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New tendencies in hydraulic oil filtration

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New tendencies in hydraulic oil filtration

Release date:2017-08-02 14:34 source:http://www.hlamec.com clicks:


Abstract The general trend in hydraulic filtration is going to finer filters where 3 micron filtration is being used more often. In flushing and filling processes sometimes even finer filtration is found but the users are facing more often filter ability problems with the fluids in service (especially if the fluids are already showing signs of degradation). The tendency of finer filtration is supported by international standardization work, where a third class in the contamination levels of ISO 4406 is discussed for 2 micron size particles. The propagation of the three class ISO 4406 is forwarded even if most companies using microscopic particle counting are not able to see those small particles under their microscope. Manufacturers of hydraulic equipment are showing more interest in flushing of new machines before start up.


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