Booster Pump Selection Tips

Booster pump is designed based on the principle of centrifugal force. The impeller blades rotating at high speed drive the water and throws it out so as to achieve the purpose of conveying. It is mainly used for conveying clean liquid with low viscosity (e.g. clear water). It is suitable for industrial and urban water supply and drainage, high-rise building pressurized water supply, landscape irrigation, fire fighting pressurization, long-distance transportation, HVAC refrigeration cycle. Choosing the right booster pump can improve the production efficiency and extend the service life of the equipment. You may choose the right booster pump from the following aspects.

The Number of Impellers
  • Single-stage booster pump. There is only one impeller on the pump shaft. It has a maximum ambient temperature of +40 °C, a maximum working pressure of 16 bar and is suitable for conveying clear water that the temperature does not exceed 80 °C and liquids with physical and chemical properties similar to clear water.
  • Multistage booster pump. There are two or more impellers on the pump shaft. It has a maximum ambient temperature of +40 °C, a maximum working pressure of 30 bar and is suitable for conveying low viscosity, non-flammable, non-explosive and not easy to vaporize liquids without solid particles and fibers.
    • The Direction of the Impeller Main Shaft
  • Vertical booster pump. The pump shaft is placed vertically in the horizontal plane. The inlet and outlet are of the same size and are located on the same horizontal line. It adopts integral connection and is easy to install. It is difficult to conduct overhaul, for example, if your want to maintain the impeller, all the upper part shall be removed before maintenance.
  • Horizontal booster pump. The pump shaft is placed parallel to the horizontal plane; the inlet and outlet are in the same size but not on the same horizontal line; precision adjustment is required for installation. It is more complicated but easy to maintain.
    • The Flow and Head
  • Vertical single-stage booster pump LISG. It has a flow rate of 2.5–860 m3/h, a head of 5–125 m, a speed of 1480 r/min, and a power of 0.55–132 kW.
  • Horizontal single-stage booster pump LISW. It has a flow rate of 2.5–860 m3/h, a head of 5–125 m, a speed of 2950 r/min, and a power of 0.55–132 kW.
  • Vertical multistage booster pump LQDL/LQDLF/LQDLFD. It has a flow rate of 1.0–180 m3/h, a head of 7–268 m, a speed of 2950 r/min, and a power of 0.37–75 kW.
  • Horizontal multistage booster pump LQDWF/LQDWJ. It has a flow rate of 2.0–20 m3/h, a head of 7–60 m, a speed of 2950 r/min, and a power of 0.37–4 kW.
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