大連軟管總成主要用(yong)于礦井液(ye)(ye)(ye)(ye)壓(ya)(ya)支架、油(you)(you)(you)田開采，適宜于工(gong)程建筑、起重運輸、冶金鍛壓(ya)(ya)、礦山設備、船舶、注塑機(ji)械、農(nong)業機(ji)械、各種(zhong)機(ji)床以及(ji)各工(gong)業部門機(ji)械化(hua)、自(zi)動(dong)化(hua)液(ye)(ye)(ye)(ye)壓(ya)(ya)系(xi)統(tong)中輸送(song)具有一定(ding)(ding)壓(ya)(ya)力(li)和(he)溫度(du)的(de)(de)石油(you)(you)(you)基，如(ru)礦物油(you)(you)(you)、可溶性油(you)(you)(you)、液(ye)(ye)(ye)(ye)壓(ya)(ya)油(you)(you)(you)、燃(ran)油(you)(you)(you)、潤滑油(you)(you)(you)及(ji)水(shui)(shui)基液(ye)(ye)(ye)(ye)體，如(ru)乳化(hua)液(ye)(ye)(ye)(ye)、油(you)(you)(you)水(shui)(shui)乳濁(zhuo)液(ye)(ye)(ye)(ye)、水(shui)(shui)等(deng)和(he)液(ye)(ye)(ye)(ye)體傳(chuan)動(dong)用(yong)，最(zui)高(gao)耐工(gong)作壓(ya)(ya)力(li)可達60MPa。軟(ruan)管(guan)規(gui)定(ding)(ding)的(de)(de)工(gong)作壓(ya)(ya)力(li)通常(chang)情況下不能小于最(zui)大系(xi)統(tong)壓(ya)(ya)力(li),只(zhi)有在不常(chang)使(shi)(shi)(shi)用(yong)的(de)(de)情況下,才(cai)允(yun)許提高(gao)20%；對于使(shi)(shi)(shi)用(yong)頻繁、經常(chang)彎扭者要降(jiang)低40%。系(xi)統(tong)的(de)(de)沖擊壓(ya)(ya)力(li)若高(gao)于軟(ruan)管(guan)規(gui)定(ding)(ding)的(de)(de)工(gong)作壓(ya)(ya)力(li)，不僅降(jiang)低液(ye)(ye)(ye)(ye)壓(ya)(ya)軟(ruan)管(guan)使(shi)(shi)(shi)用(yong)壽命，且可能導致人身設備事故。這(zhe)種(zhong)氧化(hua)層極薄，透過(guo)它可以看到不銹鋼(gang)表面(mian)(mian)的(de)(de)自(zi)然光澤，使(shi)(shi)(shi)不銹鋼(gang)具有獨特的(de)(de)表面(mian)(mian)。而(er)且，如(ru)果損壞了表層，所暴露出的(de)(de)鋼(gang)表面(mian)(mian)會和(he)大氣反應進行自(zi)我修理，重新形成(cheng)這(zhe)種(zhong)"鈍化(hua)膜"，繼續起保護作用(yong)。