液壓油換油指標：

1   40C°運動粘度變化超過10%-15%

2   水分大于0.1

3   色度大于2

4   酸值超過35

5   不溶物大(da)于0.1

6   銅片腐蝕大(da)于2a

隨著(zhu)工程(cheng)機械(xie)車輛的(de)發(fa)展，國產的(de)工程(cheng)機械(xie)的(de)發(fa)動機和(he)液(ye)壓系統設計與(yu)國外越(yue)來(lai)越(yue)同步。對油品的(de)要求也越(yue)來(lai)越(yue)高。國產工程(cheng)機械(xie)設備也由原來(lai)的(de)抗磨(mo)(mo)液(ye)壓油逐漸向無灰抗磨(mo)(mo)液(ye)壓油轉變。

液壓油(you)完全按照調和而(er)成，采(cai)用(yong)配(pei)方來自于進口無灰添加劑，基(ji)礎油(you)采(cai)用(yong)2次加氫異(yi)構(gou)脫蠟(la)的基(ji)礎油(you)。

 液(ye)(ye)壓(ya)(ya)(ya)油(you)(you)(you)在(zai)中(zhong)，高壓(ya)(ya)(ya)系統中(zhong)使(shi)用(yong)(yong)(yong)時，不僅具(ju)有(you)良(liang)好(hao)(hao)的(de)(de)(de)防銹(xiu)性(xing)，而且(qie)其性(xing)能尤其突出(chu)。經研究使(shi)用(yong)(yong)(yong)液(ye)(ye)壓(ya)(ya)(ya)油(you)(you)(you)的(de)(de)(de)高壓(ya)(ya)(ya)油(you)(you)(you)泵(beng)的(de)(de)(de)壽命比防銹(xiu)液(ye)(ye)壓(ya)(ya)(ya)油(you)(you)(you)的(de)(de)(de)高壓(ya)(ya)(ya)油(you)(you)(you)泵(beng)的(de)(de)(de)壽命要長3倍(bei)。液(ye)(ye)壓(ya)(ya)(ya)油(you)(you)(you)的(de)(de)(de)分類：按組(zu)成分類：無添加劑型(xing)(xing)、型(xing)(xing)、高粘度指數液(ye)(ye)壓(ya)(ya)(ya)油(you)(you)(you)型(xing)(xing)等(deng)。按使(shi)用(yong)(yong)(yong)特性(xing)分類：難燃、環保(bao)型(xing)(xing)等(deng)。按使(shi)用(yong)(yong)(yong)壓(ya)(ya)(ya)力分類：普(pu)通、高壓(ya)(ya)(ya)液(ye)(ye)壓(ya)(ya)(ya)油(you)(you)(you)等(deng)。液(ye)(ye)壓(ya)(ya)(ya)油(you)(you)(you)質(zhi)量要求，合(he)肥(fei)液(ye)(ye)壓(ya)(ya)(ya)油(you)(you)(you)，良(liang)好(hao)(hao)的(de)(de)(de)抗泡性(xing)和空氣釋(shi)放值，液(ye)(ye)壓(ya)(ya)(ya)油(you)(you)(you)公司(si)，以保(bao)證(zheng)在(zai)運(yun)轉中(zhong)受到機械(xie)劇烈攪拌的(de)(de)(de)條件下產(chan)生(sheng)的(de)(de)(de)泡沫能迅(xun)速消失；并(bing)能將混入油(you)(you)(you)中(zhong)的(de)(de)(de)空氣在(zai)較(jiao)短時間內釋(shi)放出(chu)來，

 液(ye)(ye)壓(ya)(ya)(ya)(ya)油(you)應(ying)用(yong)領域，模具加(jia)工(gong)行業液(ye)(ye)壓(ya)(ya)(ya)(ya)油(you)。工(gong)程機械液(ye)(ye)壓(ya)(ya)(ya)(ya)油(you)壓(ya)(ya)(ya)(ya)鑄機。水泥(ni)廠用(yong)油(you)主(zhu)要(yao)用(yong)油(you)的(de)(de)部(bu)位包(bao)括：立磨、回轉窯、斗(dou)提、輥(gun)壓(ya)(ya)(ya)(ya)機等。液(ye)(ye)壓(ya)(ya)(ya)(ya)油(you)就(jiu)是利用(yong)液(ye)(ye)體(ti)壓(ya)(ya)(ya)(ya)力(li)能(neng)的(de)(de)液(ye)(ye)壓(ya)(ya)(ya)(ya)系統(tong)(tong)使(shi)(shi)用(yong)的(de)(de)液(ye)(ye)壓(ya)(ya)(ya)(ya)介質(zhi)，在液(ye)(ye)壓(ya)(ya)(ya)(ya)系統(tong)(tong)中(zhong)起著能(neng)量傳遞、、系統(tong)(tong)潤滑、防腐、防銹(xiu)、冷卻等作用(yong)。液(ye)(ye)壓(ya)(ya)(ya)(ya)油(you)在中(zhong)，液(ye)(ye)壓(ya)(ya)(ya)(ya)油(you)廠商，高壓(ya)(ya)(ya)(ya)系統(tong)(tong)中(zhong)使(shi)(shi)用(yong)時，不僅(jin)具有良好(hao)的(de)(de)防銹(xiu)性(xing)，而且其性(xing)能(neng)尤其突出。經研究使(shi)(shi)用(yong)液(ye)(ye)壓(ya)(ya)(ya)(ya)油(you)的(de)(de)高壓(ya)(ya)(ya)(ya)油(you)泵(beng)的(de)(de)壽命(ming)比(bi)防銹(xiu)液(ye)(ye)壓(ya)(ya)(ya)(ya)油(you)的(de)(de)高壓(ya)(ya)(ya)(ya)油(you)泵(beng)的(de)(de)壽命(ming)要(yao)長3倍。