大連軟管總成主(zhu)要用于礦井液(ye)(ye)壓(ya)(ya)(ya)(ya)支(zhi)架、油(you)田開采，適宜于工(gong)程建(jian)筑、起重運(yun)輸(shu)、冶金(jin)鍛壓(ya)(ya)(ya)(ya)、礦山設(she)備、船(chuan)舶、注(zhu)塑機械、農業機械、各種(zhong)機床以及各工(gong)業部門機械化、自(zi)動(dong)(dong)化液(ye)(ye)壓(ya)(ya)(ya)(ya)系(xi)(xi)統中輸(shu)送(song)具有一定壓(ya)(ya)(ya)(ya)力(li)和(he)(he)溫度(du)的(de)石油(you)基，如(ru)礦物油(you)、可溶(rong)性油(you)、液(ye)(ye)壓(ya)(ya)(ya)(ya)油(you)、燃油(you)、潤滑(hua)油(you)及水基液(ye)(ye)體，如(ru)乳(ru)(ru)化液(ye)(ye)、油(you)水乳(ru)(ru)濁液(ye)(ye)、水等和(he)(he)液(ye)(ye)體傳(chuan)動(dong)(dong)用，最高(gao)耐工(gong)作(zuo)(zuo)壓(ya)(ya)(ya)(ya)力(li)可達60MPa。軟(ruan)管規(gui)定的(de)工(gong)作(zuo)(zuo)壓(ya)(ya)(ya)(ya)力(li)通常(chang)情況下不(bu)能(neng)小于最大系(xi)(xi)統壓(ya)(ya)(ya)(ya)力(li),只(zhi)有在不(bu)常(chang)使(shi)用的(de)情況下,才允許(xu)提高(gao)20%；對于使(shi)用頻繁、經(jing)常(chang)彎扭者要降(jiang)低40%。系(xi)(xi)統的(de)沖擊壓(ya)(ya)(ya)(ya)力(li)若高(gao)于軟(ruan)管規(gui)定的(de)工(gong)作(zuo)(zuo)壓(ya)(ya)(ya)(ya)力(li)，不(bu)僅降(jiang)低液(ye)(ye)壓(ya)(ya)(ya)(ya)軟(ruan)管使(shi)用壽命，且可能(neng)導(dao)致(zhi)人身設(she)備事(shi)故(gu)。這(zhe)種(zhong)氧化層極薄，透過它可以看到不(bu)銹鋼表(biao)面(mian)(mian)的(de)自(zi)然光澤，使(shi)不(bu)銹鋼具有獨特的(de)表(biao)面(mian)(mian)。而且，如(ru)果損壞了表(biao)層，所暴露出的(de)鋼表(biao)面(mian)(mian)會和(he)(he)大氣反應進(jin)行(xing)自(zi)我修理，重新(xin)形成這(zhe)種(zhong)"鈍化膜(mo)"，繼續(xu)起保護作(zuo)(zuo)用。