Hydraulic system often appear in a variety of impurities, the source of these impurities is very wide, there are cleaning still remain in the hydraulic system of mechanical impurities, such as rust, iron filings, paint, etc., but also from the outside into the hydraulic system of dust, sealing components in the working process of the debris produced and so on. The generation of impurities is inevitable, but if not cleaned up, will affect the work of the hydraulic system. As one of the hydraulic parts of the oil filter, assuming such an important job.
Currently on the market oil filter can be divided into mechanical oil filter and magnetic oil filter. Mechanical oil filter mainly rely on filter media to block impurities, including net oil filter, line gap oil filter, sheet oil filter, paper core oil filter, sintered oil filter, etc.; magnetic oil filter mainly rely on the magnetism of the filtration media to suck out the oil in the iron powder. Some oil tanks placed at the bottom of a magnet is used to adsorb the impurities in the oil of iron filings, to prevent such impurities from entering the oil circuit, the magnet is a magnetic oil filter.
So, where should the oil filter be installed? In fact, the oil filter can be installed in a lot of places, people most often use the following five installation locations:
(1) installed in the pump suction port: can avoid larger particles of impurities into the hydraulic pump, but need to pass the oil capacity and pressure loss is small.
(2) installed in the pump outlet: this position is used to protect the hydraulic pump in addition to other hydraulic components. Requirements for oil filters can withstand high pressure.
(3) installed in the pump back to the oil: so that the oil in the flow back to the tank before the first filter, so that the oil in the tank is purified. The pressure resistance of this type of oil filter housing may be lower.
(4) installed in an independent filtration system: by the oil filter and pumps form an independent of the hydraulic system outside the filtration circuit. Can be continuously purified system oil, and the oil filter installed in the bypass similar to the case, but the need to increase the pump equipment.
(5) installed in the bypass oil: can make the pipeline in the large oil continuously purified, so that the degree of contamination of the oil under control.
In hydraulic systems, in addition to the oil filter required for the entire system, a special fine oil filter is often installed separately in front of some important components to ensure their proper functioning. Hydraulic system in the use of a certain number of years, due to each additional phenomenon or manufacturing obstacles, at this time in the way of regulation can not be given up, can be repaired to break down or change the components, remove and then clean and replace the seals or springs.
There are many kinds of oil filters, but the oil filters purchased should have a high, in line with the requirements of the ability to filter impurities, while the resistance to the liquid flow but very small; filtering material has a certain mechanical strength, not due to the liquid pressure effect of destruction; can be in a certain operating temperature should maintain stable performance; at the same time, the oil filter is best to facilitate the cleaning and maintenance of the easy to replace the filter element material. Follow the above points, can help you buy the right oil filter.
If you want to know more professional knowledge about hydraulic parts, you can visit the official website of Hanjiu, which manufactures hydraulic pumps and spare parts. The products are sold all over the world and have gained good reputation and feedback. At present, we have agents in more than ten countries and regions around the world.
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