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How to select the hydraulic oil type of the cylinder manufacturer 1. Select according to the working pressure of the hydraulic system. Different working pressures have different requirements on the quality of hydraulic oil. With the increase of system working pressure, the anti-wear, anti-oxidation, anti foam, anti emulsification, hydrolysis stability and other properties of hydraulic oil should also be improved. At the same time, in order to prevent leakage caused by pressure increase, the hydraulic oil is sticky
