大連軟管總成主(zhu)要用(yong)于(yu)礦井液(ye)(ye)壓(ya)(ya)支架(jia)、油田開采，適宜于(yu)工(gong)程建筑(zhu)、起重運(yun)輸、冶金鍛壓(ya)(ya)、礦山設備(bei)、船舶、注塑機械、農業機械、各種(zhong)(zhong)機床以(yi)及各工(gong)業部門機械化、自動化液(ye)(ye)壓(ya)(ya)系(xi)統(tong)(tong)中輸送(song)具有一定(ding)壓(ya)(ya)力(li)和溫(wen)度的(de)石(shi)油基，如(ru)(ru)礦物(wu)油、可(ke)溶性(xing)油、液(ye)(ye)壓(ya)(ya)油、燃(ran)油、潤滑油及水(shui)(shui)(shui)基液(ye)(ye)體，如(ru)(ru)乳化液(ye)(ye)、油水(shui)(shui)(shui)乳濁液(ye)(ye)、水(shui)(shui)(shui)等和液(ye)(ye)體傳動用(yong)，最高(gao)(gao)耐工(gong)作(zuo)壓(ya)(ya)力(li)可(ke)達60MPa。軟管(guan)規定(ding)的(de)工(gong)作(zuo)壓(ya)(ya)力(li)通常(chang)情況下不(bu)能(neng)小(xiao)于(yu)最大(da)系(xi)統(tong)(tong)壓(ya)(ya)力(li),只有在不(bu)常(chang)使用(yong)的(de)情況下,才允許提高(gao)(gao)20%；對(dui)于(yu)使用(yong)頻繁、經常(chang)彎扭者要降(jiang)(jiang)低(di)40%。系(xi)統(tong)(tong)的(de)沖擊壓(ya)(ya)力(li)若高(gao)(gao)于(yu)軟管(guan)規定(ding)的(de)工(gong)作(zuo)壓(ya)(ya)力(li)，不(bu)僅降(jiang)(jiang)低(di)液(ye)(ye)壓(ya)(ya)軟管(guan)使用(yong)壽命，且可(ke)能(neng)導(dao)致人身設備(bei)事(shi)故。這(zhe)種(zhong)(zhong)氧化層(ceng)極薄，透過它可(ke)以(yi)看(kan)到不(bu)銹鋼表(biao)面(mian)的(de)自然(ran)光澤(ze)，使不(bu)銹鋼具有獨特的(de)表(biao)面(mian)。而且，如(ru)(ru)果(guo)損(sun)壞了表(biao)層(ceng)，所暴露出的(de)鋼表(biao)面(mian)會和大(da)氣反應(ying)進行自我(wo)修(xiu)理，重新(xin)形(xing)成這(zhe)種(zhong)(zhong)"鈍化膜(mo)"，繼續起保護作(zuo)用(yong)。