First, the performance parameters of the magnetic pump
Magnetic pump performance parameter range
Pump type | flow m ³ / h | Head m | temperature °C | Motor Power KW | Remarks |
Metal magnetic Force pump | 0.2~200 | 1.2~125 | -20~110 | ≤ 75 | Straight particles in the medium The diameter should be < 0.2mm |
Non-metal magnetic pump | 0 . 2~30 | 0 . 2~40 | <80 | ≤ 7.5 |  |
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Second, the selection steps
Based on the current status of domestic magnetic pump production and the development of magnetic materials and sliding bearings, in order to ensure the quality of the project, the following steps can be taken when selecting a magnetic pump.
1. For pumps with power less than 10KW , use a magnetic pump to ensure the effect.
2. When the shaft power of the pump is greater than 10KW or the medium temperature is higher than 100 °C, the domestic magnetic pump should be carefully handled when it is used. The material of the magnetic steel and the structure of the bearing material should be limited. If necessary, the shield pump should be used.
3. At present, domestic magnetic pump manufacturers are generally small and medium-sized factories, and the development and research methods are relatively weak. For pumps that exceed the product parameters, it is generally not advisable to entrust the production plant to develop or develop to ensure the quality and progress of the project. The main domestic magnetic pump manufacturers and their products are shown in Table 1-1.
4. The quality of the magnetic steel material is related to the life, reliability and price of the pump. The magnetic steel material, the supplier and its performance indicators should be specified when ordering. The material and life of the sliding bearing should also be clarified.
Manufacturing plant | model | Overcurrent Material | Main magnetic Steel material | flow m ³ / h | Head m | temperature °C | Motor Power KW | Remarks |
Yangtze River Pump Industry |  Type C |  metal | Samarium cobalt, NdFeB |  ≤200 |  ≤125 |  ≤110 |  ≤75 | Exceeding the list When parameters Specific agreement Business solution Line design |
Yangtze River Pump Industry |  CF type | metal | Ferrite, Rare earth cobalt | ≤120 | ≤125 | ≤80 | ≤75 | |
Yangtze River Pump Industry |  CQ , MA , Type CB | Enhanced poly Propylene | Ferrite | 0.2~12.5 | 1.2~32 | ≤80 | ≤2.2 | Currently mainly Production 10 Below KW Pump |
 metal | Ferrite Rare earth cobalt |  3.2~50 |  8~80 |  |  ≤37 | |||
Yangtze River Pump Industry | CQB type | metal | Ferrite Rare earth cobalt | 3.2~100 | 8~80 | ≤110 | ≤55 | Exceeding the list When parameters Specific agreement Business solution Line design |
Taicang, Jiangsu Magnetic drive Pump factory | IM CSB type | preservative metal Enhanced poly Trifluoroethylene |   Rare earth cobalt |   2~220 1~30 |   4~25 3~25 |   ≤110 ≤50 |   ≤55 ≤3 | |
Zhuzhou Plastic Second plant | Type CB | Glass fiber reinforced Polypropylene | Ferrite NdFeB |  ≤40 |  ≤35 |  0~80 | ≤7.5 |  |
Shenyang Worker Industry pump factory | CMPH | metal | Rare earth cobalt | 0.5~7.8 | 15~82 | ≤110  | ≤7.5 | Small flow Pump |
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