1. So that the selected corrosion resistant chemical pump type and performance of the device in line with the flow, head, pressure, temperature, suction, suction process parameters such as the requirements
2. Must meet the requirements of the characteristics of the medium
For conveying inflammable, explosive or toxic medium expensive pump, shaft seal reliable or use no leakage of the pump, such as magnetic drive pump (no seal, the isolated magnetic indirect drive)
The pump for conveying corrosive medium requires that the convection component adopt the corrosion resistant material, such as the fluorine plastic corrosion resistant pump.
To transport containing solid particles of the medium pump for convection component wear-resistant materials used, if necessary, seal with the clean liquid flushing.
3. Mechanical requirements of high reliability, low noise, small vibration.
4. The correct calculation of the investment cost of corrosion resistant pump.
