大連軟管總成主(zhu)要用(yong)(yong)(yong)于礦(kuang)井(jing)液(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)支架、油(you)田開采(cai)，適(shi)宜于工(gong)(gong)程建筑、起重運(yun)輸、冶金(jin)鍛壓(ya)(ya)(ya)(ya)、礦(kuang)山設備、船舶、注塑(su)機(ji)(ji)械(xie)、農業(ye)機(ji)(ji)械(xie)、各種機(ji)(ji)床以及各工(gong)(gong)業(ye)部門(men)機(ji)(ji)械(xie)化(hua)(hua)、自(zi)動化(hua)(hua)液(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)系(xi)統(tong)中輸送具有(you)一定(ding)壓(ya)(ya)(ya)(ya)力(li)和(he)溫度的(de)石油(you)基，如礦(kuang)物油(you)、可(ke)溶性油(you)、液(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)油(you)、燃油(you)、潤(run)滑油(you)及水(shui)(shui)基液(ye)(ye)(ye)(ye)體，如乳(ru)化(hua)(hua)液(ye)(ye)(ye)(ye)、油(you)水(shui)(shui)乳(ru)濁液(ye)(ye)(ye)(ye)、水(shui)(shui)等和(he)液(ye)(ye)(ye)(ye)體傳動用(yong)(yong)(yong)，最高耐工(gong)(gong)作壓(ya)(ya)(ya)(ya)力(li)可(ke)達60MPa。軟(ruan)管規定(ding)的(de)工(gong)(gong)作壓(ya)(ya)(ya)(ya)力(li)通(tong)常(chang)情(qing)況下不能小(xiao)于最大系(xi)統(tong)壓(ya)(ya)(ya)(ya)力(li),只有(you)在不常(chang)使(shi)(shi)(shi)用(yong)(yong)(yong)的(de)情(qing)況下,才允許(xu)提高20%；對于使(shi)(shi)(shi)用(yong)(yong)(yong)頻繁(fan)、經常(chang)彎(wan)扭者要降(jiang)低(di)40%。系(xi)統(tong)的(de)沖擊壓(ya)(ya)(ya)(ya)力(li)若高于軟(ruan)管規定(ding)的(de)工(gong)(gong)作壓(ya)(ya)(ya)(ya)力(li)，不僅降(jiang)低(di)液(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)軟(ruan)管使(shi)(shi)(shi)用(yong)(yong)(yong)壽(shou)命，且(qie)可(ke)能導(dao)致人(ren)身設備事故。這(zhe)種氧化(hua)(hua)層極薄，透過它可(ke)以看到不銹鋼表(biao)面的(de)自(zi)然光澤，使(shi)(shi)(shi)不銹鋼具有(you)獨特的(de)表(biao)面。而且(qie)，如果損壞了表(biao)層，所暴露出的(de)鋼表(biao)面會(hui)和(he)大氣反應(ying)進行自(zi)我修理(li)，重新形成(cheng)這(zhe)種"鈍化(hua)(hua)膜"，繼續(xu)起保(bao)護作用(yong)(yong)(yong)。