大連軟管總成主(zhu)要用于礦井液(ye)壓(ya)支(zhi)架、油(you)田開采，適宜(yi)于工(gong)(gong)程建(jian)筑、起重(zhong)運輸(shu)、冶金鍛壓(ya)、礦山設備(bei)、船舶、注塑機械、農(nong)業機械、各種(zhong)機床(chuang)以及(ji)各工(gong)(gong)業部門機械化、自(zi)動化液(ye)壓(ya)系統(tong)(tong)(tong)中輸(shu)送具有(you)一定壓(ya)力(li)和溫度的(de)(de)(de)石油(you)基(ji)，如(ru)(ru)礦物油(you)、可(ke)(ke)(ke)溶(rong)性油(you)、液(ye)壓(ya)油(you)、燃(ran)油(you)、潤滑油(you)及(ji)水(shui)(shui)基(ji)液(ye)體，如(ru)(ru)乳化液(ye)、油(you)水(shui)(shui)乳濁液(ye)、水(shui)(shui)等(deng)和液(ye)體傳動用，最高耐工(gong)(gong)作壓(ya)力(li)可(ke)(ke)(ke)達(da)60MPa。軟管規定的(de)(de)(de)工(gong)(gong)作壓(ya)力(li)通常(chang)情況下不(bu)(bu)(bu)(bu)能(neng)小于最大系統(tong)(tong)(tong)壓(ya)力(li),只有(you)在(zai)不(bu)(bu)(bu)(bu)常(chang)使(shi)(shi)用的(de)(de)(de)情況下,才允許提(ti)高20%；對(dui)于使(shi)(shi)用頻繁(fan)、經常(chang)彎扭者要降低(di)40%。系統(tong)(tong)(tong)的(de)(de)(de)沖(chong)擊(ji)壓(ya)力(li)若高于軟管規定的(de)(de)(de)工(gong)(gong)作壓(ya)力(li)，不(bu)(bu)(bu)(bu)僅降低(di)液(ye)壓(ya)軟管使(shi)(shi)用壽(shou)命，且(qie)(qie)可(ke)(ke)(ke)能(neng)導致(zhi)人身設備(bei)事故。這種(zhong)氧化層(ceng)極薄，透過(guo)它(ta)可(ke)(ke)(ke)以看到不(bu)(bu)(bu)(bu)銹鋼(gang)表面(mian)的(de)(de)(de)自(zi)然光(guang)澤，使(shi)(shi)不(bu)(bu)(bu)(bu)銹鋼(gang)具有(you)獨(du)特的(de)(de)(de)表面(mian)。而(er)且(qie)(qie)，如(ru)(ru)果損壞了表層(ceng)，所暴露出的(de)(de)(de)鋼(gang)表面(mian)會和大氣反應進(jin)行自(zi)我修理，重(zhong)新(xin)形(xing)成(cheng)這種(zhong)"鈍化膜"，繼續起保護作用。