To choose different oil pumps according to different media, we must first know the difference between high-temperature oil pumps and gear oil pumps! The correct configuration has been reached and the service life of the oil pump has been extended. For example, the medium to be hit is in liquid form, the temperature is not higher than 80℃ -120℃, and the viscosity is not higher than 1500cst, which is similar to lubricating oil. In addition, the pipeline is too long or there are many elbows. In this case, a gear oil pump must be selected, because the material processing form and accessories designed and selected in the manufacturing process of the gear oil pump can meet the shortcomings under high pressure, as well as the main gear and the quilt. The gap between the gears is small, the structure is compact, and the supercharging effect has been achieved. What is high pressure means that the medium is liquid at normal temperature and needs to be pressurized to complete the work.

High temperature oil pump
The medium temperature is higher than 150℃-250℃, and the material should be special steel, which has super high temperature resistance and is not easy to deform, and its wear resistance is good. The surface hardness of the main gear and the original gear must be above HRC60 as the standard. During the manufacturing process, the gap between the main gear and the gear should be increased by about 0.05 than that of the high-pressure gear oil pump to prevent the occurrence of explosion under high-temperature operation.

The difference between the two is mainly related to pressure, temperature, and presence or absence of impurities.
The former gear oil pump has high pressure and long service life, and the maximum pressure can reach 25 kg. But the disadvantage is that the temperature is low, and the medium to be hit must not contain impurities.

The latter high-temperature oil pump can pump high-temperature media, and can be used with impurity media, but the disadvantage is that the pressure is lower than the former, and the maximum pressure can be up to 16 kg.

Therefore, the user must pay attention to these items when selecting the model. First, find out what kind of pump high pressure or high temperature should be used, so that unnecessary losses can be avoided. At the same time, choosing the right line is an important part of the service life.