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Selection of high viscosity gear pump conveying medium
When the gear pump delivers liquids with high viscosity or when the system is operating in a cold environment, it must be ensured that the transport medium will flow smoothly. Many oils contain waxy components that can crystallize easily at low temperatures. The pour point for the delivery medium should be below the expected minimum operating temperature. The transport medium is not only an intermediary for energy transfer but also a lubricant, seal and heat transfer medium. Gear pumps that deliver high-viscosity fluids should deliver the most flow at lower power consumption, less leakage, and greater pressure. The viscosity of the liquid reflects the ease with which the medium flows. Excessive viscosity increases internal friction, reduces output power, istes energy, and produces excessively high system temperatures.