大連軟管總成主要用(yong)(yong)(yong)于(yu)(yu)(yu)礦(kuang)井液(ye)壓(ya)(ya)支架、油(you)(you)(you)田開采，適宜(yi)于(yu)(yu)(yu)工(gong)(gong)程建筑、起重運(yun)輸(shu)、冶金鍛壓(ya)(ya)、礦(kuang)山設備(bei)、船舶、注(zhu)塑(su)機械(xie)(xie)、農業機械(xie)(xie)、各種(zhong)機床(chuang)以及各工(gong)(gong)業部門(men)機械(xie)(xie)化(hua)、自動化(hua)液(ye)壓(ya)(ya)系(xi)統(tong)(tong)中輸(shu)送(song)具有一定(ding)壓(ya)(ya)力(li)(li)和溫度的(de)石油(you)(you)(you)基，如礦(kuang)物油(you)(you)(you)、可(ke)溶性油(you)(you)(you)、液(ye)壓(ya)(ya)油(you)(you)(you)、燃(ran)油(you)(you)(you)、潤滑油(you)(you)(you)及水(shui)基液(ye)體，如乳化(hua)液(ye)、油(you)(you)(you)水(shui)乳濁液(ye)、水(shui)等和液(ye)體傳動用(yong)(yong)(yong)，最高(gao)耐工(gong)(gong)作(zuo)壓(ya)(ya)力(li)(li)可(ke)達60MPa。軟管規定(ding)的(de)工(gong)(gong)作(zuo)壓(ya)(ya)力(li)(li)通(tong)常(chang)情(qing)況下(xia)不(bu)能小于(yu)(yu)(yu)最大(da)系(xi)統(tong)(tong)壓(ya)(ya)力(li)(li),只有在不(bu)常(chang)使用(yong)(yong)(yong)的(de)情(qing)況下(xia),才(cai)允許提高(gao)20%；對于(yu)(yu)(yu)使用(yong)(yong)(yong)頻繁、經(jing)常(chang)彎扭(niu)者要降低40%。系(xi)統(tong)(tong)的(de)沖擊壓(ya)(ya)力(li)(li)若高(gao)于(yu)(yu)(yu)軟管規定(ding)的(de)工(gong)(gong)作(zuo)壓(ya)(ya)力(li)(li)，不(bu)僅降低液(ye)壓(ya)(ya)軟管使用(yong)(yong)(yong)壽命，且(qie)可(ke)能導致人(ren)身(shen)設備(bei)事故。這種(zhong)氧(yang)化(hua)層(ceng)極薄，透(tou)過(guo)它可(ke)以看到(dao)不(bu)銹鋼(gang)(gang)表面(mian)的(de)自然光(guang)澤，使不(bu)銹鋼(gang)(gang)具有獨特的(de)表面(mian)。而且(qie)，如果損壞了表層(ceng)，所暴露出的(de)鋼(gang)(gang)表面(mian)會和大(da)氣(qi)反應(ying)進(jin)行(xing)自我修理，重新形(xing)成這種(zhong)"鈍化(hua)膜"，繼續起保護(hu)作(zuo)用(yong)(yong)(yong)。