kubota l3130 hydraulic filter,kubota l2800 hydraulic filter,kubota l2550 hydraulic filter

The general hydraulic filter is mainly composed of the filter element (or filter screen) and shell (or framework). The oil flow area is composed of countless tiny gaps or holes in the filter element.

Therefore, when the size of impurities mixed into the oil is larger than these tiny gaps or holes, they are blocked and filtered out from the oil. Because different hydraulic systems have different requirements, it is impossible and sometimes unnecessary to completely filter the impurities mixed into the oil.

Today, as a professional kubota m4700 hydraulic filter supplier, we’ll talk about the requirements of the hydraulic system for the filter.

This varies according to the purpose:

The oil suction filter is used to protect the hydraulic components of the system from the damage of contaminated particles.

However, it also increases the oil absorption resistance of the pump, so it is necessary to select the pump with large circulation capacity, high filtration efficiency, large scale capacity, and small pressure loss.

Such as mesh and wire gap filters.

Filtration accuracy and efficiency are a pair of contradictions. Generally, the accuracy of the filter is 80-200 μ m. Just meet your needs.

If it is a plunger pump, you can even consider it not applicable to the filter.

The purpose of a pressure oil circuit filter is to protect other hydraulic parts other than the pump. Due to the high pressure at the installation position, high-pressure resistance should be considered first.

If it is used to protect components with the poor anti-pollution ability (such as servo valve), the filtration accuracy and flow capacity need to be considered. It is recommended to select a high-pressure oil filter with a shell, such as domestic Zu-h63x3.

The purpose of the oil return pipeline filter is to filter the dirt in the system before returning the system oil to the oil tank to ensure that the oil in the oil tank is clean.

The filtering accuracy is generally 10-50 μ m.

In this filtering mode, the filter may be blocked, thereby blocking the hydraulic components of the system.

It is recommended to select the oil return filter with a bypass valve.

In addition, when the return oil is suddenly connected under high pressure, there will be an impact, so a large flow filter should be selected.

If the pressure is too large, a back pressure valve shall be added to protect the filter.

A bypass filter is a filter device composed of a filter and small pump, which is independent of the hydraulic system and is not affected by the system.

For the main system of variable displacement pumps, this filtration method can make up for the reduction of filtration capacity under low flow.

Generally, the filter flow of the bypass filter is about 20% of the pump flow (max) of the main system, and the filter accuracy should be high.

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