Gear pump selection: 1, so that the selected gear pump type and performance in line with the device flow, head, pressure, temperature, cavitation flow, suction stroke and other process parameters. 2, must meet the characteristics of the media requirements. Pumps that deliver flammable, explosive toxic or valuable media require dependable shaft seals or leak-free pumps such as gear pumps, magnetically driven pumps, diaphragm pumps, shielded pumps. Conveying medium for the pump, convection parts require corrosion-resistant materials, such as fluorine plastic corrosion-resistant pump, CQF engineering plastic magnetic drive pump. Pumps containing solid particulate media are required to have a wear-resistant material for the convection components and flush with a cleaning fluid if necessary. 3, high mechanical reliability, low noise, small vibration. 4, the economic should take into account the equipment costs, operating costs, maintenance costs and management fees the lowest total cost.
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