Compared with other types of melt pumps, the high temperature gear pump has the advantages of compact structure, reliable operation, low energy consumption, high volumetric efficiency, small shear effect on the melt, stable flow at high viscosity and high pressure, and no outlet pressure fluctuation. The pump has its unique advantages and the key role in the process, making it play an irreplaceable role in polyester production. High-temperature gear pump polyester melt delivery, pressurization and melt measurement is essential equipment. However, improper use of the pump, poor management, not only failed to demonstrate its effectiveness, or even cause sudden damage to the pump.
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