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How can I choose a good fire pump?

Jun 25, 2023
Nowadays, more and more brands and models of fire pumps are emerging on the market, how to choose a good fire pump is a matter of concern for all customer services, do you know what characteristics a good fire pump should have? How should we choose a suitable fire pump? Today we will come together to talk about the selection of fire pump considerations.

  First, high efficiency, energy saving, low noise is the key, which directly affects the quality of the fire pump and the sense of use, of course, has been eliminated by the market products can no longer be considered.
  Second, not blindly selected, should consider the flow, head selection pump, can be calculated by the head H multiplied by 1.05 ~ 1.10 coefficient after the selection of pumps; should choose the characteristic curve for the pump with the flow increases its head gradually decline, so that the pump work stable, reliable when working in parallel; and the pump operation work point should be maintained in the high efficiency zone operation, to achieve both energy saving and not easy to damage the machine parts.
  Third, the choice of water tank, water tower lifting pump should be a ready, if you must use more than one parallel operation or the size of the pump with the way, the number of units and models should not be too many, generally should not exceed two, single-stage fresh water centrifugal pump head range should be similar; and to ensure that parallel operation of each pump should still be in the range of high efficiency.

  Fourth, the choice of multi-stage water pumping unit of the living pressurized water supply system, in order to protect the living water, should set up a backup pump, and the water supply capacity of the backup pump should be greater than the water supply capacity of the largest operating pump, the pump should automatically switch, alternate operation.

  Fifth, the voltage of the motor with the centrifugal pump should be the same, and the power supply system should be the same as the national grid power supply system. The voltage is different, which may cause the machine to heat up and damage the equipment.
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