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How Does A Hydraulic Return Oil Filter Work?

October 09, 2022
How Does A Hydraulic Return Oil Filter Work?

There is a pipeline in the hydraulic system called oil return line, which is one of the main lines of the hydraulic system. After working, the oil will return to the tank and enter the hydraulic system again, which is called oil return. In order to protect valuable components in the system, it is necessary to install a filter on the oil return pipe to filter out the fine particles that may damage the hydraulic components.

How Does A Hydraulic Return Oil Filter Work 


So how does the return oil filter work?

The return oil filter is installed in the oil return line to remove the particulate pollutant that invades the system and generated in the system, and provide clean oil for the hydraulic system. The return path of the oil is: after being cooled by an oil cooler through the pressure oil return main pipe, it returns to the oil tank through a oil return filter.


Significance of Using Qulified Return Oil Filters

The return oil filter is the most effective and important filter to control the pollution degree of the system. Although the oil return pipeline is a low-pressure pipeline, according to the operating conditions of the transmission device, there will also be pulsation or pressure impact, so the material and strength of the filter element should be fully considered.

 

How to Protect Your Return Oil Filters?

The return oil filter is equipped with an overload bypass device. When the return oil pressure is too high due to the fluctuation of return oil flow (such as rapid system shutdown), the overload bypass device acts to avoid damage to the return oil filter.

 

The hydraulic oil filter element from Dongfang Yoyik is made of advanced fiber material, and has high filtering accuracy, large oil passing capacity, less original pressure loss, large dirt holding capacity, etc. Here are some regular used types of the hydraulic filter elements: DR405EA03V/-W, V4051V3C03, LH0330D020BN3HC and so on. They are specially made for steam turbine EH oil return system. Its filtering accuracy is calibrated with absolute filtering accuracy, with filtering ratio p3, 5, 10, 20>100, and filtering efficiency n ≥ 99%.


How Does A Hydraulic Return Oil Filter Work

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