It’s time to learn about new technologies; we can’t rely on the technologies from a decade ago

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I am still considering pollution prevention measures for magnetically sealed bearings, as well as measures to prevent pollution from lubricant refilling? ? ? A bit outdated? ! ! Technical personnel in chemical and pharmaceutical equipment need to understand \"magnetic fluid sealing\"; with the emergence of this new sealing principle, there is no longer any need to consider the aforementioned problems. It’s like this: with the advent of internal combustion engine tractors, there was no longer a need to consider horses used in carriages, or how to prevent wear on their hooves or what kind of feed would help maintain their endurance. Magnetic fluid sealing is completely different from magnetic sealing; they are two distinct concepts based on different technical principles. With magnetic fluid sealing, the lower bearing is not located inside the tank but on the atmospheric side, so there is no need to worry about preventing the bearing from being corroded or contaminated. Magnetic fluid sealing requires no maintenance; there is no need to add lubricant or anything similar, and thus there is absolutely no need to worry about how to reduce or prevent lubricant contamination. Moreover, the magnetohydraulic seal also features zero leakage, a long service life, no maintenance requirements, easy installation and removal, and is convenient to use. You can contact me to exchange ideas about learning*.