大連軟管總成主要用(yong)(yong)于(yu)礦井(jing)液(ye)壓(ya)(ya)(ya)(ya)(ya)支架、油(you)(you)田開(kai)采，適(shi)宜于(yu)工(gong)(gong)(gong)程建(jian)筑、起(qi)重運輸(shu)、冶金鍛(duan)壓(ya)(ya)(ya)(ya)(ya)、礦山設備(bei)(bei)、船舶、注塑機械、農業機械、各種機床(chuang)以及(ji)各工(gong)(gong)(gong)業部門機械化、自(zi)動化液(ye)壓(ya)(ya)(ya)(ya)(ya)系統中(zhong)輸(shu)送具有(you)一(yi)定(ding)壓(ya)(ya)(ya)(ya)(ya)力(li)和(he)(he)溫(wen)度的石(shi)油(you)(you)基(ji)，如礦物(wu)油(you)(you)、可(ke)溶性油(you)(you)、液(ye)壓(ya)(ya)(ya)(ya)(ya)油(you)(you)、燃油(you)(you)、潤(run)滑(hua)油(you)(you)及(ji)水基(ji)液(ye)體(ti)，如乳化液(ye)、油(you)(you)水乳濁液(ye)、水等和(he)(he)液(ye)體(ti)傳動用(yong)(yong)，最高(gao)耐工(gong)(gong)(gong)作壓(ya)(ya)(ya)(ya)(ya)力(li)可(ke)達(da)60MPa。軟管規(gui)定(ding)的工(gong)(gong)(gong)作壓(ya)(ya)(ya)(ya)(ya)力(li)通常情況下不(bu)(bu)能小(xiao)于(yu)最大系統壓(ya)(ya)(ya)(ya)(ya)力(li),只有(you)在不(bu)(bu)常使用(yong)(yong)的情況下,才允許提高(gao)20%；對于(yu)使用(yong)(yong)頻繁(fan)、經常彎扭者(zhe)要降低40%。系統的沖(chong)擊壓(ya)(ya)(ya)(ya)(ya)力(li)若高(gao)于(yu)軟管規(gui)定(ding)的工(gong)(gong)(gong)作壓(ya)(ya)(ya)(ya)(ya)力(li)，不(bu)(bu)僅(jin)降低液(ye)壓(ya)(ya)(ya)(ya)(ya)軟管使用(yong)(yong)壽命，且(qie)可(ke)能導致人身設備(bei)(bei)事故。這(zhe)(zhe)種氧化層(ceng)極(ji)薄，透(tou)過它可(ke)以看到不(bu)(bu)銹鋼(gang)(gang)表面(mian)的自(zi)然光澤，使不(bu)(bu)銹鋼(gang)(gang)具有(you)獨特的表面(mian)。而(er)且(qie)，如果(guo)損(sun)壞了表層(ceng)，所(suo)暴露出的鋼(gang)(gang)表面(mian)會和(he)(he)大氣反應(ying)進行自(zi)我修(xiu)理，重新形(xing)成這(zhe)(zhe)種"鈍化膜"，繼續(xu)起(qi)保(bao)護作用(yong)(yong)。