... with low noise 4Reliable quality /performance DT2 oil cooler A wide range usage :such as transmission system , engine , caterpillar , hydraulic ... can be used for cooling the material below:Mineral oil , synthetic oil , bio oil , HFA , HFB , HFC , HFD liquids , water ... :1/3 of electric motor power.Hydraulic applications: Lubrication oil applications: DT1~DT8 specific heat rejection & pressure drop: ...