大連軟管總成主要用(yong)(yong)(yong)于(yu)(yu)礦井液(ye)壓(ya)(ya)(ya)(ya)支(zhi)架、油(you)田開采，適宜于(yu)(yu)工(gong)程建筑、起(qi)重(zhong)(zhong)運輸、冶金鍛壓(ya)(ya)(ya)(ya)、礦山設備、船舶、注塑機械、農業機械、各種機床(chuang)以(yi)及各工(gong)業部門機械化(hua)、自(zi)動化(hua)液(ye)壓(ya)(ya)(ya)(ya)系統中(zhong)輸送具有(you)一定(ding)(ding)壓(ya)(ya)(ya)(ya)力和(he)溫度(du)的(de)(de)(de)(de)石油(you)基，如礦物油(you)、可(ke)(ke)溶性油(you)、液(ye)壓(ya)(ya)(ya)(ya)油(you)、燃油(you)、潤滑油(you)及水(shui)基液(ye)體(ti)，如乳化(hua)液(ye)、油(you)水(shui)乳濁液(ye)、水(shui)等和(he)液(ye)體(ti)傳(chuan)動用(yong)(yong)(yong)，最高耐工(gong)作壓(ya)(ya)(ya)(ya)力可(ke)(ke)達60MPa。軟(ruan)管規定(ding)(ding)的(de)(de)(de)(de)工(gong)作壓(ya)(ya)(ya)(ya)力通(tong)常(chang)(chang)情(qing)況(kuang)下不能(neng)小于(yu)(yu)最大(da)(da)系統壓(ya)(ya)(ya)(ya)力,只(zhi)有(you)在不常(chang)(chang)使(shi)(shi)用(yong)(yong)(yong)的(de)(de)(de)(de)情(qing)況(kuang)下,才允(yun)許(xu)提高20%；對于(yu)(yu)使(shi)(shi)用(yong)(yong)(yong)頻(pin)繁、經常(chang)(chang)彎扭者要降低40%。系統的(de)(de)(de)(de)沖擊壓(ya)(ya)(ya)(ya)力若高于(yu)(yu)軟(ruan)管規定(ding)(ding)的(de)(de)(de)(de)工(gong)作壓(ya)(ya)(ya)(ya)力，不僅降低液(ye)壓(ya)(ya)(ya)(ya)軟(ruan)管使(shi)(shi)用(yong)(yong)(yong)壽(shou)命，且可(ke)(ke)能(neng)導致人身設備事故。這種氧化(hua)層極薄(bo)，透過它可(ke)(ke)以(yi)看(kan)到不銹鋼表(biao)面的(de)(de)(de)(de)自(zi)然光澤，使(shi)(shi)不銹鋼具有(you)獨特的(de)(de)(de)(de)表(biao)面。而且，如果(guo)損(sun)壞了表(biao)層，所暴(bao)露出的(de)(de)(de)(de)鋼表(biao)面會和(he)大(da)(da)氣反(fan)應進行自(zi)我修理，重(zhong)(zhong)新形成這種"鈍化(hua)膜"，繼(ji)續起(qi)保護作用(yong)(yong)(yong)。