)，所暴露出(chu)的(de)(de)鋼(gang)表(biao)面會和(he)大氣反應進行自(zi)(zi)我修理，重(zhong)(zhong)新形成這種(zhong)"鈍化膜"，繼續(xu)起保護作用(yong)。