1. There is a certain space in the cavity of the self-priming plastic magnetic pump, and the magnetic pump shall be equipped with "static bearing". Therefore, it can not be applied in the system software with working pressure, nor can positive pressure and negative pressure work. 2. Because the cooling and moistening of magnetic drive pump bearing lies in the medium transported, the empty transfer is relatively terminated. In addition, it can prevent full load operation when restarting after power failure in the middle of work. 3. If the conveying medium includes solid particles, a filter should be added at the inlet of the pump; If magnetic particles are included, a magnetic filter should be added. 4. In operation, the working temperature of the pump should be lower than 40 ℃, and the temperature rise of the motor should not exceed 75 ℃. 5. The medium and temperature delivered by the diesel rotor pump manufacturer shall be within the scope of the pump raw material approval. 6. If the conveying liquid is easy to accumulate and crystallize, it should be cleaned immediately after application to discharge the liquid accumulated in the pump. 7. For the long-term operation of stainless steel plate magnetic pump, the bearing and inner hole moving ring should be removed and inspected for damage, and the spare parts that should not be reused for many times should be removed and replaced. The idling of the stainless steel plate magnetic pump is a common operation error in the operation process, which will cause the magnetic pump to ignite. Because the internal and external magnetic rotors in the swing rotor pump will cause a lot of heat in the high-speed operation process, it must be cooled by liquid. If there is no liquid into the pump shell. The pump will be damaged due to long-term high temperature, so the stainless steel plate magnetic pump can not idle.