Kunlun vacuum pump oil Kunlun Tianzheng 46 # 68 # 100 # manufacturer directly supplies high-speed vacuum pump oil

Description :

vacuum pump oilCharacteristics of saturated vapor pressure

　　Saturated vapor pressure is one of the key indicators for pump oil. The pressure at which the vapor and liquid phases reach dynamic equilibrium in a constant temperature sealed container is called saturated vapor pressure. The saturated vapor pressure of the oil should be as low as possible, and at the working temperature of the pump, it should still have a sufficiently low saturated vapor pressure, which should be lower than the limit pressure specified by the vacuum pump rules. At a temperature of 60 ℃, it is necessary to reach at least 6.5 × 10-5 kPa (as the saturated vapor pressure decreases by approximately one order of magnitude for every 20 ℃ increase in temperature).

vacuum pump oilCharacteristics of cooling and cooling performance

　　Reducing the temperature of the friction surface is an important function of smoothness. When the friction surface moves, it is necessary to restrain the friction force and do work. All the work expended on restraining the friction force is converted into heat, which will cause the temperature of the friction surface to rise. The magnitude of frictional heat is related to the smooth state, with high viscosity heat and low viscosity heat being the smallest, while the heat generated by boundary friction is between the two. From this, it can be seen that using pump oil with appropriate viscosity can not only achieve liquid smoothness and reduce the generation of frictional heat, but also timely carry the frictional heat out of the pump body.

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