The filter element
Line filter
Valve and joint
Oil Purifier
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  The working principle of hydraulic oil filter
[Author: Tianrui 2017-02-04 Click: 768 ]

Of contaminants in the fluid collected in various forms, trapping pollutants to filter the material is called filter. With magnetic material magnetic pollutants known as magnetic adsorption filter. In addition, electrostatic filters, separating filter, and so on. In hydraulic systems, where contamination particles in a fluid collection is called a hydraulic filter.


Currently the most widely used hydraulic filters in addition to using porous materials or methods-wound fine-gap intercept pollutants, there are also magnetic filter and electrostatic filter for hydraulic systems.


Role is to filter in hydraulic system of hydraulic filter all impurities.


Its source main has: cleaning Hou still residues in hydraulic system in the of mechanical impurities, as rust, and cast sand, and welding slag, and iron, and paint, and paint skin and cotton chip,, external into hydraulic system of impurities, as by refueling mouth and dust circle, at into of dust; work process produced of impurities, as sealed pieces by hydraulic role formed of debris, movement for relative wear produced of metal powder, oil liquid for oxidation metamorphic produced of glial, and asphalt quality, and carbon slag,.


Above impurities mix hydraulic oil Hou, with hydraulic oil of cycle role, will everywhere up damage role, serious effect hydraulic system of normal work, as makes hydraulic components in the relative movement parts Zhijian of is small clearance (to meter μ m) and throttle small hole and gap card died or jam; damage relative movement parts Zhijian of oil film, designated injury clearance surface, increases internal leaked, reduced efficiency, increased fever, increased oil liquid of chemical role, makes oil liquid metamorphic.According to statistics, over failures in hydraulic system of 75% was caused by hydraulic oil mixed with impurities in, so maintenance cleaning of the oil, and prevent oil pollution, the hydraulic system is very important.


General hydraulic filters for the filter (or filters) and shells (or frame). By the filter on the numerous small clearance or small hole oil circulation area, so when mixed with impurities in the oil is larger than these small gaps or holes, blocked from the oil filter out of the liquid.


Due to the different hydraulic systems have different requirements, and is impossible to completely filter mixed with impurities in the oil, sometimes not demanding.     

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